Polyamide??6, 6??based blocky copolyamides obtained by solid??state modification

A Jeyakumar, H Goossens, B Noordover…

Index: Jeyakumar, Albert; Goossens, Han; Noordover, Bart; Prusty, Manoranjan; Scheibitz, Matthias; Koning, Cor Journal of Polymer Science, Part A: Polymer Chemistry, 2013 , vol. 51, # 23 p. 5118 - 5129

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Abstract

ABSTRACT Copolyamides based on polyamide-6, 6 (PA-6, 6) were prepared by solid-state modification (SSM). Para-and meta-xylylenediamine were successfully incorporated into the aliphatic PA-6, 6 backbone at 200 and 230 C under an inert gas flow. In the initial stage of the SSM below the melting temperature of PA-6, 6, a decrease of the molecular weight was observed due to chain scission, followed by a built up of the molecular weight and ...