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WO2000030849A1 - Structure a multiples couches - Google Patents

Structure a multiples couches Download PDF

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Publication number
WO2000030849A1
WO2000030849A1 PCT/GB1999/003499 GB9903499W WO0030849A1 WO 2000030849 A1 WO2000030849 A1 WO 2000030849A1 GB 9903499 W GB9903499 W GB 9903499W WO 0030849 A1 WO0030849 A1 WO 0030849A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
layered structure
composition
adhesive composition
group
Prior art date
Application number
PCT/GB1999/003499
Other languages
English (en)
Inventor
James Graham Bonner
Alan Gray
Original Assignee
Bp Chemicals Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bp Chemicals Limited filed Critical Bp Chemicals Limited
Publication of WO2000030849A1 publication Critical patent/WO2000030849A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/288—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyketones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F287/00—Macromolecular compounds obtained by polymerising monomers on to block polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/003—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/006—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to block copolymers containing at least one sequence of polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/16—EPDM, i.e. ethylene propylene diene monomer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2325/00—Polymers of vinyl-aromatic compounds, e.g. polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/24—Graft or block copolymers according to groups C08L51/00, C08L53/00 or C08L55/02; Derivatives thereof

Definitions

  • the present invention relates to multi-layered structures comprising at least one layer of an adhesive composition and at least one layer of a polyketone composition.
  • polyketones are defined as linear polymers having an alternating structure of (a) units derived from carbon monoxide and (b) units derived from one or more olefinically unsaturated compounds.
  • polyketones correspond to this idealised structure, it is envisaged that materials corresponding to this structure in the main but containing small regimes
  • US Patent 2081723 discloses a modified polyolefin adhesive blend comprising (A) a graft copolymer of a polyethylene back-bone grafted with at least one polymerisable ethylenically unsaturated carboxylic acid or carboxylic acid anhydride and (B) a blending resin mixture comprising a linear low density polyethylene and polypropylene.
  • the patent states that the adhesive blends can be used to join polypropylene to a number of polar materials or to join two polar materials together.
  • WO 9509212 relates to a polyolefin-containing adhesive blend suitable for bonding polyolefins, in particular, polyethylene or polypropylene to polyketones which blend has good adhesion to polyolefins while maintaining good adhesion to the polyketone.
  • the polyolefin-containing adhesive blend is said to comprise:
  • (C) a polyolefin having a density of less than 930kgm '3 wherein the graft copolymer (A) has been reacted with a compound (D) which has at least two primary or secondary amino groups at least one of which is a primary amino group, the sum of (A), (B) and (C) being 100 parts by weight.
  • compositions can successfully bind both polyolefins and polystyrene to polyketones.
  • the present invention provides a multi-layer structure which comprises a first layer and a second layer, the first layer comprising a polyolefin composition or a polystyrene composition and the second layer comprising a polyketone composition, the first and second layers being bonded together with an intermediate layer of an adhesive composition which comprises a graft copolymer having a styrenic polymer backbone grafted with at least one polymerisable ethylenically unsaturated carboxylic acid or derivative thereof.
  • the styrenic polymer used as the backbone of the graft copolymer can be a styrenic block copolymer.
  • the term "styrenic block copolymer” is used to indicate a polymer characterised by at least one block of units derived from one or more vinyl aromatic hydrocarbons (A block) and at least one block of units derived from one or more olefms other than a vinyl aromatic hydrocarbon (B block).
  • the vinyl aromatic hydrocarbon useful as the precursor of A blocks has a vinyl group attached directly to an aromatic ring
  • Preferred vinyl aromatic compounds are styrene and substituted styrenes
  • Illustrative substituted styrenes include ⁇ -methyl styrene, ⁇ -ethylstyrene, p- methylstyrene, m-methylstyrene, p-ethylstyrene, m-isopropylstyrene, divinyl benzene, ⁇ ,4-dimethylstyrene, chlorostyrene and vinyl benzene chloride
