X-Ray Induced Polymerization of Gaseous Vinyl Chloride. Effect of Additives
Open Access
- 1 February 1971
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 49 (3) , 363-370
- https://doi.org/10.1139/v71-061
Abstract
The X-ray induced polymerization in the gas phase of pure vinyl chloride and of its mixtures with O2, NO, SF6, NH3, CH3NH2, H2O, HCl, and C2H2 were examined. About 75% of the polymerization proceeds via a radical mechanism. The experiments indicate that most of the additives are deactivating chain transfer agents. Gel permeation chromatography showed that the polymer is activated by X-ray absorption during the time it takes to fall to the bottom of the irradiation cell, and forms a branched polymer.Keywords
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