Plastic laminate having polyamide resin surface layer and fluoro

Details Plastic laminate having polyamide resin surface layer and fluoro Plastic laminate having polyamide resin surface layer and fluoro

1992-07-13

1995-08-15

Thibodeau, Paul J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428421, 428422, 4284744, 4284747, 4284749, 4284755, 4284761, 4284758, 138137, 138141, B32B 700, B32B 2700, F16L 1100

Patent

active

054417821

ABSTRACT:
A plastic laminate having an apliphatic polyamide resin surface layer and a fluororesin surface layer is produced by using an intermediate layer formed of a blend of an aliphatic polyamide resin with a fluorine-containing graft copolymer, which is obtained by graft polymerization of a suitable monomer such as vinylidene fluoride, or a mixture of monomers, with an elastomeric copolymer of at least two principal monomers including at least one fluorine-containing monomer, e.g. vinyliden fluoride and chlorotrifluoroethylene, and an unsaturated peroxy compound. The fluorine-containing graft copolymer is a soft, flexible resin and is well compatible with aliphatic polyamide resins and also with various fluororesins. The fluororesin surface layer uses, for example, polyvinylidene fluoride, a vinyliden fluoride based copolymer or the fluorine-containing graft copolymer. The lamination can be accomplished by simply welding the two surface layers to the intermediate layer. The laminate can be produced in tubular form by a coextrusion method and can be used, for example, as an automotive fuel hose.

REFERENCES:
patent: 4472557 (1984-09-01), Kawashima et al.
patent: 4652592 (1987-03-01), Kawashima et al.
patent: 4800109 (1989-01-01), Washizu
patent: 4886689 (1989-12-01), Kotliar et al.
patent: 4910258 (1990-03-01), Inoue et al.
patent: 5122569 (1992-06-01), Scheibelhoffer et al.
Abstract of JP-A-3278949, Database WPIL Week 9205, Derwent Publications Ltd., London, GB.

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