WO2000046024A1 - Composite plastique transparent protege en surface - Google Patents
Composite plastique transparent protege en surface Download PDFInfo
- Publication number
- WO2000046024A1 WO2000046024A1 PCT/JP2000/000515 JP0000515W WO0046024A1 WO 2000046024 A1 WO2000046024 A1 WO 2000046024A1 JP 0000515 W JP0000515 W JP 0000515W WO 0046024 A1 WO0046024 A1 WO 0046024A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- parts
- resin
- transparent plastic
- component
- Prior art date
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 229940063559 methacrylic acid Drugs 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- TXIYCNRKHPXJMW-UHFFFAOYSA-N nickel;1-octyl-2-(2-octylphenyl)sulfanylbenzene Chemical compound [Ni].CCCCCCCCC1=CC=CC=C1SC1=CC=CC=C1CCCCCCCC TXIYCNRKHPXJMW-UHFFFAOYSA-N 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- QBDSZLJBMIMQRS-UHFFFAOYSA-N p-Cumylphenol Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=CC=C1 QBDSZLJBMIMQRS-UHFFFAOYSA-N 0.000 description 1
- NKTOLZVEWDHZMU-UHFFFAOYSA-N p-cumyl phenol Natural products CC1=CC=C(C)C(O)=C1 NKTOLZVEWDHZMU-UHFFFAOYSA-N 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 150000004023 quaternary phosphonium compounds Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 150000003902 salicylic acid esters Chemical class 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000006884 silylation reaction Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/056—Forming hydrophilic coatings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31507—Of polycarbonate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31667—Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
Definitions
- the present invention relates to a surface-protected transparent plastic composite. More specifically, the present invention relates to a transparent plastic composite in which a layer mainly composed of an acrylic resin and a cured layer of an organosiloxane resin are sequentially laminated on the surface of a transparent plastic base material, and the abrasion resistance and peel resistance are significantly improved.
- Plastic materials are used in a variety of applications, taking advantage of their features such as impact resistance, light weight, and workability.
- transparent plastics such as acrylic resin, polyacrylic acid-ponate resin, and styrene resin are widely used as substitutes for glass.
- acrylic resin polyacrylic acid-ponate resin
- styrene resin are widely used as substitutes for glass.
- these resins have drawbacks such as poor abrasion resistance, easy surface damage, and susceptibility to solvent attack.
- Automotive glazings are also exposed to various outdoor environments for long periods of time. Such applications require a high level of abrasion and weather resistance comparable to glass.
- a hard coating film obtained from a coating composition comprising a partial condensate of trihydroxysilane and colloidal silica, or a coating composition comprising a partial condensate of an alkyltrialkoxysilane and tetraalkoxysilane as a main component.
- Laminated resin on a transparent plastic substrate has a certain degree of excellent abrasion resistance, but the abrasion resistance is not sufficient especially for applications such as automotive window glass, and further improvement in abrasion resistance is required. It has been demanded.
- JP-A-63-27989 and JP-A-1-346746 are disclosed in Japanese Patent Application Laid-Open Nos. H06-27964 and H10-27, for coatings in which a condensate of an alkyltrialkoxysilane and a tetraalkoxysilane is added with a colloidal silica.
- a composition is described.
- these coating compositions have been developed mainly for the purpose of protecting the surface of inorganic substances such as natural marble and metal, and are required to form a protective layer with good adhesion on a plastic substrate. Not guaranteed.
- the composition ratio of colloidal silica, trialkoxysilane, and tetraalkoxysilane was determined from the viewpoint of forming a protective layer on the plastic. Due to insufficient studies, cracks occurred in the coating layer during heating and curing of the coating layer, and sufficient abrasion resistance was not obtained. In addition, during the initial heat curing, even if the composition has no cracks and sufficient abrasion resistance can be obtained, the curing reaction proceeds almost completely when it is heated or immersed in boiling water again. There is a problem that cracks occur in the coating layer due to the difference in thermal expansion coefficient between the plastic substrate and the coating layer, and further improvement is required from the viewpoint of application to plastic substrates. I have.
- the adhesive layer contains an ultraviolet absorber to improve weather resistance.
- the proposal was made Is coming. For example, Japanese Unexamined Patent Publication Nos. 6-8659 / 1986, 2-16048 / 1990, 2-161269 / 1991, 061-161 And Japanese Unexamined Patent Application Publication No. 5-2555552.
- UV absorber in the adhesive layer improves the weather resistance, but depending on the type of UV absorber, the UV absorber oozes out into the top layer coating liquid during top layer coating, Problems such as reduced abrasion resistance of the layer, bleed-out of the UV absorber added due to long-term outdoor exposure, peeling of the coating film, and yellowing of the polycarbonate resin molding Care must be taken in selecting an ultraviolet absorber because it may be a problem.
- a first object of the present invention is to provide a transparent plastic composite whose surface is protected by a cured film having a high level of abrasion resistance that has never been seen before.
- a second object of the present invention is to provide a transparent plastic composite that does not cause cracks in the cured coating layer and does not cause bleed-out of the ultraviolet absorber even under environmental conditions exposed outdoors. It is in.
- a third object of the present invention is to provide a transparent plastic composite in which the coating layer applied to the surface of the transparent plastic substrate during long-term use does not peel off and the transparent plastic substrate has very little yellowing or deterioration. To provide.
- Another object of the present invention is to provide a transparent plastic composite suitable for window glass, which is lightweight and does not lose its transparency over a long period of use, in transportation equipment, such as automobiles, trains and aircraft, for which weight reduction is required. Is to provide the body.
- the inventor of the present invention has conducted intensive studies in order to achieve the object of the present invention.
- an acrylic resin coating layer having a specific composition (first layer) and a surface of the coating layer are formed on the surface of the transparent plastic substrate.
- the composite which is formed by laminating a cured organosiloxane resin (second layer) having a specific composition, has an unprecedented level of surface properties with a high level of abrasion resistance.
- the present invention was found to be excellent in properties and extremely small in the amount of cracks generated, to maintain transparency even after long-term use, and to have little yellowing or deterioration with respect to ultraviolet rays. Means for solving the problem
- the resin component is an acrylic resin on the transparent plastic surface as the first layer, and the acrylic resin is represented by the following formula:
- R 1 is an alkyl group having 1 to 4 carbon atoms.
- a coating layer (I) formed from a resin composition which is an acryl resin containing at least 50 mol% of a repeating unit represented by the following formula (I) is laminated, and a second layer is formed on the first layer as the following a component, b component and c component
- R 2 is selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, a vinyl group, or a methacryloxy group, an amino group, a glycidoxy group, and a 3,4-epoxycyclohexyl group 1 Is an alkyl group having 1 to 3 carbon atoms, and R 3 is an alkyl group having 1 to 4 carbon atoms.
- R 4 is an alkyl group having 1 to 4 carbon atoms.
- An organosiloxane resin formed from the following: an organosiloxane resin having a component of 5 to 45% by weight, a component b of 50 to 80% by weight calculated as R 2 Si 3/2 , and a component c.
- thermosetting coating layer ([pi) is protected with laminated surface transparent plastic composite of the resin composition is 2 to 30 wt% as calculated as S I_ ⁇ 2 is provide.
- the transparent plastic composite of the present invention will be described in more detail.
- the transparent plastic composite of the present invention comprises a transparent plastic substrate, a coating layer (first layer) made of a specific acrylic resin composition formed on the surface thereof, and a coating layer (first layer) formed on the surface of the first layer. And a cured coating layer (second layer) made of the specific organosiloxane resin composition.
- the first layer and the second layer may be formed on one or both sides of the transparent plastic substrate.
- each of the transparent plastic substrate, the coating layer (first layer) and the cured coating layer (second layer) constituting the transparent plastic composite will be described in detail and in detail according to the order. .
- the transparent plastic substrate constituting the transparent plastic composite of the present invention is a transparent film, sheet or board-shaped plastic molded article.
