Flame-retardant resin composition

Details Flame-retardant resin composition Flame-retardant resin composition

1995-05-01

1997-05-06

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, 524143, C08K 5523

Patent

active

056272286

ABSTRACT:
A flame-retardant (C) of a nuclearly alkylated aromatic phosphoric acid ester of the following formula (I) and a fluororesin (D) such as polytetrafluoroethylene are added to 100 parts by weight of a mixture of thermoplastic resins comprising an aromatic polycarbonate (A) and a styrenic resin (B) comprising at least a rubber-modified styrenic resin: ##STR1## wherein (i) at least one of R.sup.1 to R.sup.4 is either a 2,3-, a 3,4-, or 3,5-dialkylphenyl group, each alkyl group having 1 to 3 carbon atoms, A is a phenylene group, n denotes an integer of 0 to 5, and R.sup.1 to R.sup.4 contain both the dialkylphenyl group and a monoalkylphenyl group; or (ii) at least one of R.sup.1 to R.sup.4 is a phenyl group substituted with 1 to 5 alkyl groups each having 1 to 4 carbon atoms, A is 1,3-phenylene group and n denotes an integer of 1 to 5. The flame-retardant (C) may be a mixture of the compound (i) and the compound (ii).

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