Flame retardant styrenic molding compositions

Details Flame retardant styrenic molding compositions Flame retardant styrenic molding compositions

1976-04-12

1978-03-21

De Benedictis, Sr., Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260DIG24, C08L 5100, C08L 5300

Patent

active

040804046

ABSTRACT:
Disclosed herein are polyblend molding compositions which comprise (A) poly(styrene/acrylonitrile/methylmethacrylate) matrix polymer; (B) polychloroprene rubber which is grafted with monomers of the type used to prepare the matrix; (C) a metal oxide; and (D) smoke suppressants. Specimens molded from these polyblends have a UL-94 rating of at least V-1 and a smoke level of less than 360 D.sub.m Flaming as measured using the NBS smoke test.

REFERENCES:
patent: 3830889 (1974-08-01), Deets et al.
patent: 3903037 (1975-09-01), Deets
Lyons, The Chemistry and Uses of Fire Retardants (Wiley-Interscience 1970), pp. 20, 21, 250, 312, 331-332, 411-412.

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