- the term “transparent” refers to a plastic molded article having a haze value of 10% or less, preferably 8% or less.
- the transparent plastic substrate has a thickness of 0.001 to 10 mm, preferably 0.02 to 8 mm, and is particularly preferable when the plastic forming the transparent plastic substrate is an aromatic polyolefin resin. A material having a thickness of 0.1 to 8 mm is used. This thickness does not necessarily have to be uniform, and a slight change in thickness may be acceptable.
- the plastic forming the transparent plastic substrate may be a plastic having the above-mentioned transparency and shape, and specifically, (a) an aromatic polystyrene resin; (b) polymethyl resin Acrylic resin such as methacrylate; (c) Polyester resin such as polyethylene terephthalate, polybutylene terephthalate, poly (ethylene 1,2,6-naphthalate); (d) Polystyrene; (e) Polypropylene; (f) Poly Arylate, and (g) polyethersulfone. (A) Polycarbonate resin and (b) Acrylic resin such as polymethyl methacrylate are preferred because of their adhesiveness to the first layer and usefulness as a substrate having excellent abrasion resistance. Resins are preferred.
- the polycarbonate resin used is usually obtained by reacting a divalent phenol and a carbonate precursor by an interfacial polycondensation method or a melt polymerization method.
- divalent phenols used here include, for example, octa-idroquinone, resorcinol, 4,4'-dihydroxydiphenyl, bis (4-hydroxyphenyl) methane, bis ⁇ (4-hydroxy-1,3,5 —Dimethyl) phenyl ⁇ Methane, 1,1-bis (4-hydroxyphenyl) ethane, 1,1-bis (4-hydroxyphenyl) 1-1-phenylethane, 2,2-bis (4-hydroxyphenyl) Propane (commonly known as bisphenol A), 2,2-bis ⁇ (4-hydroxy-13-methyl) phenyl ⁇ propane, 2,2-bis ⁇ (4-hydroxy-3,5-dimethyl) phenyl ⁇ Propane, 2,2-bis ⁇ (3,5_dibromo-4-hydroxy) phenyl ⁇ propane, 2,2-bis ⁇ (3-isopropyl-14-hydroxy) phenyl ⁇ propane, 2,2-bis ⁇ (4-hydroxy- 3-phenyl)
- force-ponate precursor force-ponyl halide, carbonate ester or haloformate
- specific examples include phosgene, diphenyl carbonate, dihaloformate of divalent phenol and the like.
- poly-polyponate resin is a branched poly-carbon resin obtained by copolymerizing a polyfunctional aromatic compound having three or more functional groups, it is possible to copolymerize aromatic or aliphatic bi-functional carboxylic acid. It may be a polyester carbonate resin or a mixture of two or more of the obtained polycarbonate resins.
- the reaction by the interfacial polycondensation method is usually a reaction between divalent phenol and phosgene, and is carried out in the presence of an acid binder and an organic solvent.
- an acid binder for example, an alkali metal hydroxide such as sodium hydroxide or hydroxylating hydroxide or an amine compound such as pyridine is used.
- an organic solvent for example, hydrogen halides such as methylene chloride and chlorobenzene are used.
- tertiary amines such as triethylamine, tetra-n-butylammonium bromide, tetra-n-butylphosphonium bromide, quaternary ammonium compounds, quaternary phosphonium compounds, etc.
- a catalyst can also be used.
- the reaction temperature is usually 0 to 40 ° (:, the reaction time is preferably about 10 minutes to 5 hours, and the pH during the reaction is preferably maintained at 9 or more.
- a terminal stopper is usually used.
- Monofunctional phenols can be used as such a terminal stopper.
- Monofunctional phenols are commonly used as molecular terminators for molecular weight control, and the resulting polycarbonate resins are not blocked because the ends are blocked by groups based on monofunctional phenols. And excellent thermal stability.
- Such monofunctional phenol Examples of the phenol include phenol, p-tert-butylphenol, p-cumylphenol and isooctylphenol, and among them, p-tert-butylphenol is preferable.
- the reaction by the melt polymerization method is generally an ester exchange reaction between a divalent phenol and a carbonate ester.
- the dihydric phenol and the carbonate ester are mixed while heating in the presence of an inert gas to form an alcohol or alcohol. It is carried out by distilling phenol.
- the reaction temperature varies depending on the boiling point of the produced alcohol or phenol, but is usually in the range of 120 to 350 ° C.
- the pressure of the reaction system is reduced to about 1,300 Pa to 13 Pa (10 to 0.1 lTorr) to facilitate the distillation of the alcohol or phenol produced.
- the reaction time is usually about 1 to 4 hours.
- the obtained polycarbonate resin is obtained by dissolving 0.7 g of the polymer in 100 ml of methylene chloride and expressing the specific viscosity measured at 20 in the range of 0.25 to 0.6, preferably 0.3 to 0.55.
- the polycarbonate resin obtained by the above-mentioned production method can be used in a usual film or sheet production method, for example, a method of molding by a melt extrusion method using a T-die extruder to obtain a polycarbonate resin substrate having a desired thickness used in the present invention. Can be obtained.
- an MM layer (I) in which at least 50% by weight of a resin component is formed from a resin composition composed of acryl resin is laminated on the surface of the transparent plastic substrate.
- This coating layer (I) is interposed between the transparent plastic substrate and the thermosetting coating layer ( ⁇ ), and plays a role of firmly bonding the two.
- the acrylic resin which is the main component of the first coating layer (I) has the following formula (I-a)
- R 1 is an alkyl group having 1 to 4 carbon atoms.
- the acrylic resin preferably contains at least 60 mol%, more preferably at least 70 mol%, of the repeating units of the formula (Ia) in all the repeating units.
- the acrylic resin has a repeating unit of less than 50 mol% of the above formula (I-a)
- the adhesion between the transparent plastic substrate and the second layer of the thermosetting resin coating layer (H) Poor properties are not preferred.
- the acrylic resin is a polymer obtained by polymerizing 50 mol% or more of an alkyl methacrylate monomer and 50 mol% or less of a vinyl monomer.
- alkyl methacrylate monomer include methyl methacrylate, ethyl methacrylate, propyl methacrylate, and butyl methacrylate. These can be used alone or in combination of two or more. Of these, methyl methacrylate and ethyl methacrylate are preferred. Particularly, methyl methacrylate is excellent.
- acrylic acid, methacrylic acid or a derivative thereof is preferably used, particularly in terms of durability such as adhesion and weather resistance.
- an acrylic resin is preferably a thermosetting type. Therefore, it is preferable that the acrylic resin contains a vinyl monomer having a crosslinkable reactive group in an amount of from 0.1 mol% to less than 50 mol%.
- Vinyl monomers having such a cross-linkable reactive group include acrylic acid, methacrylic acid, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, and vinyl trimester. Examples include toxicoxysilane, 3-methylacryloxypropyl trimethoxysilane, 3-methacryloxypropyltriethoxysilane, and 3-methacryloxypropylmethyldimethoxysilane.
- the molecular weight of the acryl resin is preferably from 20,000 to 600,000, more preferably from 50,000 to 400,000 in terms of weight average molecular weight.
- the acryl resin having such a molecular weight range is preferable because the performance such as adhesion and strength as the first layer is sufficiently exhibited.
- the coating layer (I) laminated on the surface of the transparent plastic substrate is formed of a resin composition containing at least 50% by weight of the acryl resin.
- the content ratio of the acrylic resin in the resin composition is preferably at least 60% by weight.
- the acrylic resin forming the coating layer (I) laminated on the surface of the transparent plastic substrate may be a copolymer acrylic resin described later.
- This copolymer acrylic resin is a preferred embodiment as an acrylic resin for forming the coating layer (I).
- the copolymerized acrylic resin has the formula (I-a) and the following formula (I-b) and Z or (I-c)
- R 5 is an alkylene group having 2 to 5 carbon atoms
- R 6 is an alkyl group having 1 to 4 carbon atoms
- n is 0 or 1 Is an integer.