  • Olefins useful as precursors of the B blocks include ethylene, propylene, butylene, and dienes (e.g isoprene, butadiene, 2,3-dimethylbutadiene, 1,3-octadiene, 1,3-pentadiene and norbornene)
  • the adhesive composition may comprise a mixture of two or more of the graft copolymers
  • Methods for preparing graft copolymers are well known and any suitable method can be used to prepare the graft copolymer of the styrenic polymer and the polymerisable ethylenically unsaturated carboxylic acid or derivative thereof.
  • One such suitable method comprises blending together the styrenic polymer and the polymerisable ethylenically unsaturated carboxylic acid or derivative thereof in the presence of a free radical initiator, such as an organic peroxide or hydroperoxide, at a temperature which is above the melting point of the styrenic polymer and which provides a suitable half-life of the free radical initiator.
  • a free radical initiator such as an organic peroxide or hydroperoxide
  • This grafting process can be carried out using known mixing equipment such as, for example, a Brabender mixer, a Banbury mixer or a roll mill.
  • the grafting process is carried out in a closed vessel.
  • a convenient method of preparing the graft copolymer is therefore to extrude the styrenic polymer which forms the polymer backbone, the polymerisable ethylenically unsaturated carboxylic acid or derivative thereof and an organic peroxide or hydroperoxide through a single or multiple screw extruder.
  • the styrenic polymer may be dissolved or suspended in a solvent and the resulting solution or suspension is mixed with the polymerisable ethylenically unsaturated carboxylic acid or derivative thereof and the free radical initiator.
  • the graft copolymer may be further reacted with a compound (A) which has (a) a primary amino group and (b) at least one further group selected from the group consisting of a primary amino group, a secondary amino group and a hydroxyl group. It is preferred that compound (A) is a diamine having two primary amino groups and up to 16 carbon atoms inclusive and at least two carbon atoms between the primary amino groups.
  • the diamines suitably contain aromatic moieties linking the amino groups as illustrated by phenylenediamine, 4,4'-diaminobiphenyl and di(4- aminophenyl) ether, or the diamines contain cycloaliphatic linking moieties such as in the case of di(4-aminocyclohexyl)methane or 1,4-diaminocyclooctane.
  • the preferred diamines are the acyclic terminal primary diamines of the formula:
  • Such polymethylenediamines include trimethylenediamine, tetramethylenediamine, hexamethylenediamine, decamethylenediamine, dodecamethylenediamine and hexadecamethylenediamine. Of these diamines dodecamethylenediamine is preferred.
  • Compound (A) which is optionally reacted with the graft copolymer can also suitably be a polyalkylene polyamine, or a mixture thereof, having the formula:-
  • R is a divalent aliphatic hydrocarbon group having 2 to 4 carbon atoms and n is an integer in the range from 1 to 10. More preferably the amine is a polyalkylene polyamine of the formula (II) wherein R is the group -CH 2 CH 2 - and n has a value of 2 to 6, i.e. a polyethylene polyamine.
  • suitable polyethylene polyamines include triethylene tetramine and tetraethylene pentamine.
  • Hydroxyalkyl amines for example ethanolamine, diethanolamine, 2- hydroxypropylamine and N-hydroxy-ethyl ethylenediamines, and the like may also be used as the compound (A).
  • compound (A) can be a compound of formula (III), H 2 N(CHR 1 CHR 2 O) n CHR 3 CHR 4 NH 2 (III) wherein one of R 1 and R 2 is hydrogen and the other is hydrogen or lower alkyl, preferably C 2 -C 6 alkyl, more preferably methyl, and n is an integer from 1 to 40, preferably 1 to 10, more preferably 1 to 7, for example 2 to 7, one of R 3 and R 4 is hydrogen and the other is hydrogen or lower alkyl, preferably C 2 -C 6 alkyl, more preferably methyl.
  • the amount of compound (A) which is optionally reacted with the graft copolymer is from 0.01 to 2.0%, preferably from 0.05 to 1.0% by weight of the resulting amine functionalised graft copolymer.
  • the optimum amount of compound (A) varies depending on the graft copolymer.
  • Compound (A) can be reacted with the graft copolymer in several ways; a preferred method is to react the graft copolymer and compound (A) in the melt by melt mixing them in known mixing equipment e.g. a Brabender mixer, a Banbury mixer or a roll mill or twin screw extruder. It is also possible to melt mix the diamine with the graft copolymer in the grafting process itself preferably in two steps.
  • known mixing equipment e.g. a Brabender mixer, a Banbury mixer or a roll mill or twin screw extruder. It is also possible to melt mix the diamine with the graft copolymer in the grafting process itself preferably in two steps.
