Multilayer polycarbonate article

Details Multilayer polycarbonate article Multilayer polycarbonate article

1984-07-13

1986-01-28

Herbert, Thomas J.

Stock material or miscellaneous articles

Composite

Of polycarbonate

156334, 428516, 428520, B32B 2708, B32B 2736

Patent

active

045671052

ABSTRACT:
A multilayer composition comprising an outer layer of aromatic polycarbonate, an outer layer of a polymer prepared from an olefinic monomer, said outer layers tied together with a layer comprising an admixture of an olefin acrylate polymer and poly-(4-methylpentene-1), the olefin acrylate and poly-(4-methylpentene-1) in such quantities that the adhesive strength and clarity of the tie layer is not significantly reduced after exposure to hydrolytic conditions at elevated temperatures.

REFERENCES:
patent: 2999835 (1961-09-01), Goldberg
patent: 3028365 (1962-04-01), Schnell et al.
patent: 3334154 (1967-08-01), Kim
patent: 3876452 (1975-04-01), Anspon et al.
patent: 4386124 (1983-05-01), Akao

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