- the copolymer acrylic resin preferably has a unit ratio of (Ia): [(Ib) + (I-c)] in a molar ratio of 99: 1 to 60:40, and 97 : 3 to 70:30 is more preferable.
- Such a copolymerized acryl resin is obtained by copolymerizing an acrylate (or methacrylate) monomer having an alkoxysilyl group and an acrylate (or methacrylate) monomer having a Z or hydroxy group with the alkyl methacrylate monomer.
- Examples of the acrylate (or methacrylate) monomer having an alkoxysilyl group that gives the repeating unit represented by the above formula (I-b) include, specifically, 3-methylacryloxypropyltrimethoxysilane and 3-acryloxypropyl.
- Adhesion to the second organosiloxane resin thermosetting layer by using a copolymerized acryl resin obtained by copolymerizing an acrylate (or methacrylate) monomer having an alkoxysilyl group with an alkyl methacrylate monomer.
- a copolymerized acryl resin obtained by copolymerizing an acrylate (or methacrylate) monomer having an alkoxysilyl group with an alkyl methacrylate monomer.
- the transparency is further enhanced, the hot water resistance of the transparent plastic composite is further improved, and those copolymerized in the above proportion range are less likely to gel and have excellent storage stability. It is presumed that such a copolymer acryl resin has an alkoxysilyl group and is structurally similar to the second layer and has an affinity, so that the adhesion to the second layer is further enhanced.
- the acrylate (or methacrylate) monomer having a hydroxy group that gives a repeating unit represented by the above formula (I-c) specifically, 2-hydroxy Examples include shetyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, and 2-hydroxypropyl methacrylate. Among them, 2-hydroxyethyl methacrylate is preferably employed.
- Another preferred embodiment of the copolymerized acrylic resin will be described. Another embodiment is a resin obtained by further copolymerizing acrylate (or methacrylate) having an ultraviolet absorbent residue as the copolymerized acrylic resin.
- the copolymerized acrylic resin as another embodiment has the following formula (I-d)
- Z is a hydrogen atom or a methyl group
- R 1Q is an alkylene group having 2 to 5 carbon atoms
- W represents an ultraviolet absorbent residue.
- It is a copolymer acryl resin containing 0.3 to 40 mol% based on the total unit of [a] and [(I-b) + (I-c)].
- the acrylate (or methacrylate) unit having the ultraviolet absorbent residue represented by the formula (I-d) is a combination of the formula (I-a) and [(I-b) + (I-c)].
- the content is 0.3 to 40 mol%, preferably 0.5 to 30 mol%, per total unit.
- the term “ultraviolet absorber residue” means a derivative group having a function as an ultraviolet absorber, and in the above formula (Id), the acrylate (or methyl acrylate) group of acrylate (or methyl acrylate) via the group R 1D. And the group of the ultraviolet absorber ester-bonded.
- acrylate (or methacrylate) monomer having an ultraviolet absorbent residue that gives a repeating unit having the formula (I-d) include 2- (2′-hydroxy-5′-methacryloxyshethyl) Phenyl) benzotriazole, 2- (2'-hydroxy-5'-methacryloxyethoxyphenyl) benzotriazole, 2_ (2'-hydroxy-5'-methacryloxypropylphenyl) benzotriazole, 2- (2'- Hydroxy-5'-methacryloxypropoxyphenyl) 1-benzotriazole, 2_ (2'-hydroxy-5'-methacryloxy shetylphenyl) -5-chlorobenzotriazole, 2- (2'-hydroxy -3'-methyl chloroxyshethyl-5'-t-butylphenyl) benzotriazole, 2- (2'-hydroxy-3'-methacryloxyshethyl-5'-t-butylphenyl) _5 2-Hydroxy-41- (me
- a transparent plastic composite excellent in weather resistance can be obtained. Further, when an ultraviolet absorber is blended in the acrylic resin component of the coating film layer (I), the blending amount can be reduced. That is, when a large amount of an ultraviolet absorber is mixed in an acrylic resin, the ultraviolet absorber may bleed out, but the adverse effect can be reduced.
- the acrylic resin in the layer (I) of the present invention may contain a hydrolyzed condensate of alkoxysilane. That is, the coating layer (I) is composed of a mixture of the above-mentioned acryl resin and a hydrolysis-condensation product of an alkoxysilane represented by the following formula (I-e). Use is made of layers formed of mixtures ranging from 99: 1 to 60:40, preferably from 97: 3 to 70:30. This percentage is a hydrolysis-condensation product R 7 r- S i0 4 - shown in the amounts conversion calculated as r / 2.
- R 7 is at least one selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, a vinyl group, a methacryloxy group, an amino group, a glycidoxy group and a 3,4-epoxycyclohexyl group
- R 8 is an alkyl group having 1 to 4 carbon atoms
- r is an integer of 0 to 2.
- alkoxysilane represented by the formula (I-e) include, for example, tetramethoxysilane, tetraethoxysilane, tetra-n-propoxysilane, tetraisopropoxysilane, tetra-n-butoxysilane, tetraisobutoxysilane, Tyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, isobutyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethyltrimethoxysilane, aglycidoxypropyltrimethoxysilane, araminopropyltri Methoxysilane, aminopropyltriethoxysilane, N—) 3 (aminoethyl) aminopropyl acetate, N—] 3 (aminoethyl) aminopropyltriethoxysilane, di
- the hydrolysis-condensation product of the alkoxysilane is usually 0.2 to 4 equivalents, preferably 0.5 to 2 equivalents, more preferably 1 equivalent of the alkoxy group of the alkoxysilane of the formula (Ie) under acidic conditions.
- acids examples include inorganic acids such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, nitrous acid, perchloric acid, and sulfamic acid, or formic acid, acetic acid, propionic acid, butyric acid, and oxalic acid.
- organic acids such as succinic acid, maleic acid, lactic acid and p-toluenesulfonic acid, and volatile acids such as acetic acid and hydrochloric acid are preferred.
- the acid is usually used at a concentration of 0.001 to 2N, preferably at a concentration of 0.01 to 0.1N, and when an organic acid is used, an alkoxysilane is used. It is used in an amount of 0.1 to 50 parts by weight, preferably 1 to 30 parts by weight, based on 100 parts by weight.
- a catalyst is preferably further added for the purpose of accelerating the condensation reaction of the alkoxysilane hydrolyzed condensate.
- alkali metals such as lithium salt, sodium salt and potassium salt of aliphatic carboxylic acid such as formic acid, propionic acid, butyric acid, lactic acid, tartaric acid and succinic acid are used as catalysts.
- Quaternary ammonium salts such as genus salts, benzyltrimethylammonium salts, tetramethylammonium salts, tetraethylammonium salts, and the like, with sodium acetate, potassium acetate, and benzyltrimethylammonium acetate being preferred.
- the catalyst is preferably used in an amount of 0.5 to 10 parts by weight, more preferably 1 to 5 parts by weight, based on 100 parts by weight of the alkoxysilane hydrolyzed condensate.
- a melamine resin in the acrylic resin in the coating layer (I) of the present invention, can be further blended when the hydrolytic condensate of the formula (I_e) is mixed.
- the melamine resin By blending the melamine resin, physical properties such as adhesion between the transparent plastic substrate and the cured coating layer ( ⁇ ) can be improved.
- Examples of the melamine resin to be blended include, for example, a completely alkyl methyl imimeramine represented by hexamethoxymethyl melamine, a resin in which a part of the methoxymethyl group of hexamethoxymethyl melamine has become a methylol group, an imino group, Butoxymethyl groups or fully alkylated butylated melamines represented by hexsuboxymethylmelamine, etc., specifically, Cymel 300 and Cymel 300 manufactured by Mitsui Cytec Co., Ltd. 1, Cymer 303, Cymer 350, Cymer 370, Cymer 771, Cymer 325, Cymer 712, Cymer 202, Cymer 207, Cymer 212, etc. .
- fully alkylated methylated melamine represented by hexamethoxymethylated melamine is preferably used.
