US20040260018A1 - Thermal barrier composition - Google Patents
Thermal barrier composition Download PDFInfo
- Publication number
- US20040260018A1 US20040260018A1 US10/814,213 US81421304A US2004260018A1 US 20040260018 A1 US20040260018 A1 US 20040260018A1 US 81421304 A US81421304 A US 81421304A US 2004260018 A1 US2004260018 A1 US 2004260018A1
- Authority
- US
- United States
- Prior art keywords
- titanium
- tin
- siloxane
- thermal barrier
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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- 239000000203 mixture Substances 0.000 title claims abstract description 31
- 230000004888 barrier function Effects 0.000 title claims abstract description 12
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 11
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 10
- 239000004005 microsphere Substances 0.000 claims abstract description 10
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 claims abstract description 10
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000077 silane Inorganic materials 0.000 claims abstract description 6
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical group CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 32
- -1 polydiethoxysiloxane Polymers 0.000 claims description 25
- 239000010936 titanium Substances 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 18
- 229910052719 titanium Inorganic materials 0.000 claims description 17
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 15
- KVIKMJYUMZPZFU-UHFFFAOYSA-N propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)O KVIKMJYUMZPZFU-UHFFFAOYSA-N 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000012974 tin catalyst Substances 0.000 claims description 6
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 5
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 claims description 5
- UJMZZAZBRIPOHZ-UHFFFAOYSA-N 2-ethylhexan-1-ol;titanium Chemical compound [Ti].CCCCC(CC)CO UJMZZAZBRIPOHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 4
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 claims description 4
- FGPCETMNRYMFJR-UHFFFAOYSA-L [7,7-dimethyloctanoyloxy(dimethyl)stannyl] 7,7-dimethyloctanoate Chemical compound CC(C)(C)CCCCCC(=O)O[Sn](C)(C)OC(=O)CCCCCC(C)(C)C FGPCETMNRYMFJR-UHFFFAOYSA-L 0.000 claims description 4
- XQBCVRSTVUHIGH-UHFFFAOYSA-L [dodecanoyloxy(dioctyl)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCCCCCC)(CCCCCCCC)OC(=O)CCCCCCCCCCC XQBCVRSTVUHIGH-UHFFFAOYSA-L 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- 239000000440 bentonite Substances 0.000 claims description 4
- 229910000278 bentonite Inorganic materials 0.000 claims description 4
- 235000012216 bentonite Nutrition 0.000 claims description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 4
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 4
- HMNBEAWAEJQTRZ-UHFFFAOYSA-M butoxy-dibutyl-chlorostannane Chemical compound CCCCO[Sn](Cl)(CCCC)CCCC HMNBEAWAEJQTRZ-UHFFFAOYSA-M 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229910021485 fumed silica Inorganic materials 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000013980 iron oxide Nutrition 0.000 claims description 4
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- ZEIWWVGGEOHESL-UHFFFAOYSA-N methanol;titanium Chemical compound [Ti].OC.OC.OC.OC ZEIWWVGGEOHESL-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 4
- 229910052623 talc Inorganic materials 0.000 claims description 4
- 235000012222 talc Nutrition 0.000 claims description 4
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 235000014692 zinc oxide Nutrition 0.000 claims description 4
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 125000005372 silanol group Chemical group 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- POVQBCXZUZAICL-UHFFFAOYSA-N methoxy trimethyl silicate Chemical compound [Si](OC)(OC)(OC)OOC POVQBCXZUZAICL-UHFFFAOYSA-N 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical class [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 2
- 239000012720 thermal barrier coating Substances 0.000 claims 7
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims 2
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 23
- 239000011248 coating agent Substances 0.000 description 21
- 238000000576 coating method Methods 0.000 description 21
- 239000008199 coating composition Substances 0.000 description 17
- 239000004205 dimethyl polysiloxane Substances 0.000 description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000009472 formulation Methods 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000004756 silanes Chemical class 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000734 polysilsesquioxane polymer Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/18—Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
-
- 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
Definitions
- the present invention relates to a thermal barrier composition for use on a variety of substrates that are exposed to high temperatures.
- substrates include pipelines, engine parts including jet engine components, water conduits including tubes in power plants, reactor vessels and exhaust manifolds.
- Substrates can be subjected to high temperatures causing fatigue, cracking, distortion and the like of the substrate.
- components of a jet engine or the surrounding parts of the jet can be exposed to temperatures in excess of 1800° F. In such a situation, it is readily apparent that fatiguing or cracking can lead to catastrophic failure.
