Flame-retardant polycarbonate resin composition

Details Flame-retardant polycarbonate resin composition Flame-retardant polycarbonate resin composition

1989-05-16

1991-05-07

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524141, 524142, 524143, 524117, C08K 5527

Patent

active

050137760

ABSTRACT:
A flame-retardant polycarbonate resin composition comprising 100 parts by weight of a polycarbonate resin and 0.001 to 5.0 parts by weight of at least one metal salt of an organic phosphoric acid ester represented by the following general formula [I] ##STR1## wherein R.sub.1 and R.sub.2, independently from each other, represent an alkyl or aryl group which is substituted or unsubstituted by halogen, at least one of R.sub.1 and R.sub.2 is an aryl group and when both R.sub.1 and R.sub.2 are aryl groups, they may be bonded to each other either directly or through an alkylene group or may form one fused ring, and M represents an alkali metal, and optionally 0.01 to 2.0 parts by weight of a micro-fibrous polytetrafluoroethylene.

REFERENCES:
patent: 4649168 (1987-03-01), Kress et al.
patent: 4663374 (1987-05-01), Sonoda et al.

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