Flame retardant amine terminated polyamide composition

Details Flame retardant amine terminated polyamide composition Flame retardant amine terminated polyamide composition

1983-12-22

1986-01-14

Hoke, Veronica P.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524469, 524606, 525183, C08K 510

Patent

active

045646503

ABSTRACT:
The present invention is a flame retardant composition comprising from 5 to 20 weight percent of a homopolymer of a monomer having the formula: ##STR1## wherein n=0 or 1, X is bromine or chlorine and R is hydrogen or methyl. The polymer has a molecular weight between 1.times.10.sup.3 and 10.times.10.sup.6, and preferably 5.times.10.sup.3 to 5.times.10.sup.6. The molecular weight is determined by gel permeation chromotography in tetrahydrofuran. The composition contains from 80 to 95 weight percent of a polyamide having an excess of polymer chain ends terminated with amine groups. There can be from 0 to 10, preferably 1 to 10, and more preferably 2 to 6 weight percent of antimony oxide. Optionally, the composition can contain an impact modifier and/or a filler.

REFERENCES:
patent: 4128709 (1978-12-01), Vollkommer et al.
patent: 4137212 (1979-01-01), Theysohn et al.
patent: 4301058 (1981-11-01), Neukirchen et al.
patent: 4373049 (1983-02-01), Richardson
patent: 4454302 (1984-06-01), Ohmura et al.

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