Liquid polymer composition and use thereof

Details Liquid polymer composition and use thereof Liquid polymer composition and use thereof

C - Chemistry, Metallurgy

10

M

253/128, 400/505

C10M 169/04 (2006.01) C08L 23/16 (2006.01) C10M 111/04 (2006.01)

Patent

CA 1318428

LIQUID POLYMER COMPOSITION AND USE THEREOF ABSTRACT OF THE DISCLOSURE A liquid polymer composition contains: (A) a liquid low molecular weight ethylene- .alpha.-olefin copolymer comprising 30 to 70 mol% of ethylene component units and 30 to 70 mol% of .alpha.-olefin component units, having a number average molecular weight (Mn) in the range of 150 to 10000, with a Q-value (weight average molecular weight/number average molecular weight) of 3 or less, and (B) A high molecular weight polymer which is in an amount of 0.05 to 100 parts by weight based on 100 parts by weight of the liquid low molecular weight polymer (A), having a number average molecular weight (Mn) of 20000 or higher, with a Q-value of 6 or less, and is soluble in the liquid low molecular weight polymer (A), which liquid polymer composition has an excellent viscosity characteristic, lubrication charac- teristic, and oxidation stability, without denaturation by moisture adsorption, and therefore, is suitable for use as an actuation oil.

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