- piping used in various manufacturing facilities can be subjected to temperatures in excess of 400° F. caused by the liquid or gas passing through the pipe. In such an application, it is preferred that the coating not only provide a thermal barrier but also provide anti-corrosion properties.
- the thermal barrier composition of the present invention comprises a glassy matrix comprising an alkoxy-functionalized siloxane and a functionally-terminated silane or siloxane, polymethylsilsesquioxane dissolved in a crosslinking agent, and optionally a filler and/or hollow glass microspheres.
- the glass matrix provides good adhesion to the surface being coated, as well as, toughness, crack resistance, durability, abrasion resistance, heat resistance and stability in the particular environment.
- the thermal barrier compositions comprises a glassy matrix comprising an alkoxy- functionalized siloxane and a functionally-terminated silane or siloxane, polymethylsilsesquioxane dissolved in a crosslinking agent, and optionally a filler and/or hollow glass microspheres.
- the thermal barrier composition of the present invention can be coated onto a wide variety of substrates including steel, stainless steel, titanium, aluminum, magnesium and zinc. The coating can withstand continuous use temperatures of 1800° F. or higher. Moreover, the composition is resistant to corrosive agents such as nitrogen and sulfur compounds.
- Suitable alkoxy-functionalized siloxanes include polydiethoxysiloxane, tetraethoxysiloxane, tetramethoxysiloxane, and polydimethoxysiloxane.
- a preferred alkoxy-functionalized siloxane is polydiethoxysilane.
- Suitable functionally-terminated silanes or siloxanes include silanol-terminated, vinyl-terminated and amino-terminated silanes or siloxanes such as epoxy-functionalized polydimethylsiloxane, aminopropyltriethoxy silane and silanol-termainated siloxane.
- the glassy matrix is crosslinked using a titanium or tin catalyst.
- Suitable catalysts include titanium alkoxides such as titanium methoxide, titanium ethoxide, titanium isopropoxide, titanium propoxide, titanium butoxide, titanium diisopropoxide (bis 2,4-pentanedionate), titanium diisopropoxide bis(ethylacetoacetao) titanium ethylhexoxide, and organic tin compounds such as dibutyl tin diacetate, dibutyltin laurate, dimethyl tin dineodecanoate, dioctyl dilauryl tin, and dibutyl butoxy chlorotin, as well as mixtures thereof.
- the glassy matrix can be formed by using a Sol-Gel process such as described in U.S. Pat. No. 6,313,193, the disclosure of which is incorporated herein by reference in its entirety. Other methods of forming the matrix will be within the skill of one in the art.
- the polymethylsilsesquioxane (“POSS”) is dissolved in a crosslinking agent preferably titanium isopropoxide.
- a crosslinking agent preferably titanium isopropoxide.
- titanium propoxide By dissolving in titanium propoxide, up to about 40 percent of the POSS can be dissolved as compared to about 10 percent or less solubility in solvents.
- the glassy matrix and the polymethylsilsesquioxane are crosslinked or catalyzed separately so as to avoid premature gelation of the product prior to use.
- the thermal barrier composition may also optionally include fillers such as, without limitation, glass fibers, fumed silica, mica, kaolin, bentonite, talc, zinc oxides, iron oxides and pigments or other fillers, as will be readily apparent to those skilled in the art.
- the composition may also include hollow glass microspheres to provide additional heat resistance.
- hollow glass microspheres Preferably, thin-walled glass microspheres are used. Typically the volume percent of glass microspheres is from about 30 percent to about 80 percent. If the higher amount is used, it is preferable to include milled glass fibers to improve durability.
- Anti-corrosion agents such as zinc phosphates and zinc salts can also be added.
- the thermal barrier composition of the present invention can be applied to a substrate by roll-coating, brush, spray coating dipping and the like. It is preferred that the user mix the catalyst with the other components right before or substantially contemporaneously with application to form an interpenetrating polymer network of glass and silicone on the surface of the substrate. Inasmuch as crosslinking occurs via a moisture condensation reaction between ethoxy and hydroxyl groups, the condensation inherently present on the substrate and/or in the atmosphere can be used advantageously.
- the first step is to dissolve the polymethysilsesquioxane (POSS) into the titanium isopropoxide (TIPO). This is accomplished by mixing the POSS into the titanium isopropoxide and heating at 100° C. for 24 hours.
