Agglomerate-free, bubble-free, high barrier vinylidene chloride

Details Agglomerate-free, bubble-free, high barrier vinylidene chloride Agglomerate-free, bubble-free, high barrier vinylidene chloride

1981-01-16

1982-11-23

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523353, 524160, 524161, 524568, 524210, C08K 310, C08K 542

Patent

active

043606121

ABSTRACT:
An improved process for preparing extruded films from film-forming polymeric compositions based on vinylidene chloride copolymers and containing one or more inorganic particulate additives and to the films so prepared. The improvement comprises first preparing a preblend of the inorganic particulate additives and an alkali metal salt of an alkylaryl sulfonic acid and, then making an admixture of the preblend and the vinylidene chloride copolymers. The admixture so prepared is then formed into an extruded film by conventional techniques.

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