Progress in the Area of Degradation and Stabilization of Nylon 66
- 1 January 1998
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science, Part C: Polymer Reviews
- Vol. 38 (4) , 595-614
- https://doi.org/10.1080/15583729808546033
Abstract
The two principal commercial polyamides are poly(hexamethylene adipamide) (nylon 66) and polycaprolactam (nylon 6). They are produced by direct amidation of a diacid with a diamine and ring-opening polymerization of ɛ-caprolactam, respectively. Poly(hexamethylene adipamide) is synthesized by hexamethylene diamine and adipic acid [1]. A stoichiometric balance of amine carboxylic group is readily obtained by the preliminary formation of a 1:1 ammonium salt:Keywords
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