  • a polyolefin is added to the adhesive composition to modify the rheological, viscoelastic or adhesive properties of the composition ("modifying polyolefin").
  • Any suitable polyolefin can be used e.g. polyethylene, polypropylene, copolymers of ethylene or copolymers of propylene with one or more comonomers e.g. butylene.
  • the modifying polyolefin may be a very low density polyethylene (VLDPE), linear low density polyethylene (LLDPE) or ethylene propylene rubbers, preferably NLDPE.
  • VLDPE very low density polyethylene
  • LLDPE linear low density polyethylene
  • ethylene propylene rubbers preferably NLDPE.
  • a mixture of two or more modifying polyolefins can be added to the adhesive composition.
  • the modifying polyolefin is present in amounts of from 40 to 80% by weight, preferably 50 to 70% by weight based on the total amount of the adhesive composition.
  • Particularly preferred graft copolymers include a SEBS block terpolymer grafted with maleic anhydride and subsequently reacted with compound (A) as well as blends of VLDPE and such amine modified SEBS block terpolymers.
  • the adhesive composition may optionally comprise a polyketone. It is preferred that the optional polyketone is the same as the polyketone of the second layer. Where a polyketone is present in the adhesive composition it is preferred that the polyketone is present in the adhesive composition in amounts in the range 10 to 50% by weight, more preferably 20 to 40% by weight based on the total weight of the polymers of adhesive composition.
  • the graft copolymer, the optional modifying polyolefin and the optional polyketone can be blended using known techniques and equipment for batch or continuous blending.
  • the adhesive composition may also contain conventional additives such as, for example, antioxidants, stabilisers, processing aids, fillers and mould release agents.
  • additives such as, for example, antioxidants, stabilisers, processing aids, fillers and mould release agents.
  • Methods for using adhesive compositions to bond polyolefins or polystyrenes to polar substrates are known and include lamination, coextrusion, extrusion lamination and coextrusion coating.
  • the present invention relates to multi-layered structures when prepared by co-extrusion e.g. multi-layered film produced by coextrusion.
  • the polyolefin composition may comprise a polyolefin, blends of polyolefins or blends of a polyolefin and a polymer other than a polyolefin (for example, a blend of a polyolefin and a polyamide).
  • the polyolefin composition of the first layer comprises a major proportion of a polyolefin.
  • the polyolefin composition of the first layer may comprise a recycled polyolefin or a mixture of recycled and virgin polyolefin.
  • the polyolefin composition of the first layer may contain conventional fillers.
  • Suitable polyolefins include a homopolymer of an olefin e.g. ethylene or propylene, in particular polypropylene, a high density polyethylene (HDPE), a low density polyethylene (LDPE), a linear low density polyethylene (LLDPE) or a very low density polyethylene (VLDPE), preferably polypropylene, HDPE or LLDPE.
  • the polyolefin may be a copolymer of an olefin e.g. propylene with ethylene, butylene or other unsaturated aliphatic hydrocarbons or a terpolymer of an olefin e.g. ethylene with propylene and a diene. Blends of two or more polyolefins can be used.
  • the polystyrene composition may comprise a crystal polystyrene or a high impact polystyrene (HIPS).
  • High-impact polystyrene is typically styrene that has been polymerised in the presence of a rubber modifier, for example, butadiene to give polystyrene with particles of the rubber modifier dispersed in the polymer matrix. Where polybutadiene is used in this way, it typically constitutes 3-10% by weight of the high impact polystyrene.
  • the polystyrene may contain up to 20% by weight of a comonomer, for example, maleic anhydride, butadiene or acrylonitrile. Typical of polystyrene with maleic anhydride comonomer are Dylark (ex Nova Chemicals) and SMA (ex DSM) resins.
  • the weight average molecular weight is preferably in the range 150,000 to 400,000 more preferably 220,000 to 320,000.
  • the weight average molecular weight is preferably in the range 180,000 to 220,000 for example 190,000 to 210,000.
  • the polystyrene composition of the first layer may comprise a blend of a polyketone and a polystyrene as described in EP 0839866.
  • the polyketone which is blended with the polystyrene is the same as the polyketone used in the polyketone composition of the second layer.
  • the polyketone composition of the second layer comprises a linear polymer having an alternating structure of (a) units derived from carbon monoxide and (b) units derived from one or more olefinically unsaturated compounds. Suitable olefinic units are those derived from C to C ⁇ 2 alpha-olefins or substituted derivatives thereof or styrene or alkyl substituted derivatives of styrene.
