Ignition resistant carbonate polymer blends

Details Ignition resistant carbonate polymer blends Ignition resistant carbonate polymer blends

1992-06-03

1994-01-04

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524135, 524139, 524141, 524145, 524147, 524168, 524169, C08K 55393, C08K 5524/5/521

Patent

active

052760774

ABSTRACT:
According to the present invention there are obtained improved ignition resistant carbonate polymer blends having unexpectedly better combinations of toughness, ignition resistance, processability and stability. In particular the blend comprises a major amount of carbonate polymer, a minor amount of a rubber-modified monovinylidene aromatic copolymer, and an optional rubbery core/shell graft copolymer impact modifier. As ignition resistance additives the blends contain a metal salt of an aromatic sulfur compound, a buffering aromatic sulfur compound, an organophosphorus compound, and a tetrafluoroethylene polymer.

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Encyclopedia of Polymer Science and Engineering, vol. 7, Fibers, Optical to Hydrogenation John Wiley & Sons.

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