FLAMMFESTE POLYAMIDE.

摘要

Flameproof, thermoplastic polyamide moulding compsns. contain 2-20wt.%, w.r.t. polyamide, of a non-halogenated, cyclic, aromatic imide cpd. The polyamide is polyamide-6 or -66. The imide is of formulae (I)-(III) (where R = single bond, 1-12C (2-6C) alkylene, 6-14C (6-12C) mono- or bis-arylene, 7-24C (8-16C) alkylene, or (IV); X = S, O, SO, SO2, CO or CH2; R1, R2, R3 = 1-12C (2-7C) alkyl, 6-14C (6-12C) aryl, or 7-14C (7-10C) alkaryl, all opt. substd. by OH).