Multilayered articles formed by coextrusion of polycarbonate and

Details Multilayered articles formed by coextrusion of polycarbonate and Multilayered articles formed by coextrusion of polycarbonate and

1987-12-30

1989-08-29

Herbert, Thomas J.

Stock material or miscellaneous articles

Hollow or container type article

428 357, 428412, 428480, B65D 100, B32B 2708, B32B 2736

Patent

active

048616303

ABSTRACT:
The present invention relates to a multilayer article formed by the coextrusion of a polyester and polycarbonate. The polyester and polycarbonate are extruded into a film wherein the polyester forms the top and bottom layers of the film and the polycarbonate becomes the inner layer. The films may be thermoformed into articles which exhibit excellent strength and impact values.

REFERENCES:
patent: 4001184 (1977-01-01), Scott
patent: 4430484 (1984-02-01), Quinn
patent: 4465820 (1984-08-01), Miller et al.
patent: 4469270 (1984-09-01), Gartland
patent: 4482586 (1984-11-01), Smith et al.
patent: 4643925 (1987-02-01), Smith et al.
patent: 4673708 (1987-06-01), Rock et al.
patent: 4695286 (1987-09-01), Vanier et al.

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