- POSS polymethysilsesquioxane
- TIPO titanium isopropoxide
- the second step is to terminate the silanol groups on the ends of the polydimethylsiloxane. This is accomplished by mixing the silanol terminated polydimethylsiloxane with the titanium diisopropoxide (bis-2,4-pentanedionate) and allowing the mixture to crosslink for 1 hour. If this step is not performed, the silanol groups on the polymer will instantly react with the titanium isopropoxide and the system will gel in a matter of seconds.
- the third step is to add the remaining components to the POSS/TIPO (A component) keeping the titanium diisopropoxide (bis-2,4-pentanedionate)/polydimethylsiloxane mixture out as the B component in an A/B system.
- Formulation wt % Component 24.07 Polysilsesquioxane dissolved in titanium isopropoxide and 20% polydiethoxysiloxane 5.42 Epoxy-functionalized polydimethylsiloxane 0.61 Aminopropyltriethoxy silane 16.05 Milled glass fiber 10.57 Hollow glass microspheres 1.20 Dibutyl tin dilaurate 40.12 Isopropyl alcohol 1.78 Titanium dioxide 0.18 Carbon Black
- Example 2 The formulation was manufactured using the same steps as Example 1 except that the POSS did not have to be pre-reacted with the TIPO.
- the formulation of Example 2 was used in various tests as described below and in Table 1.
- Demonstrate coating will create 200° F. 1000° F. Temperature measured at temperature delta. TBC-Ti interface. Durability Perform in-house tests tailored to the a. Simulate 200-lb person standing ASTM High probability that coating will operational environment during Phase I, on a coasted plate and pivoting. D5420-98a have sufficient durability. to determine feasibility. b. Drop tool on coated plate form ASTM 4-feet. D968-93 c. Perform simple abrasion resistance test using falling sand method. Repairability Intentionally damage coated Ti coupons None Repair tests demonstrated that (hammer, scrape). Repair the coupon coating was restored to like-new and assess the quality of the repair by condition. knife adhesion tests and visual inspection. Vibration Use AFRL table vibration that will AFRL AFRL Results indicate high probability provide 160 dB noise and 900° F. that coating will withstand Quartz lamp. vibration environment.
- a series of durability tests were performed on the coating composition of Example 2. These tests were designed to simulate real-world events that will test the durability of the coating.
- the three specific tests performed on the coating composition of Example 2 included: two tool drop tests, a falling sand test, and a 200 lb, 90° pivot test.
- the first tool drop test consisted of dropping a 106 gram wrench from a height of 48 inches onto a panel coated with the coating composition of Example 2. This test which was repeated multiple times resulted in a dent of about 5 mm ⁇ 5 mm.
- the second tool drop test consisted of dropping a 783 gram hammer from the same 48 inch height. The tool drop resulted in a dent of about 15 mm ⁇ 25 mm.
- the falling sand test consisted of dropping 1 gallon of sand from a height of 1.5 feet in a concentrated stream onto the surface of a steel panel coasted with the coating composition of Example 2 mounted 45° to the falling sand.
- Example 2 As a results of this test, the impact zone was abraded in a region about 10 mm ⁇ 16 mm ⁇ 0.5 mm.
- the coating composition of Example 2 demonstrated good abrasion resistance.
- the third durability test consisted of a 200 lb person standing on a plate coated with the coating composition of Example 2 with all weight on one foot. Then the person pivoted 90°. No damage resulted to the coating composition of Example 2. The test demonstrates the coating composition of Example 2 can be walked on (e.g., a plane wing) with no damage.
- a titanium plate with a 2.5 mm build of the coating composition of Example 2 was prepared.
- a 3 mm wide channel was cut into the coating from the center of the plate to the edge, and a thermocouple was positioned in the channel such that it would be in contact with the titanium plate.
- the coating composition of Example 2 was applied over the thermocouple to fill the channel and seal the thermocouple at the interface of the coating composition of Example 2 and the titanium plate, producing a sample with the thermocouple counted at the interface of the coating composition of Example 2 and the titanium.
- Total coating thickness was approximately 3.0 mm.
- the plate was placed onto a steel block and was heated to a temperature of 1057° F. by a burner on the turkey fryer.
- the sample was placed with the coating composition of Example 2 directly in contact with the hot steel block, and allowed to equilibrate for 78 minutes to allow for steady state heat flow.
