DEGRADATION OF NYLON-6 BY GLYCOLYSIS - PART 1 - IDENTIFICATION OF DEGRADATION PRODUCTS

Authors
HOMMEZ B GOETHALS EJ
Citation
B. Hommez et Ej. Goethals, DEGRADATION OF NYLON-6 BY GLYCOLYSIS - PART 1 - IDENTIFICATION OF DEGRADATION PRODUCTS, Journal of macromolecular science. Pure and applied chemistry, A35(9), 1998, pp. 1489-1505
Citations number
13
Categorie Soggetti
Polymer Sciences
Journal title
Journal of macromolecular science. Pure and applied chemistry → ACNP
ISSN journal
10601325
Volume
A35
Issue
9
Year of publication
1998
Pages
1489 - 1505
Database
ISI
SICI code
1060-1325(1998)A35:9<1489:DONBG->2.0.ZU;2-3
Abstract
Glycolysis of nylon-6, in the presence of phosphoric acid at 250 degre es C, leads to a mixture of low molecular weight compounds, HPLC analy sis combined with H-1-NMR and mass spectroscopy showed that the main d egradation products were ethylene glycol derivatives of caprolactam an d linear oligomers. No cyclic oligomers were found. Two types of linea r oligomers were found i.e. with free carboxylic acid endgroups and wi th the carboxylic acid endgroups esterified with ethylene glycol.