Polymeric film comprising filler particles obtained by calcining

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428480, 524493, 524539, 524604, 524605, 525474, B32B 516, B32B 2736

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active

056269595

ABSTRACT:
A polymeric film comprising from 0.0005% to 2% by weight, based upon the weight of the polymer in the film, of filler particles having a volume distributed median particle diameter of from 0.1 to 12.5 .mu.m, the filler particles being obtainable by calcining precursor silicone resin particles prior to incorporation into the film polymer.

REFERENCES:
patent: 4008203 (1977-02-01), Joes
patent: 4761327 (1988-08-01), Hamano et al.
patent: 5137939 (1992-08-01), Siddiqui
patent: 5256473 (1993-10-01), Kotani et al.
Derwent Publications, Ltd. London, GB, Abstract JP-A-63 017 962, Jan. 25, 1988.

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