Coextruded multi-layered articles

Details Coextruded multi-layered articles Coextruded multi-layered articles

1985-01-29

1985-09-10

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

264 461, 264171, 428213, 428412, B32B 2708, B32B 2736

Patent

active

045406235

ABSTRACT:
Laminated articles in the form of an extruded sheet have a multi-layered structure and comprise, on the average, alternating layers of coextruded polymeric thermoplastic materials, wherein one of said materials comprises a carbonate polymer. The articles exhibit good impact resistance even when scratched or notched, hydrolytic stability and transparency.

REFERENCES:
patent: 3557265 (1971-01-01), Chisholm et al.
patent: 3565985 (1971-02-01), Schrenk et al.
patent: 3576707 (1971-04-01), Schrenk et al.
patent: 3647612 (1972-03-01), Schrenk et al.
patent: 3759647 (1973-09-01), Schrenk et al.
patent: 3773882 (1973-11-01), Schrenk
patent: 3801429 (1974-04-01), Schrenk et al.
patent: 3884606 (1975-05-01), Schrenk
patent: 4261473 (1981-04-01), Yamada et al.

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