- Example 2-titanium interface The temperature measurement at the coating composition of Example 2-titanium interface was found to be 720° F. with the hot steel measuring 1057° F.: a temperature delta of 337° F. across the coating composition of Example 2 for a coating that is 3.0 mm thick.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/814,213 US20040260018A1 (en) | 2003-04-10 | 2004-03-31 | Thermal barrier composition |
US10/960,666 US7163750B2 (en) | 2003-04-10 | 2004-10-07 | Thermal barrier composition |
US11/324,687 US7687150B2 (en) | 2003-04-10 | 2006-01-03 | Thermal barrier composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US46180003P | 2003-04-10 | 2003-04-10 | |
US10/814,213 US20040260018A1 (en) | 2003-04-10 | 2004-03-31 | Thermal barrier composition |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/960,666 Continuation-In-Part US7163750B2 (en) | 2003-04-10 | 2004-10-07 | Thermal barrier composition |
US11/324,687 Continuation US7687150B2 (en) | 2003-04-10 | 2006-01-03 | Thermal barrier composition |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040260018A1 true US20040260018A1 (en) | 2004-12-23 |
Family
ID=33299863
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/814,213 Abandoned US20040260018A1 (en) | 2003-04-10 | 2004-03-31 | Thermal barrier composition |
US11/324,687 Expired - Fee Related US7687150B2 (en) | 2003-04-10 | 2006-01-03 | Thermal barrier composition |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US11/324,687 Expired - Fee Related US7687150B2 (en) | 2003-04-10 | 2006-01-03 | Thermal barrier composition |
Country Status (3)
Country | Link |
---|---|
US (2) | US20040260018A1 (fr) |
EP (1) | EP1611264A4 (fr) |
WO (1) | WO2004092437A2 (fr) |
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EP2207838A4 (fr) * | 2007-10-22 | 2011-11-16 | Flexible Ceramics Inc | Mélange de résines céramiques flexibles résistant au feu et produits composites formés à partir de celui-ci |
US8186265B2 (en) | 2005-08-08 | 2012-05-29 | Ron's Enterprises, Inc. | Device to efficiently cook food |
US8707857B2 (en) | 2005-08-08 | 2014-04-29 | Ronald M. Popeil | Cooking device to deep fat fry foods |
US20180049590A1 (en) * | 2016-04-29 | 2018-02-22 | Alan Backus | Devices and methods for supporting and preparing foods |
CN109705726A (zh) * | 2018-12-14 | 2019-05-03 | 华东理工大学 | 低密度有机硅防隔热一体化涂层及其制备方法 |
JP2019119804A (ja) * | 2018-01-05 | 2019-07-22 | スリーエム イノベイティブ プロパティズ カンパニー | 硬化性組成物及び光学部材 |
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US9006355B1 (en) | 2013-10-04 | 2015-04-14 | Burning Bush Group, Llc | High performance silicon-based compositions |
JP2018028630A (ja) | 2016-08-19 | 2018-02-22 | アーゼッド・エレクトロニック・マテリアルズ(ルクセンブルグ)ソシエテ・ア・レスポンサビリテ・リミテ | ブラックマトリックス用組成物、およびそれを用いたブラックマトリックスの製造方法 |
EP3581679B1 (fr) | 2018-06-01 | 2021-02-17 | Rolls-Royce North American Technologies, Inc. | Réparation de système de revêtement à base de suspension |
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- 2004-04-05 EP EP04749782A patent/EP1611264A4/fr not_active Withdrawn
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8186265B2 (en) | 2005-08-08 | 2012-05-29 | Ron's Enterprises, Inc. | Device to efficiently cook food |
US8707857B2 (en) | 2005-08-08 | 2014-04-29 | Ronald M. Popeil | Cooking device to deep fat fry foods |
EP2207838A4 (fr) * | 2007-10-22 | 2011-11-16 | Flexible Ceramics Inc | Mélange de résines céramiques flexibles résistant au feu et produits composites formés à partir de celui-ci |
US20180049590A1 (en) * | 2016-04-29 | 2018-02-22 | Alan Backus | Devices and methods for supporting and preparing foods |
JP2019119804A (ja) * | 2018-01-05 | 2019-07-22 | スリーエム イノベイティブ プロパティズ カンパニー | 硬化性組成物及び光学部材 |
CN109705726A (zh) * | 2018-12-14 | 2019-05-03 | 华东理工大学 | 低密度有机硅防隔热一体化涂层及其制备方法 |
CN114702893A (zh) * | 2022-04-25 | 2022-07-05 | 郑州圣莱特空心微珠新材料有限公司 | 一种聚氨酯底涂剂及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2004092437A2 (fr) | 2004-10-28 |
EP1611264A4 (fr) | 2008-02-27 |
WO2004092437A3 (fr) | 2005-06-02 |
EP1611264A2 (fr) | 2006-01-04 |
US7687150B2 (en) | 2010-03-30 |
US20060110612A1 (en) | 2006-05-25 |
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