- a resin include Cymel 300 (average degree of polymerization 1.35, methoxymethyl group ratio of 95% or more) manufactured by Mitsui Cytec Co., Ltd., Cymer 301 (average degree of polymerization 1 5, methoxymethyl group ratio 90% or more), Cymel 303 (average degree of polymerization 1.7, methoxymethyl group ratio 90% or more), Cymer 350 (average degree of polymerization 1.6, methoxy) The ratio of methyl groups is 85% or more). These melamine resins are used alone or in combination.
- the melamine resin is preferably further added with an acid catalyst S in order to promote the stiffening of the melamine resin.
- acid catalysts include inorganic acids such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, nitrous acid, perchloric acid, sulfamic acid, maleic acid, formic acid, acetic acid, propionic acid, butyric acid, oxalic acid, succinic acid, lactic acid, Organic acids such as benzenesulfonic acid and paratoluenesulfonic acid are used, and are preferred.
- a non-volatile acid having a sufficient acidity such as maleic acid, benzenesulfonic acid, or paratoluenesulfonic acid is used.
- Such an acid catalyst is used in an amount of preferably 0.5 to 10 parts by weight, more preferably 1 to 5 parts by weight, based on 100 parts by weight of the melamine resin.
- the preferred amount of the melamine resin is 1 to 20 parts by weight, preferably 3 to 15 parts by weight, based on 100 parts by weight of the acryl resin and the hydrolyzed condensate of the compound represented by the above formula (Ie). Parts are more preferred.
- the coating layer (I) can maintain good adhesion to the transparent plastic substrate and the cured layer ( ⁇ ).
- the acrylic resin in the coating layer (I) of the present invention may contain a light stabilizer and an ultraviolet absorber for stabilizing the transparent plastic base, particularly for stabilizing light.
- a light stabilizer and an ultraviolet absorber for stabilizing the transparent plastic base particularly for stabilizing light.
- These may be those which are usually used as light stabilizers and ultraviolet absorbers for plastics, and particularly those which do not lose the transparency of the transparent plastic substrate.
- Examples of the light stabilizer include bis (2,2,6,6-tetramethyl-4-piperidyl) carbonate, bis (2,2,6,6-tetramethyl_4-piperidyl) succinate, bis ( 2,2,6,6-tetramethyl-4-piperidyl) sebacate, 4-benzoyloxy-1,2,2,6,6-tetramethylpiperidine, 4-octanoyloxy-1,2,2,6,6 —Tetramethylpiperidine, bis (2,2,6,6-tetramethyl—4-piperidyl) diphenylmethane— p, ⁇ ′ dicarbamate, bis (2,2,6,6-tetramethyl-1-piperidyl) benzene— Hindamines such as 1,3-disulfonate, bis (2,2,6,6-tetramethyl-14-piberidyl) phenylphosphite, nickel bis (octylphenyl) sulfide, nickel complex—3,5- The t_
- These light stabilizers may be used alone or in combination of two or more, and preferably 0.1 to 50 parts by weight, more preferably 0.5 to 50 parts by weight, based on 100 parts by weight of the acrylic resin of the coating layer (I). Used up to 10 parts by weight.
- the ultraviolet absorber include, for example, 2,4-dihydroxybenzophene. 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-14-octoxybenzophenone, 4-benzyloxy-2-hydroxybenzophenone, and 4-d.
- Benzophenones such as tesiloxy-1-hydroxybenzophenone, 2-2'-dihydroxy-1,4'-dimethoxybenzophenone, bis (5-benzoyl-14-hydroxy-12-methoxyphenyl) methane, etc., 2- (2'-hydroxy-5'-methylphenyl) benzotriazole, 2- (2'-hydroxy-5'-t-octylphenyl) benzotriazole, 2- (3'-t-butyl-5 '-Methyl 2' -hydroxyphenyl) benzotriazole, 2- (3 ', 5' -di-t-butyl-2 '-hydroxyphenyl) ben Zotriazole, 2— (3 ′, 5′-z-t-pentyl-2′-hydroxyphenyl) benzotriazole, 2—
- the ultraviolet absorber those which do not dissolve in a mixed solvent having a specific composition at a certain ratio or more are preferable.
- the cured coating layer (H) is not eluted in the cured coating layer ( ⁇ ) when the coating liquid for the cured coating layer ( ⁇ ) is applied, and thus the cured coating layer (H) is used.
- an ultraviolet absorber having a solubility of 1.5 gZL or less measured at 25 ° C in a mixed solvent consisting of 100 parts by weight of isopropanol, 30 parts by weight of methanol, and 15 parts by weight of water is used. It can be used favorably.
- UV absorbers include benzophenones such as 4-benzyloxy-2-hydroxybenzophenone, bis (5-benzoyl-4-hydroxy-12-methoxyphenyl) methane, and 2- (2′-hydroxy).
- benzophenones such as 4-benzyloxy-2-hydroxybenzophenone, bis (5-benzoyl-4-hydroxy-12-methoxyphenyl) methane, and 2- (2′-hydroxy).
- One 5'-t-octiphenyl) benzotriazole 2- (3'-t-butyl-5'-methyl-2'-hydroxyphenyl) benzotriazole, 2- (3 ', 5'-t-butyl- 2'-Hydroxyphenyl) benzotriazole, 2- (3 ', 5'-di-t-pentyl-2'-hydroxyphenyl) benzotriazol, 2- (3'-t-butyl-5'- Methyl-2'-hydroxyphenyl) mono 5-benzobenzotriazo, 2- (3 ',
- a particularly preferred ultraviolet absorber is 2- (3'-t-butyl-5'-methyl-1-2'-hydroxyphenyl).
- the above-mentioned various ultraviolet absorbents are used in an amount of 0.7 to 100 parts by weight, preferably 3 to 60 parts by weight, more preferably 5 to 100 parts by weight, based on 100 parts by weight of the acrylic resin of the coating layer (I). 550 parts by weight.
- a copolymerized acrylic resin having an ultraviolet absorbent residue represented by the above formula (Id) is used as the acrylic resin, the sum of the weight of the unit of the formula (Id) and the weight of the ultraviolet absorbent is used. Is included in the above range.
- the ultraviolet absorber when the amount of the ultraviolet absorber is represented in the present specification, the ultraviolet absorber includes a repeating unit of the above formula (Id) as a copolymerized acrylic resin in addition to the added ultraviolet absorber.
- the amount is calculated as including the amount of the UV absorber residue of formula (I_d) (that is, the total amount of W).
- the method of forming the first coating layer (I) on the surface of the transparent plastic substrate is generally a method of dissolving the acrylic resin in an appropriate solvent, coating the acrylic resin, and removing the solvent.
- the acrylic resin component including the copolymer acrylic resin and other resin compounds
- a transparent plastic as a base material together with a light stabilizer and Z or an ultraviolet absorber, if necessary.
- the transparent plastic is dissolved in a volatile solvent that does not dissolve or not, and the coating composition is prepared and applied to the surface of the transparent plastic substrate, and then the solvent is removed by heating or the like. . If necessary, after removing the solvent, it is preferable to further heat at 40 to 140 to crosslink the crosslinkable group.
- Examples of such a solvent include ketones such as acetone, methylethyl ketone, methyl isobutyl ketone, and cyclohexanone; ethers such as tetrahydrofuran, 1,4-dioxane, and 1,2-dimethoxyethane; ethyl acetate and ethoxyxyl acetate; Esters: methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 2-ethoxyethanol, 4-methyl-2-pentanol, 2 —Alcohols such as butoxyethanol; hydrocarbons such as n-hexane, n-heptane, isooctane, benzene, toluene, xylene, gasoline, light oil, and kerosene; acetonitrile, nitromethane, and water; They may be used alone or as
- the above coating composition is applied to a plastic substrate by a bar coating method, A method such as a precoat method, a flow coat method, a spray coat method, a spin coat method, a mouth-coat method and the like can be appropriately selected according to the size and shape of the substrate to be coated.
