Expandable films and molded products therefrom

Details Expandable films and molded products therefrom Expandable films and molded products therefrom

1996-02-05

1998-07-21

Raimund, Christopher

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 358, 428 369, 428 351, 428 362, 428 363, 428 364, 428 365, 428 368, 428 3691, 4283055, 4283135, 4283166, 4283179, 4283193, 264 51, 264 54, B32B 108, B32B 110, B32B 516

Patent

active

057832722

ABSTRACT:
A thin, tacky, non-pourable film of incompatible in situ-expandable thermoplastic particles and thermosettable matrix resin that contains an essentially uniform density and thickness across the breadth of the film. The in situ-expandable mass is not pourable yet can be easily dispensed in a uniform manner within a mold and thereafter expanded to the dimensions of the mold. Composites and reinforced compositions, as well as methods of molding, are disclosed.

REFERENCES:
patent: 5234757 (1993-08-01), Wong
patent: 5397611 (1995-03-01), Wong

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