Shaped articles from orientable polymers and polymer microbeads

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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215 1R, 428 369, 428220, 4283044, 4283144, 4283155, 4283179, 428327, 428332, 428372, 428376, 428379, 428398, 428401, 428403, 428910, B32B 326, B32B 516, D02G 300

Patent

active

051437651

ABSTRACT:
Disclosed is a shaped article comprising a continuous oriented thermoplastic polymer matrix having dispersed therein microbeads of a polymer which are at least partially bordered by void space, the microbeads being present in an amount of about 5%-50% weight based on the weight of said oriented thermoplastic, said void space occupying about 2%-60% by volume of said shaped article. Preferably, the microbeads are cross-linked to an extent they will be resilient and elastic at the orientation temperature, and are coated with a slip agent. The shaped article is preferably in the form of a sheet, fibers, or other molded article, and preferably has a relatively low specific gravity and whiteness.

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