- the substrate to which the coating composition is applied is usually dried and removed at a temperature from room temperature to a temperature not higher than the heat distortion temperature of the substrate, and, if necessary, after removing the solvent, at 40 to 140 ° C. To form a transparent plastic substrate on which the coating layer (I) is laminated as the first layer.
- the thickness of the first coating layer (I) is a film necessary for sufficiently bonding the transparent plastic substrate and the second layer and maintaining the necessary amounts of the various additives. It is sufficient if it is thick, preferably from 0.1 to 10 m, more preferably from 1 to 5 m.
- the adhesion between the two layers and the transparent plastic substrate is improved, and a transparent plastic composite having excellent wear resistance and weather resistance can be obtained.
- thermosetting coating layer ( ⁇ ) made of an organosiloxane resin having a specific composition is further provided on the surface of the coating layer (I) laminated on the transparent plastic substrate surface. They are stacked as layers.
- This second layer consists of the following components a, b and c
- R 2 is one or more selected from the group consisting of alkyl groups having 1 to 4 carbon atoms, vinyl groups, methacryloxy groups, amino groups, glycidoxy groups, and 3,4-epoxycyclohexyl groups
- R 3 is an alkyl group having 1 to 4 carbon atoms.
- R 4 is an alkyl group having 1 to 4 carbon atoms.
- Shall apply in a more formed organosiloxane resin, said organosiloxane resin, a component is 5 to 45 wt%, b components R 2 S i 0 converted to 50-80 by weight%, and c components as 3/2
- There is a heat cured coating layer of the resin composition is 2 to 30 wt% as calculated as S i 0 2 ( ⁇ ).
- the second layer is preferably made of the above-mentioned (A) colloidal silica (component a), (B) a hydrolysis condensate of trialkoxysilane (component b) and (C) a hydrolysis condensate of tetraalkoxysilane (component c). It is formed using a coating composition comprising an organosiloxane resin solid content, an acid, a hard catalyst and a solvent. Next, each of the components a, b, and c will be described.
- colloidal silica As the colloidal silica as the component a, silica fine particles having a diameter of 5 to 200 nm, preferably 5 to 40 nm are dispersed in water or an organic solvent in a colloidal state.
- the colloidal silica can be used in either a water dispersion type or an organic solvent dispersion type, but it is preferable to use a water dispersion type.
- Specific examples of such colloidal silica include Snowtex II manufactured by Nissan Chemical Industry Co., Ltd. as a product dispersed in an acidic aqueous solution, and Nissan Chemical Industry Co., Ltd. as a product dispersed in a basic aqueous solution.
- the hydrolysis-condensation product of the trialkoxysilane as the component b is obtained by subjecting the trialkoxysilane of the formula ( ⁇ -1) to a hydrolysis-condensation reaction.
- trialkoxysilanes include methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, isobutyltrimethoxysilane, vinyltrimethoxysilane, vinyldriethoxysilane, methacryloxypropyltrimethoxysilane, i3_ (3,4-epoxycyclohexyl) ethyltrimethoxysilane, glycidoxypropyltrimethoxysilane, ⁇ aminopropyl trimethoxysilane, aminopropyltriethoxysilane, N-j3 (amino Ethyl) aminopropyltrimethoxysilane, N— / 3 (amido Noethyl) aminopropyltriethoxysilane and the like, which can be used alone or in combination.
- a coating composition that forms a coat layer having particularly excellent wear resistance it is preferable that at least 0% by weight of all trialkoxysilanes be methyltrialkoxysilane, More preferably, it is methyltrialkoxysilane.
- a small amount of the above-mentioned trialkoxysilanes other than methyltrialkoxysilane can also be added for the purpose of improving the adhesiveness and expressing functions such as hydrophilicity and water repellency.
- the hydrolysis-condensation product of the tetraalkoxysilane as the component (c) is obtained by subjecting the tetraalkoxysilane of the formula (2-2) to a hydrolysis-condensation reaction.
- tetraalkoxysilanes include, for example, tetramethoxysilane, tetraethoxysilane, tetra-n-propoxysilane, tetraisopropoxysilane, tetra-n-butoxysilane, tetraisobutoxysilane, and the like, preferably tetramethoxysilane. , Tetraethoxysilane. These tetraalkoxysilanes can be used alone or in combination.
- the component (b) and the component (c) are a mixture of a product obtained by partially or wholly hydrolyzing the alkoxysilane and a condensate obtained by subjecting a part or all of the hydrolyzate to a condensation reaction. Is obtained by
- the solid content of the organosiloxane resin composed of the components a to c can be prepared through the process consisting of the following (1) and (2), and the cured layer which has no precipitation and is more excellent in abrasion resistance ( ⁇ ) Is preferably adopted.
- Trialkoxysilane of the above formula (III-1) is subjected to a hydrolysis-condensation reaction under acidic conditions in a colloidal silica dispersion.
- the water required for the hydrolysis reaction of the trialkoxysilane is supplied from a water-dispersed colloidal silicic force dispersion when a water-dispersed colloidal dispersion is used, and further water may be added if necessary. At that time, 1 to 10 equivalents, preferably 1.5 to 7 equivalents, more preferably 3 to 5 equivalents of water are used per 1 equivalent of the trialkoxysilane.
- the hydrolysis-condensation reaction of trialkoxysilane must be performed under acidic conditions, and an acid is generally used as a hydrolyzing agent to perform hydrolysis under powerful conditions. Such an acid may be added in advance to the trialkoxysilane or colloidal silica dispersion, or may be added after mixing both.
- the addition of the acid can be divided into one time or two or more times.
- strong acids include inorganic acids such as hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, nitrous acid, perchloric acid, and sulfamic acid or formic acid, acetic acid, propionic acid, butyric acid, oxalic acid, succinic acid, maleic acid, lactic acid, and paralic acid.
- Organic acids such as toluenesulfonate, and organic carboxylic acids such as formic acid, acetic acid, propionic acid, butyric acid, oxalic acid, succinic acid, and maleic acid are preferred from the viewpoint of easy control of pH. Is particularly preferred.
- an inorganic acid When used as the acid, it is usually used at a concentration of 0.001 to 2N, preferably at a concentration of 0.01 to 0.1N, and when an organic acid is used, trialkoxysilane is used. It is used in the range of 0.1 to 50 parts by weight, preferably 1 to 30 parts by weight based on 0 parts by weight.
- the conditions for the hydrolysis and condensation reaction of trialkoxysilane vary depending on the type of trialkoxysilane used and the type and amount of colloidal silica coexisting in the reaction system. Is 20 to 40 ° (: the reaction time is 1 hour to several days.
- Process (2) U) The tetraalkoxysilane of the above formula ( ⁇ -2) is added to the reaction solution obtained by the reaction of the process (1) to cause a hydrolysis and condensation reaction, or (ii) the process (1) of the process (1).
- the reaction solution obtained by the reaction is mixed with a reaction solution in which the tetraalkoxysilane of the above formula ( ⁇ -2) has been subjected to a hydrolytic condensation reaction.
- the acid is an inorganic acid
- it is used at a concentration of 0.001 to 2N, preferably 0.001 to 0.1N
- an organic acid is used, it is used in an amount of 100 parts by weight of tetraalkoxysilane. It is used in the range of 0.1 to 50 parts by weight, preferably 1 to 30 parts by weight.
- the water required for the hydrolysis reaction is usually 1 to 100 equivalents, preferably 2 to 50 equivalents, and more preferably 4 to 30 equivalents to 1 equivalent of tetraalkoxysilane.
- the conditions for the hydrolysis and condensation reaction of the tetraalkoxysilane vary depending on the type of tetraalkoxysilane used and the type and amount of colloidal silica coexisting in the reaction system. 0 to 40 ° (: The reaction time is 10 minutes to several days.
- the reaction solution obtained by the reaction of the process (1) may be mixed with a reaction solution in which the tetraalkoxysilane of the formula ( ⁇ -2) has been subjected to a hydrolysis-condensation reaction.
