2017 (4) 7
https://doi.org/10.15407/polymerj.39.04.260
Properties of polydienes in the presence of quaternary ammonium salts from raw materials as vulcanization activators
V.І. Оvcharoy1, L. О. Sokolova1, L. R. Jusupova1, V.K.Grishchenko2, A.V. Barantsova2
1«Ukrainian State Chemical -Technological University»
8, Gagarin ave., Dnipro, 49005, Ukraine
2Institute of Macromolecular Chemistry NAS of Ukraine
48, Kharkivske shose, Kiyv, 02160, Ukraine, oligomer8@bigmir.net
Polym. J., 2017, 39, № 4: 260-270.
Section: Synthesis polymers.
Language: Ukrainian.
Abstract:
One of basic processes of synthesis of rubber goods is vulcanization. In the course of curing organic vulcanization activators have the significant role. Vulcanization activators with bathotonic properties capable not only to influence positively kinetics and extent of sulphur vulcanization of polydienes and to improve properties of rubbers and products from them are considered to be perspective.
The purpose of this work was synthesis of the new quaternary ammonium salts from raw materials of a vegetable and investigation of their influence as organic activators on the kinetics of sulphur vulcanization, the properties of elastomeric compositions on the basis of carbon-chain diene rubbers of general purpose. The new quarternary ammonium salts (QAS) from raw materials have been synthesized. The structure received quarternary ammonium salts have been confirmed by IR-spectroscopy. Influence of initial substances for synthesis on effectiveness of QAS as organic activator of sulphur vulcanization was investigated. Rheokinetic and physic-mechanical researches of unfilled elastomeric compositions based on the SKMS-30 ARC brand butadiene-methyl styrene rubber compositions of tire-tread type based on the general-purpose rubbers with QAS as a part of the sulphuric curing systems was conducted. The investigated QAS as the alternate substitute of stearic acid provides more intensive process of sulphur vulcanization and a high level of physico-mechanical properties of cured stocks.
Keywords: carbon-chain diene rubbers, elastomeric compositions, activation of sulphur vulcanization, quaternary ammonium salts, raw biomaterials, properties.
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