Synthesis and Tribological Characteristics of Oligoorganosiloxanes with Higher n-Alkyl Substituents

被引：0
|
作者：
M. V. Sobolevskii
I. A. Lavygin
V. V. Zverev
V. I. Kovalenko
Yu. G. Zaslavskii
M. I. Legkov
机构：
[1] State Scientific Center of the Russian Federation,State Research Institute for Chemistry and Technology of Organoelement Compounds
来源：
Russian Journal of Applied Chemistry | 2001年 / 74卷
关键词：
Oligomer; General Formula; Random Distribution; Physicochemical Characteristic; Dimethylsiloxane;
D O I：
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中图分类号：
学科分类号：
摘要：
A procedure was developed for hydrosilylation of α-olefins with oligohydrosiloxanes, and a series of comb-shaped organosiloxanes of the general formula R3SiO(R2SiO)m(RR'SiO)nSiR3 (where R is CH3, C2H5; R' is n-alkyl C8-C18) with random distribution of dimethylsiloxane (or diethylsiloxane) and methylalkylsiloxane (or ethylalkylsiloxane) units were obtained. The physicochemical characteristics of these oligomers were studied, with particular attention given to their lubricating properties (diameter of the wear spot and critical jamming load), which were compared to those of lubricating oils based on organosilicon compounds (PMS-100, KhS-2-1) and hydrocarbon-based MS-20 oil.
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页码：270 / 273
页数：3
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