Polyether lubricants

Details Polyether lubricants Polyether lubricants

C - Chemistry, Metallurgy

10

M

253/105, 253/112

C10M 107/34 (2006.01) C10M 111/04 (2006.01)

Patent

CA 1334533

An industrial or automobile lubricating oil, for use eg 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[CxH2xO)n(CyH2yO)pH]m wherein R is C9 to C30 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 (CyH2yO) units and between 35 and 80% by weight of (CxH2xO) 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°C.

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