Process for the preparation of stabilized polyamides

Details Process for the preparation of stabilized polyamides Process for the preparation of stabilized polyamides

1987-01-08

1989-06-06

Lieberman, Allan M.

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...

523351, 524401, 524436, 525432, C08K 310, C08K 316, C08K 534, C08L 7700

Patent

active

048372650

ABSTRACT:
Stabilized shaped articles of polyamides are prepared in a simple manner, using a copper-I halide and a molar excess of an alkali or alkaline earth metal halide, by mixing copper(I)-halide and alkali or alkaline earth metal halide with caprolactum, polymerizing the mixture, granulating the melt of the stabilizer concentrate and processing the granules together with the granulated polyamide which is to be stabilized, to give shaped articles.

REFERENCES:
patent: 4195015 (1980-03-01), Delsens et al.
patent: 4292194 (1981-09-01), Perazzoni et al.
Patent Abstracts of Japan-May 26, 1984, vol. 8, No. 114.

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