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US4652386A Lubricating oil preparations 失效
润滑油制剂

Lubricating oil preparations
摘要:
Organopolysiloxanes of the formula ##STR1## in which R is an alkyl radical having 6 to 18 C atoms,R' is an alkyl radical having 1 to 7 C atoms or the phenyl radical,a and b each independently is an integer from 1 to 500, the ratio of b:a being at least 2, are miscible with mineral oil and synthetic lubricating oils and have a pour point below -15.degree. C.
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