Appeal No. 95-4300
Application No. 08/165,565
15. An aromatic brominated polycarbonate/polyester carbonate/silicone polyimide
composition having improved flame resistance and reduced drippage and heat release rate,
consisting essentially of:
(A) from about 20 to about 77 parts by weight of an aromatic brominated
polycarbonate resin;
(B) from about 20 to about 77 parts by weight of a polyester carbonate resin;
(C) from about 0.5 to about 10 parts by weight of a silicone-polyimide resin;
(D) about 10 parts of an aromatic polycarbonate having a molecular weight of from
about 40,000 to about 90,000; the sum of (A)-(D) being 100 parts by weight;
(E) from about 0.08 to about 0.4 parts of the sodium salt of 2,3,5-trichlorobenzene
sulfonic acid; and
(F) from about 0.1 to about 5.0 parts by weight of titanium dioxide or carbon black.
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