Polyether lubricants

Details Polyether lubricants Polyether lubricants

1991-06-21

1992-09-01

Howard, Jacqueline

Compositions

Electrolytes for electrical devices

252 52R, C10M14534

Patent

active

051436400

ABSTRACT:
An industrial or automobile lubricating oil, for use e.g. as automotive or industrial gear lubricants, two-stroke engine lubricants, comprises (a) 0 to 40% by weight of mineral oil(s) and (b) 100 to 60% by weight of a polyether having the general formula RX[C.sub.x H.sub.2x O).sub.n (C.sub.y H.sub.2y O).sub.p H[.sub.m wherein R is C.sub.9 to C.sub.30 alkyl or alkylphenyl, X is O, S or N, x is 2 to 4, y is 6 to 30, m is 1 or 2 and n and p are such that the polyether contains between 1 and 35% by weight of (C.sub.y H.sub.2y O) units and between 35 and 80% by weight of (C.sub.x H.sub.2x O) units. The polyether preferably has a molecular weight in the range 600 to 4000 and a viscosity in the range 32-460 mPa.s at 40.degree. C.

REFERENCES:
patent: 4481123 (1984-11-01), Heutschel et al.

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