Silicone fluid grease compositions

Details Silicone fluid grease compositions Silicone fluid grease compositions

C - Chemistry, Metallurgy

10

M

253/61

C10M 169/02 (2006.01)

Patent

CA 1124705

Abstract A grease composition is composed of a silicone fluid and a thick- ening amount of a poly (metal phosphinate) selected from the group of polymers having the following formulas: (1) M[XP(R?)(R?)X]c[XP(R)(H)X]d and (2) M?O4(OH)x[XP(R)(H)X]8-x , wherein M is trivalent chromium or iron, M' is tetravalent titanium, zirconium or hafnium,. X is oxygen or sulfur, R is alkyl or aryl, R' is alkyl, R" is aryl, a and b are each zero, 1 or 2 and the sum of a and b is 2, c is zero, 1 or 2, d is equal to 3-c, and x ranges from zero to 7.9.

333745

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