  • olefin or olefins are selected from C 2 to C ⁇ normal alpha-olefins (i.e. straight chain alpha-olefins) and it is particularly preferred that the olefin units are either derived from ethylene or most preferred of all from a mixture of ethylene and one or more C 3 to C ⁇ normal alpha- olefin(s) especially propylene or butylene (i.e. an ethylene/propylene/CO terpolymer or an ethylene/butylene/CO terpolymer).
  • the polyketone composition of the second layer may comprise blends of polyketones or blends of polyketones and a polymer other than a polyketone (for example, polystyrene, polyamides, HDPE, LLDPE, LDPE or polypropylene).
  • the polyketones employed in the invention preferably have a number average molecular weight of from 20000 to 500,000, preferably from 15,000 to 300,000, more preferably from 40,000 to 200,000 as determined by gel permeation chromatography.
  • the melting point of the polyketones is preferably between 175 and 300°C, preferably from 180 to 225°C.
  • a five- layered structure can comprise a first layer of a polyolefin composition or a polystyrene composition, a second layer of an adhesive composition as defined above, a third layer of a polyketone composition, a fourth layer of an adhesive composition as defined above and a fifth layer of a polyolefin composition or a polystyrene composition.
  • the present invention includes film, sheet and articles (e.g. receptacles, pipe or tubing) having the multi-layered structure of the present invention.
  • the invention is illustrated by the following examples:
  • the melt flow rate (MFR) of the polyketone (PK) was measured using a Davenport Melt Index Tester. Tests were carried out at a temperature of 250°C and an applied load of 5 kg. The MFR was calculated from the mass of extrudate pushed through a die (2.095 mm diameter) over a 30 second period on application of the load 4 minutes after charging the polymer into the barrel of the instrument at a temperature of 250°C. Otherwise, standard MFR procedures were followed (e.g. ISO 1133). The melt flow rates (MFR) of the polyethylenes, polypropylene and polystyrene were measured under the same conditions. Preparation of three-layer sandwich
  • a three-layer sandwich comprising a layer of each of the materials to be bonded separated by a layer of the tie-layer material was prepared. Each layer was 130 ⁇ m thick. The three layers were positioned in a mould 360 ⁇ m thick which was then placed in a press at 240°C. After a 30-second preheat the sandwich was compression moulded under a load of 10 tons for 10 seconds, and then crash cooled to room temperature. The level of adhesion between the layers was then assessed. Materials
  • the tie layer were compression moulded as described previously into three-layer sandwiches between polyketone and polyethylene or polystyrene.
  • the degree of adhesion was tested by simply evaluating subjectively the degree of adhesion of the two layers, and the ease with which they could be peeled apart.
  • a tie-layer comprising an amine functionalised SEBS polymer (SEBS-NH 2 ) was prepared by reacting Tuftec M1962 (SEBS-g-MAH) with 1,12-diaminododecane (DADD) as follows: Tuftec Ml 962 was cryoground in a Fritsch grinder to a fine powder and was then dried at a temperature of 50°C for a period of 2 hours under vacuum. The dried material was then mixed with 1% w/w of DADD and the resulting mixture was compounded using a Prism 16mm twin screw corotating extruder. The temperature profile of the extruder as 180, 200 and 210°C along the feed, barrel and die sections of the extruder respectively. The screw speed was 150 rpm and the torque was 40%.
  • the tie layer was compression moulded as described previously into three-layer sandwiches between polyketone and polyethylene or polystyrene.
  • the degree of adhesion was tested by simply evaluating subjectively the degree of adhesion of the two layers, and the ease with which they could be peeled apart.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une structure à multiples couches. Cette structure comprend une première couche et une deuxième couche. La première couche comprend une composition de polyoléfine ou une composition de polystyrène et la deuxième couche comprend une composition de polycétones. Les première et deuxième couches sont soudées ensemble avec une couche intermédiaire d'une composition adhésive qui comprend un copolymère greffé présentant un squelette de polymère styrénique greffé avec au moins un acide carboxylique non saturé en éthylène pouvant être polymérisé, ou un dérivé de ce dernier.
PCT/GB1999/003499 1998-11-24 1999-10-21 Structure a multiples couches WO2000030849A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9825721.5 1998-11-24
GBGB9825721.5A GB9825721D0 (en) 1998-11-24 1998-11-24 Adhesive compositions

