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

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Abstract

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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REFERENCES

  1. Deryaguin, B.V., Karasev, V.V., Lavygin, I.A., et al., Abstracts of Papers, Special Discussion on Thin Films and Boundary Layers, Cambridge (England), September 28-30, 1970.

  2. Lukevics, E.J. and Voronkov, M.G., Gidrosililirovanie, gidrogermilirovanie, gidrostannirovanie (Hydrosilylation, Hydrogermylation, Hydrostannylation), Riga: Akad. Nauk Latv. SSR, 1964.

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Authors and Affiliations

  1. State Research Institute for Chemistry and Technology of Organoelement Compounds, State Scientific Center of the Russian Federation, Moscow, Russia

    M. V. Sobolevskii, I. A. Lavygin, V. V. Zverev, V. I. Kovalenko, Yu. G. Zaslavskii & M. I. Legkov

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  1. M. V. Sobolevskii
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  2. I. A. Lavygin
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  3. V. V. Zverev
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  4. V. I. Kovalenko
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  5. Yu. G. Zaslavskii
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  6. M. I. Legkov
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Sobolevskii, M.V., Lavygin, I.A., Zverev, V.V. et al. Synthesis and Tribological Characteristics of Oligoorganosiloxanes with Higher n-Alkyl Substituents . Russian Journal of Applied Chemistry 74, 270–273 (2001). https://doi.org/10.1023/A:1012734520104

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  • DOI: https://doi.org/10.1023/A:1012734520104

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