Conclusions
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1.
Pigment stiffeners of greases (isoviolanthrone and phthalocyanines) are effective inhibitors of polysiloxane oxidation.
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2.
The optimum pigment stiffener content, corresponding to maximum stability of the grease, depends on the pigment used and the particular liquid.
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Literature cited
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E. M. Oparina, G. S. Tubyanskaya, and R. I. Kobzova, Khim. i Tekhnol. Topliv i Masel, No. 1 (1964).
E. M. Oparina, R. I. Kobzova, G. S. Tubyanskaya, and N. K. Levkina, Manufacture and Use of Organosilicon Compounds, Coll. 2 [in Russian], Izd. Moskovskogo Doma Nauchno-Tekhn. Propagandy im. Dzerzhinskogo (1964), p. 15.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 5, pp. 26–27, May, 1968.
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Kobzova, R.I., Oparina, E.M., Tubyanskaya, G.S. et al. Pigment stiffeners of greases — Inhibitors of polysiloxane oxidation. Chem Technol Fuels Oils 4, 347–348 (1968). https://doi.org/10.1007/BF00718205
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DOI: https://doi.org/10.1007/BF00718205