Publications (1)

Publication Number Publication Date
WO2000030849A1 true WO2000030849A1 (fr) 2000-06-02

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PCT/GB1999/003499 WO2000030849A1 (fr) 1998-11-24 1999-10-21 Structure a multiples couches

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003046102A1 (fr) * 2001-11-27 2003-06-05 Guardian Industries Corp. Structures stratifiees pour elements de garniture d'automobile, procedes et couches de liaison correspondants
US6849339B2 (en) * 2001-11-27 2005-02-01 Guardian Industries Corporation Composite laminate structures especially useful for automotive trim components, and methods and tie layers employed to make the same
CN115027115A (zh) * 2022-03-24 2022-09-09 深圳市新创源精密智造有限公司 一种环保复合型盖带及其制备工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389094A2 (fr) * 1989-03-09 1990-09-26 Morton International, Inc. Mélange adhésif de polyoléfines et de polymères bloc greffés de styrène
WO1995009212A1 (fr) * 1993-09-28 1995-04-06 Bp Chemicals Limited Melanges adhesifs
WO1999043496A1 (fr) * 1998-02-26 1999-09-02 Bp Chemicals Limited Structure multicouche

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389094A2 (fr) * 1989-03-09 1990-09-26 Morton International, Inc. Mélange adhésif de polyoléfines et de polymères bloc greffés de styrène
WO1995009212A1 (fr) * 1993-09-28 1995-04-06 Bp Chemicals Limited Melanges adhesifs
WO1999043496A1 (fr) * 1998-02-26 1999-09-02 Bp Chemicals Limited Structure multicouche

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003046102A1 (fr) * 2001-11-27 2003-06-05 Guardian Industries Corp. Structures stratifiees pour elements de garniture d'automobile, procedes et couches de liaison correspondants
US6805959B2 (en) 2001-11-27 2004-10-19 Guardian Industries Corporation Composite laminate structures especially useful for automotive trim components, and methods and tie layers employed to make the same
US6849339B2 (en) * 2001-11-27 2005-02-01 Guardian Industries Corporation Composite laminate structures especially useful for automotive trim components, and methods and tie layers employed to make the same
CN115027115A (zh) * 2022-03-24 2022-09-09 深圳市新创源精密智造有限公司 一种环保复合型盖带及其制备工艺

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Publication number Publication date
GB9825721D0 (en) 1999-01-20

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