Affiliation:
1. 1Slovak Institute or Technology, Bratislava, and Lomonosov Institute of Fine Chemical Technology, Moscow
Abstract
Abstract
In this work the effect of zinc oxide and stearic acid on the kinetics of sulfur combination with rubber was traced, in stocks containing accelerators as well as in stocks without the latter. It was proved that ZnO does not increase the rate of sulfur combination in sodium catalyzed polybutadiene rubbers (SKB-25). On the contrary, in stocks with mercaptobenzothiazole, zinc oxide decreases the rate of sulfur combination. In vulcanizates ZnS is formed in the presence of ZnO. The largest amount of zinc sulfide is formed in stocks with phenyl-2-naphthylamine and with stearic acid.
Subject
Materials Chemistry,Polymers and Plastics
Cited by
4 articles.
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