Polyamide resin composition

Details Polyamide resin composition Polyamide resin composition

2006-07-20

2010-10-05

Szekely, Peter (Department: 1796)

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...

C524S140000, C524S147000

Reexamination Certificate

active

07807742

ABSTRACT:
A polyamide resin composition comprising a polyamide (X) having a diamine constituent unit which is mainly composed of a m-xylylenediamine unit and a dicarboxylic acid constituent unit which is mainly composed of an adipic acid unit; and specific amounts of a phosphorus acid antioxidant and alkaline component. The polyamide (X) is characterized by a specific range of terminal-group concentration balance and a specific amino-group reaction rate. This composition can simultaneously achieve inhabitation of yellow discoloration and reduction of number of gels or fish eyes.

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Extended European Search Report, including Supplementary European Search Report and European Search Opinion, dated Nov. 2, 2009, for Application No. EP 06 78 1344.

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