Flame retardant, impact resistant polyamide compositions

Details Flame retardant, impact resistant polyamide compositions Flame retardant, impact resistant polyamide compositions

1986-05-01

1987-09-29

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...

523460, 524288, 524469, 524471, C08K 322, C08K 310

Patent

active

046969667

ABSTRACT:
A fire retardant, impact resistant polyamide composition containing 1 to 25% of a rubbery copolymer containing functional groups derived from maleic, fumaric, norbornadiene and succinic anhydrides or an alicyclic carboxylic acid or functional derivative thereof having a cis-form double bond in the ring, 10 to 30% of a halogenated polymer having a weight average molecular weight greater than 5,000 and a synergist for the halogenated fire retardant. The composition provides a good level of impact strength in combination with a high level of fire retardancy. A particularly good balance of properties can be obtained from compositions containing fillers, especially glass fibres.

REFERENCES:
patent: 4220733 (1980-09-01), Jones
patent: 4301058 (1981-11-01), Neukirchen et al.
patent: 4525513 (1985-06-01), Hochberg et al.
patent: 4594386 (1986-06-01), Olivier
patent: 4605708 (1986-08-01), Yaacov et al.

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