Heat resistant composite laminate

Details Heat resistant composite laminate Heat resistant composite laminate

1995-10-11

1997-12-23

Weisberger, Richard

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428518, 428520, 428357, 428365, 4538, B32B 2708, A47K 302

Patent

active

057005664

ABSTRACT:
The invention relates to composites VS comprising at least two plastic layers A and C, suitable for the production of articles which, on one surface, come into contact with water at temperatures between 0.degree. and 90.degree. C., wherein the layer A, which comes into contact with water, comprises a thermoplastic, impact-resistant polymethyl methacrylate plastic SP having a Vicat softening temperature of at least 95.degree. C. according to ISO 306 procedure B and a notch impact resistance of at least 3.0 kJm.sup.-2 according to ISO 180 1A, and layer C comprises an impact-resistant acrylonitrile-styrene copolymer VP. In a preferred specific embodiment of the invention, another layer B, made of a thermoplastic polymethyl methacrylate plastic P, is placed between layers A and C.

REFERENCES:
patent: 4844944 (1989-07-01), Graefe et al.
patent: 5019448 (1991-05-01), Kleosch et al.

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