- a hydrolysis-condensation reaction is usually performed under acidic conditions with respect to 1 equivalent of tetraalkoxysilane:!
- the reaction is carried out by reacting with 1 to 100 equivalents, preferably 2 to 50 equivalents, more preferably 4 to 20 equivalents, at 20 to 40 for 1 hour to several days.
- An acid is used in the hydrolysis-condensation reaction, and examples of the acid include the same as the above-mentioned acids, and volatile acids such as acetic acid and hydrochloric acid are preferable.
- the acid is usually used at a concentration of 0.001 to 2N, preferably at a concentration of 0.01 to 0.1N, and when an organic acid is used, tetraalkoxysilane 1 is used. It is used in an amount of 0.1 to 50 parts by weight, preferably 1 to 30 parts by weight, based on 100 parts by weight.
- the mixing ratio of each of the components a to c depends on the stability of the coating composition solution, the transparency of the obtained cured film, abrasion resistance, abrasion resistance, adhesion, and cracking. determined in terms of the presence or absence of occurrence, preferably a component 1 5-3 5 wt%, b components in terms of R 2 S I_ ⁇ 3/2 5 5-7 5 wt%, c component S in terms of i 0 2 used 3-2 0% by weight.
- the coating composition used for the second layer usually further contains a curing catalyst.
- a curing catalyst examples include alkali metal salts such as lithium, sodium, and potassium salts of aliphatic carboxylic acids such as formic acid, propionic acid, butyric acid, lactic acid, tartaric acid, and succinic acid; benzyltrimethylammonium salt; and tetramethylammonium.
- quaternary ammonium salts such as salts and tetraethylammonium salts.
- sodium acetate, potassium acetate and benzyltrimethylammonium acetate are preferably used.
- a curing catalyst is already contained in the coating composition. You will be.
- the desirable content varies depending on the curing conditions, but the curing catalyst is preferably 0.01 to 10 parts by weight based on 100 parts by weight of the solid content of the organosiloxane resin composed of the components a to c. Preferably it is 0.1 to 5 parts by weight.
- the solvent used in the second layer coating composition it is necessary that the solid content of the organosiloxane resin is stably dissolved.
- at least 20% by weight or more, preferably 50% by weight or more is used.
- the above is alcohol.
- Such alcohols include, for example, methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 2-ethoxyethanol, 4-methyl-2 _ Pentanol, 2-butoxyethanol and the like, and a low-boiling alcohol having 1 to 4 carbon atoms is preferable, and 2-propanol is particularly preferable in terms of solubility, stability and coating properties.
- the organic solvent of the dispersion medium and the acid added for adjusting the pH of the coating composition are also included.
- Acids used for pH adjustment include hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, nitrous acid, perchloric acid, sulfamic acid, etc., or formic acid, acetic acid, propionic acid, butyric acid, oxalic acid, succinic acid And organic acids such as maleic acid, lactic acid, and paratoluenesulfonic acid.
- organic carboxylic acids such as formic acid, acetic acid, propionic acid, butyric acid, oxalic acid, succinic acid, and maleic acid are preferable from the viewpoint of easy control of pH.
- Z alcohol for example, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone; ethers such as tetrahydrofuran, 1,4-dioxane, 1,2-dimethoxyethane; and acetic acid Esters such as ethyl and ethoxyxyl acetate.
- the solvent is preferably 50 to 900 parts by weight, more preferably 150 to 700 parts by weight, based on 100 parts by weight of the solid content of the organosiloxane resin composed of the components a to c.
- the coating composition for the second layer is desirably adjusted to have a pH of 3.0 to 6.0, preferably 4.0 to 5.5 by adjusting the contents of the acid and the curing catalyst. New As a result, gelling of the coating composition at ordinary temperature can be prevented, and storage stability can be increased.
- the coating composition usually becomes a stable composition after further aging for several hours to several days.
- the coating composition for the second layer is coated on the first layer formed on the transparent plastic substrate, and cured by heating to form the second layer.
- a bar coating method, a dip coating method, a flow coating method, a spray coating method, a spin coating method, a roller coating method, or the like is appropriately selected according to the size and shape of the substrate to be coated. can do.
- the substrate coated with such a composition is usually cured by drying and removing the solvent at a temperature from room temperature to a temperature equal to or lower than the thermal deformation temperature of the substrate, followed by heating and curing. It is preferable to perform the heat curing at a high temperature within a range in which there is no problem with the heat resistance of the substrate because the curing can be completed more quickly.
- thermosetting does not proceed, and a cured film cannot be obtained. This means that the solid content of the organosiloxane resin in the coating composition is partially condensed. Such hard In the course of the formation, the remaining Si-OH causes a condensation reaction to form Si-Si bonds, resulting in a coat layer having excellent wear resistance.
- the thermosetting is preferably carried out in the range of 50 ° C to 200 ° C for 10 minutes to 4 hours, more preferably 80 ° C: in the range of up to 160 ° C for 20 minutes to 3 hours, especially plastics forming transparent plastic substrates. Is preferably an aromatic polycarbonate resin, which is preferably cured by heating at a temperature of 100T: 140 ° C for 30 minutes to 2 hours.
- the thickness of the second layer is usually 2 to 10 m, preferably 3 to 8 m. If the thickness of the cured coating layer ( ⁇ ) is within the range, cracks may occur in the cured coating layer ( ⁇ ) due to the stress generated during heat curing, or the cured coating layer (H) may be in contact with the substrate.
- a known leveling agent may be added to the coating compositions of the first and second layers of the present invention for the purpose of improving coatability and smoothness of the obtained coating film. it can.
- the compounding amount is preferably in the range of 0.01 to 2 parts by weight based on 100 parts by weight of the coating composition. Dyes, pigments, fillers, and the like may be added as long as the object of the present invention is not impaired.
- the transparent plastic substrate is composed of an aromatic polycarbonate resin, and the following layers (A) to (D) and the cured coating layer (I)
- the composite obtained by laminating the combination of ⁇ ) is most preferable because it has excellent physical properties.
- the coating layer (I) has the following formula ( ⁇ —a) and the formula (I-b)
- X, R 5 and R 6 have the same definition as the above formula (I-b)), and comprise a repeating unit represented by the following formula (I-a): It is formed from a resin composition containing 3 to 60 parts by weight of an ultraviolet absorber with respect to 100 parts by weight of a copolymerized acrylic resin having a range of 97: 3 to 70: 30, wherein the ultraviolet absorber is The solubility measured at 25 ° C in a mixed solvent consisting of 100 parts by weight of propanol, 30 parts by weight of methanol and 15 parts by weight of water is less than 1.5 gZL,
- coating film layer ([pi) is, a component is 15 to 35 wt%, 55 to 75 wt% and component c b component is calculated as R 2 S i0 3/2 is calculated as S i 0 2
- a transparent plastic composite which is a thermosetting layer of the resin composition in an amount of 3 to 20% by weight.
- the coating layer (I) has the following formula (I-a), formula (I-b) and formula (I-b)
- R 1 has the same definition as the above formula (I-a).
- coating film layer ([pi) is, a component is 15 to 35 wt%, b components is calculated as R 2 S i 0 3/2 55 ⁇ 75 wt% and c component as the S i 0 2
- a transparent plastic composite which is a thermosetting layer of a resin composition in a conversion of 3 to 20% by weight.
- the coating film layer (I) has the following formula (I_a) and formula (I—c) — ⁇ CH 2 — (Ia)
- R 1 has the same definition as in the above formula (I-a).
- R 7 , R 8 and r have the same definition as in the above formula (I-e)).
- a UV absorber formed from a resin composition containing 3 to 60 parts by weight per 100 parts by weight of the copolymerized acrylic resin.
- the absorbent has a solubility of 1.5 gZL or less measured at 25 ° C in a mixed solvent consisting of 100 parts by weight of isopropanol, 30 parts by weight of methanol and 15 parts by weight of water, and (2) In the coating layer ( ⁇ ), the component a is 15 to 35% by weight, the component b is 55 to 75% by weight calculated as R 2 Si 3/2 , and the component c is Si 2 A transparent plastic composite, which is a thermosetting layer of a resin composition in a conversion of 3 to 20% by weight.
