Flame retardant polyamide resin composition and molded article

Details Flame retardant polyamide resin composition and molded article Flame retardant polyamide resin composition and molded article

2011-06-28

2011-06-28

Szekely, Peter (Department: 1761)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S101000, C524S126000, C524S133000, C524S404000, C524S405000

Reexamination Certificate

active

07968629

ABSTRACT:
A flame retardant polyamide resin composition having excellent extrudability and moldability, being free of generating a highly corrosive hydrogen halide gas upon combustion, exhibiting very high flame retardancy, having excellent mechanical properties and electrical properties and being suited for use in electrical and electronic parts and parts for automobile electrical equipments, and a molded article thereof are provided. A polyamide resin composition comprising 100 parts by weight of an aliphatic polyamide resin (A) having a viscosity number of 70 to 200 ml/g, 0.1 to 30 parts by weight of a polyphenylene ether-based resin (B), and 5 to 100 parts by weight of flame retardant agent (C) comprising at least the following components (a), (b) and (c); (a) a reaction product of a melamine and a phosphoric acid, (b) a phosphinic acid salt and/or a diphosphinic acid salt, and (c) a metal salt of boric acid, wherein a compounding weight ratio (a):(b):(c) of the flame retardant agent components is 1:(0.5 to 2.5):(0.01 to 1).

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International Search Report for PCT/JP2007/000207, mailed May 1, 2007.

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