Polycarbonate film of low inflammability

Details Polycarbonate film of low inflammability Polycarbonate film of low inflammability

C - Chemistry, Metallurgy

08

L

18/1032, 400/560

C08L 69/00 (2006.01) B29D 7/02 (1980.01)

Patent

CA 1044839

ABSTRACT OF THE DISCLOSURE A polycarbonate film having improved flame resistance and good stress-corrosion-cracking resistance and having a total halogen content of at least about 5% by weight, is prepared from a solution of a mixture of a halogen-containing low molecular weight polycarbonate and a higher molecular weight polycarbonate prepared from bisphenol containing at least 90 mol percent bisphenol A. The novel film can be used to advantage for self-supporting electrical insulating films.

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