- the coating layer (I) has the following formula (I_a), formula (I-c) and formula (I- D ) CH 3
- R 1 has the same definition as the above formula (I-a).
- An amount of 3 to 15 parts by weight per 100 parts by weight of the decomposition condensate and an ultraviolet absorber are formed from a resin composition containing 3 to 60 parts by weight per 100 parts by weight of the copolymerized acryl resin.
- the UV absorber was measured at 25 ° C for a mixed solvent consisting of 100 parts by weight of isopropanol, 30 parts by weight of methanol and 15 parts by weight of water. Solubility is less than 1.5 gZL, and
- the coating layer ( ⁇ ) has a component of 15 to 35% by weight, a component b of 55 to 75% by weight calculated as R 2 Si 3/2 , and a component c of S i 0 2
- a transparent plastic composite which is a thermosetting layer of a resin composition in an amount of 3 to 20% by weight as calculated as:
- the thus obtained transparent plastic composite having a protected surface comprises a first layer mainly composed of an acrylic resin layer, colloidal silica, a trialkoxysilane hydrolyzed condensate and a tetraalkoxysilane hydrolyzed condensate.
- a second layer formed by heat-curing an organopolysiloxane resin By having a second layer formed by heat-curing an organopolysiloxane resin, a composite having a high level of abrasion resistance that has never been achieved before can be obtained.
- the transparent plastic composite of the present invention has a thickness in the range of 0.001 to 10 mm, preferably in the range of 0.02 to 8 mm. In the case of a single resin, it is practically preferable that the thickness be in the range of 0.1 to 8 mm. Further, in the transparent plastic composite of the present invention, no cracks are generated under high-temperature and high-humidity conditions, and substantially no cracks are generated on the surface of the composite after holding in boiling water for 3 hours.
- Such transparent plastic composites are used in aircraft, vehicles, automotive windows, construction machinery windows, buildings, houses, garages, greenhouses, arcade windows, headlight lenses, optical lenses, mirrors, glasses, goggles, sound barriers. It can be suitably used for lenses for signal lights, curved mirrors, windshields, nameplates, and other various sheets and films.
- the transparent plastic composite obtained by the present invention was subjected to a Taber abrasion test (ASTM D 1044) using a CS-1OF wear wheel manufactured by Ca1ibrase Co., Ltd. under a load of 500 g and 1,000 rotations.
- the change in haze value before and after the test is 2% or less.
- the composite is satisfactory, and such a composite is suitably used as a window glass especially for an automobile or an aircraft.
- the obtained transparent polycarbonate resin composite was evaluated by the following method. Parts and% in the examples mean parts by weight and% by weight.
- Boiling water resistance The appearance and adhesion of the coat layer after immersing the test piece in boiling water for 3 hours were evaluated.
- the test piece was measured using a sunshine weather meter—WE L—SUN—HCH—B manufactured by Suga Test Machine Co., Ltd. (black panel temperature: 63 ° C., raining conditions for 18 minutes out of 120 minutes) After 1,000 hours of exposure test, the test piece was taken out, and its appearance, adhesion, and yellowness change ( ⁇ I) before and after the test were evaluated. (Yellowness (YI) was measured using a spectroscopic colorimeter SE-2000 manufactured by Nippon Denshoku Co., Ltd.)
- MMA methyl methacrylate
- MEBT 2- (2'-hydroxy-5'-methacryloxyshethylphenyl) benzotriazole
- MPTMS 3-methacryloxypropyl trimethoxysilane
- the resulting reaction solution was added to n-hexane for reprecipitation purification, and the composition ratio of M MA / MEBT / M PTMS was 65 Z 25 no 10 by weight (85/10/5 by mole). 86 parts of a copolymerized acrylic resin (hereinafter abbreviated as AC-1) was obtained. The weight average molecular weight of the copolymer was 90,000.
- silane hydrolysis condensate solution (Y) 20 parts of silane hydrolysis condensate solution (Y) and curing catalyst
- Organosiloxane resin solutions (-2) to (i_5) having the respective compositions were prepared in the same manner as in Reference Example 40.
- Table 3 shows their compositions.
- Cymel 303 hexamethoxymethylated melamine resin manufactured by Mitsui Cytec
- p-toluenesulfonic acid as a conversion catalyst
- UV-1 acrylic resin solution
- UV-1 2- (2'-hydroxy-5'-t octylphenyl) benzotriazole
- Acrylic resin solution (h_2) 98 parts and 2_ (2'-hydroxy-3'-t-butyl-5'-methylphenyl) -1-chlorobenzototriazole (hereinafter referred to as UV-2) 2
- UV-2 2'-hydroxy-3'-t-butyl-5'-methylphenyl -1-chlorobenzototriazole
- Acrylic resin solution (h-3) 84.3 parts, siloxane resin solution (i-2) 12 parts, melamine resin compound (j-1) 1.7 parts and 2- (2'-hydroxy-3'1 t 2 parts of 1-butyl-5′-methylphenyl) -5-chlorobenzototriazole (hereinafter referred to as UV-3) were mixed and dissolved to obtain 100 parts of a first layer coating liquid (I-3).
- Water-dispersed colloidal silica dispersion (Sonotex 30 (hereinafter abbreviated as S-30) manufactured by Nissan Chemical Industries, Ltd .; solid content concentration 30% by weight) 100 parts of distilled water 2 parts and acetic acid 20 parts are added and stirred. Then, 130 parts of methyltrimethoxysilane was added to the dispersion under cooling in an ice water bath. This mixture was stirred at 25 ° C for 1 hour, and 30 parts of tetrahydrosilane hydrolyzed condensate solution (Y) and 2 parts of sodium acetate as a curing catalyst were mixed at room temperature with the reaction solution obtained at room temperature, and isopropanol was added. It was diluted with 200 parts to obtain 484 parts of the second layer coating liquid (II-1). The pH of the coating solution was 5.0.
- Sonotex 30 (hereinafter abbreviated as S-30) manufactured by Nissan Chemical Industries, Ltd .; solid content concentration 30% by weight) 100 parts of distilled water 2 parts and
- acetic acid 20 parts was added to 100 parts of the water-dispersed colloidal silicic acid dispersion (S-30), and the mixture was stirred, and 122 parts of methyltrimethoxysilane was added to the dispersion while cooling in an ice water bath.
- This mixture was stirred at 25 ° C for 1 hour, and 50 parts of a tetraethoxysilane hydrolyzed condensate solution (Y) and 1 part of acetic acid realm as a curing catalyst were mixed under ice-cooling.
- the solution was diluted with 408 parts of isopropanol to obtain a second layer coating solution (II-12).
- the pH of the coating solution was 4.7.
- a first layer coating liquid (I-11) is applied on a transparent 0.5 mm thick sheet made of poly-carbonate resin (hereinafter abbreviated as PC resin) using a wire bar (bar coating method). After leaving still at 25 ° C for 20 minutes, it was thermally cured at 120 ° C for 20 minutes. The thickness of the first layer was 2.0 / m. Then, the second layer coating solution ( ⁇ -1) was applied to the surface of the coating film of the sheet with a shaver, left at 25 for 20 minutes, and thermally cured at 120 for 1 hour. The thickness of the second layer was 5. Table 7 shows the evaluation results of the obtained PC resin composites.
- Example 3 shows the evaluation results of the obtained PC resin composites.
- Example 3 shows the first layer coating liquid (I-2) with a nozzle from the top of the sheet, and let stand at 2 '5 ° C for 20 minutes. Heat cured at 120 ° C for 30 minutes. The thickness of the first layer was 3. O ⁇ m.
