A study on the mechanism of polyvinyl chloride stabilization by lead salts

Autor:	S. B. Meiman, E. N. Zilberman, V. P. Lebedev, A. E. Kulikova, N.A. Okladnov
Rok vydání:	1970
Předmět:	chemistry.chemical_classification Polyvinyl chloride chemistry.chemical_compound chemistry Lead chloride Inorganic chemistry General Engineering Degradation (geology) Polymer
Zdroj:	Journal of Polymer Science Part A-1: Polymer Chemistry. 8:2631-2635
ISSN:	1542-9350 0449-296X
Popis:	Infrared spectroscopic and DTA measurements and chemical analysis have shown that during stabilization of PVC with organic and inorganic basic lead salts various reactions occur: (a) binding of the evolved HCl, by these salts with the formation of lead chloride and complexes, including HCl, which catalyze the PVC degradation; (b) complex-forming reaction with the reactive PVC groups, which decreases the intensity of color of the polymer. In addition, with weak-organic-acid basic lead salts, exchange of labile Cl atoms for acid residues in PVC occurs, which results in an increase in inherent polymer stability.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::2ee9f381a28d7ed683968891773c8a87 https://doi.org/10.1002/pol.1970.150080928 Zobrazit plný text záznamu Plný text