Influence of oligomeric unsaturated polyketone on the vulcanization of elastomeric compositions in the presence of sulfenamide C

Autor: D. E. Babushkin, S. V. Semikolenov, V. D. Voronchihin, O. V. Sorochenko, D. P. Ivanov, Konstantin A. Dubkov
Rok vydání: 2020
Předmět:
Zdroj: Russian Chemical Bulletin. 69:2171-2176
ISSN: 1573-9171
1066-5285
DOI: 10.1007/s11172-020-3018-x
Popis: Effect of the oligomeric unsaturated polyketone (UPK) additive on the rheological properties, vulcanization, and structural characteristics of elastomeric compositions based on butadiene and nitrile-butadiene rubbers containing N-cyclohexyl-2-benzothiazolylsulfenamide (sulfenamide C) as vulcanizing accelerator is investigated. It was demonstrated using IR and NMR spectroscopy that sulfenamide C reacts with polyketone. A mechanism for such interaction, which includes the sequential addition of benzothiazyl sulfide and amine fragments to the oligomeric chain, was proposed.
Databáze: OpenAIRE