- the second layer coating liquid ( ⁇ -2) is applied on the surface of the sheet in the same manner as the coating of the first layer, allowed to stand at 25 ° C for 20 minutes, and then left at 120 ° C for 2 minutes. Heat cured for hours. The thickness of the second layer was 3.5 / m. Table 7 shows the evaluation results of the obtained PC resin composites.
- Example 3 shows the evaluation results of the obtained PC resin composites.
- the first layer coating liquid (I-13) immerse a clear 0.5 mm thick PC resin sheet in the coating liquid, and pull up the PC resin sheet at a constant speed. After leaving still at 25 ° C for 30 minutes, it was thermally cured at 120 ° C for 40 minutes. The thickness of the first layer was 4.0 m.
- the coating liquid for the second layer ( ⁇ -3) is applied on the coating surface of the sheet in the same manner as for the coating of the first layer, allowed to stand at 25 ° C for 20 minutes, and then heated at 110 ° C for 2 hours. I made it hard. The thickness of the second layer was 6. Oim. Table 7 shows the evaluation results of the obtained PC resin composite.
- Comparative Example 1 100 100 Good 100 100 Kaihisa 100 50 21.3 Comparative Example 2 100 100 Good 100 100 Mia Koi 100 20 16.5 Comparative Example 3 100 100 Kuhook Yellowing 100 0 18.4 Comparative Example 4
- UV-1 2- (2'-Hydroxy-5'-t-octylphenyl) benzotriazole
- UV-3 2- (2'-hydroxy-3 ', 5'-di-t-butylphenyl)-
- MEBT 2- (2'-hydroxy-5'-methacryloxyshetylphenyl) benzotriazole
- MI BK 4-Methyl-1-2-Penyu Non
- NBu 4 OH tetrabutylammonium hydroxide
- p—TS A p-toluenesulfonic acid
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20000902017 EP1164005B1 (en) | 1999-02-01 | 2000-01-31 | Surface-protected transparent plastic composite |
US09/890,326 US6846567B1 (en) | 1999-02-01 | 2000-01-31 | Surface-protected transparent plastic composite |
DE60039590T DE60039590D1 (de) | 1999-02-01 | 2000-01-31 | Transparentes kunststofflaminat mit geschützter oberfläche |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11024079A JP2000219845A (ja) | 1999-02-01 | 1999-02-01 | 表面を保護された透明プラスチック成形体 |
JP11/24079 | 1999-02-01 | ||
JP11/129942 | 1999-05-11 | ||
JP11129942A JP2000318106A (ja) | 1999-05-11 | 1999-05-11 | 表面を保護された透明ポリカーボネート樹脂成形体 |
Publications (1)
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WO2000046024A1 true WO2000046024A1 (fr) | 2000-08-10 |
Family
ID=26361568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2000/000515 WO2000046024A1 (fr) | 1999-02-01 | 2000-01-31 | Composite plastique transparent protege en surface |
Country Status (4)
Country | Link |
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US (1) | US6846567B1 (ja) |
EP (1) | EP1164005B1 (ja) |
DE (1) | DE60039590D1 (ja) |
WO (1) | WO2000046024A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7560164B2 (en) * | 2004-04-30 | 2009-07-14 | Shin-Etsu Chemical Co., Ltd. | Silicone coating compositions and coated articles |
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US8322775B1 (en) | 2002-05-10 | 2012-12-04 | Vtol, Llc | Transparent laminated structure having peel-away film layers for use on aircraft windscreens |
WO2005008300A1 (ja) * | 2003-07-18 | 2005-01-27 | Idemitsu Kosan Co., Ltd. | 光反射シート、その製造方法及びその成形品 |
CN100347224C (zh) * | 2004-12-09 | 2007-11-07 | 同济大学 | 单组分高硬度有机硅玻璃树脂的制备方法 |
US20060182984A1 (en) * | 2005-02-17 | 2006-08-17 | Abele Wolfgang P | Protected polycarbonate films having thermal and UV radiation stability, and method of making |
US7163446B1 (en) | 2005-06-20 | 2007-01-16 | John Ray Cole | Vehicle headlight restoration |
CN101365587B (zh) | 2006-03-10 | 2012-04-04 | 帝人化成株式会社 | 层叠体 |
US20070236809A1 (en) * | 2006-04-05 | 2007-10-11 | Barret Lippey | Forming spectral filters |
CN101438425B (zh) * | 2006-05-02 | 2011-04-27 | 皇家飞利浦电子股份有限公司 | 颜色稳定的磷光体转换led |
US7718227B2 (en) * | 2006-08-16 | 2010-05-18 | The Boeing Company | Flexible thermal control coatings and methods for fabricating the same |
US7857905B2 (en) * | 2007-03-05 | 2010-12-28 | Momentive Performance Materials Inc. | Flexible thermal cure silicone hardcoats |
US20080259617A1 (en) * | 2007-04-19 | 2008-10-23 | Wayne M. Torcivia | Transportation system and method or methods for the restoration,re-manufacturing and re-conditioning or any combination thereof,of a vehicle headlight fixture or headlight fixture lens or any combination thereof |
JP5280664B2 (ja) * | 2007-10-25 | 2013-09-04 | 株式会社 資生堂 | 表面改質方法及び表面改質材料 |
EP2463316B1 (en) * | 2009-08-04 | 2016-06-08 | Idemitsu Kosan Co., Ltd. | Acrylate composition |
CN103068935B (zh) | 2010-08-27 | 2016-05-11 | 3M创新有限公司 | 保护性涂料组合物 |
US9427778B2 (en) | 2010-10-20 | 2016-08-30 | Search Automotive Technologies, Llc | Headlight restoration kit |
US8691915B2 (en) | 2012-04-23 | 2014-04-08 | Sabic Innovative Plastics Ip B.V. | Copolymers and polymer blends having improved refractive indices |
JPWO2016027884A1 (ja) * | 2014-08-22 | 2017-07-20 | ナガセケムテックス株式会社 | 耐溶媒性樹脂容器 |
JP2016210670A (ja) * | 2015-05-11 | 2016-12-15 | 株式会社九州ハイテック | メンテナンスフリー型石材タイル及びそのコーティング剤並びにそのタイルの製造方法 |
CN109715700A (zh) | 2016-09-22 | 2019-05-03 | 科思创德国股份有限公司 | 具有较低厚度的透明模塑件 |
CN118834599A (zh) * | 2024-07-23 | 2024-10-25 | 瑞鑫集团有限公司 | 一种线缆桥架用vci双金属复合涂料和vci双金属复合涂层 |
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- 2000-01-31 US US09/890,326 patent/US6846567B1/en not_active Expired - Fee Related
- 2000-01-31 WO PCT/JP2000/000515 patent/WO2000046024A1/ja active IP Right Grant
- 2000-01-31 EP EP20000902017 patent/EP1164005B1/en not_active Expired - Lifetime
- 2000-01-31 DE DE60039590T patent/DE60039590D1/de not_active Expired - Lifetime
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JPS59109528A (ja) * | 1982-12-16 | 1984-06-25 | Sumitomo Chem Co Ltd | 被覆ポリカ−ボネ−ト系樹脂成形物品 |
JPH05287095A (ja) * | 1992-04-09 | 1993-11-02 | Daicel Chem Ind Ltd | プラスチック成形体および表面処理方法 |
US5385955A (en) * | 1992-11-05 | 1995-01-31 | Essilor Of America, Inc. | Organosilane coating composition for ophthalmic lens |
JPH0911405A (ja) * | 1995-06-28 | 1997-01-14 | Teijin Ltd | 表面を保護されたプラスチック成形体及びその製造方法 |
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US7560164B2 (en) * | 2004-04-30 | 2009-07-14 | Shin-Etsu Chemical Co., Ltd. | Silicone coating compositions and coated articles |
Also Published As
Publication number | Publication date |
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EP1164005A4 (en) | 2003-05-21 |
DE60039590D1 (de) | 2008-09-04 |
EP1164005B1 (en) | 2008-07-23 |
EP1164005A1 (en) | 2001-12-19 |
US6846567B1 (en) | 2005-01-25 |
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