Flame retardant polyamides

Details Flame retardant polyamides Flame retardant polyamides

1990-08-03

1991-12-10

Hoke, Veroncia P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524398, 524405, 524414, 524415, 524431, 524492, 524493, 524417, 524445, C08K 55333, C08K 509, C08K 338, C08K 324, C08K 322

Patent

active

050718940

ABSTRACT:
A flame retardant polyamide composition including flame retardant effective amounts of (a) an iron compound and (b) a char forming thermoplastic polymer having aromatic groups in the backbone. A char stabilizing compound (c) may also be present. In a preferred embodiment (b) is a polyphenylene ether. In a preferred embodiment, (c) is anhydrous zinc borate or a wollastonite.

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