Novel flame retardant polycarbonate compositions

Details Novel flame retardant polycarbonate compositions Novel flame retardant polycarbonate compositions

1975-07-18

1977-06-07

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457S, 260 457ST, 260DIG24, C08K 330

Patent

active

040282970

ABSTRACT:
This invention is concerned with a new class of flame retardant polycarbonate compositions. More particularly, the invention is concerned with an admixture of an aromatic polycarbonate and a flame retardant additive selected from an alkali or alkaline earth metal salt of an inorganic sulfur compound. The flame retardant polycarbonates can be molded or formed into fire-retardant articles, such as films, sheets, fibers, laminates, or reinforced plastics by conventional techniques.

REFERENCES:
patent: 3053778 (1962-09-01), Toone
patent: 3560431 (1971-02-01), Weedon et al.
patent: 3739060 (1973-06-01), Tomiyama et al.
patent: 3817907 (1974-06-01), Muller et al.

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