Coextruded multilayer and a process for preparing the same

Details Coextruded multilayer and a process for preparing the same Coextruded multilayer and a process for preparing the same

1990-09-18

1993-01-19

Buffalow, Edith L.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428421, 428520, 15624411, B32B 2700

Patent

active

051806347

ABSTRACT:
Coextruded multilayer sheets comprising a first outer layer consisting of a blend containing polyvinylidene fluoride having an average mollecular weight (Mw) not higher than 250,000 and an acrylic resin and at least a layer of a homo or copolymer of an alkylmethacrylate, having a Vicat degree (49N, 50.degree. C/h) of at least 90.degree. C., in mixture with 5-40% by weight of an elastomer in the grafted form.

REFERENCES:
patent: 4647509 (1987-03-01), Wallace et al.
patent: 5030394 (1991-07-01), Siestes et al.

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