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    • 71. 发明专利
    • MX167980B
    • 1993-04-27
    • MX67085
    • 1985-11-21
    • LUBRIZOL CORP
    • TIPTON CRAIG DGROVER KENT B
    • C10M157/04C10M157/06C10M161/00C08L23/00C08L53/02
    • Polymeric compositions comprised of particularly disclosed oil-soluble polymers and specific oil-soluble acrylate polymerization products are disclosed. The oil-soluble polymer (A) is a polymer selected from the group consisting of a non-aromatic mono-olefin having at least three carbon atoms, and a copolymer of the non-aromatic mono-olefin with an aromatic monoolefin, the polymer having a number average molecular weight of about 500 to about 100,000. The oil-soluble acrylate polymerization product (B) is at least one ester of the formula CH2=C(X)-COOR wherein X is hydrogen or an alkyl or aryl group, and R is a monovalent hydrocarbyl group containing at least four carbon atoms, or an ether derivative of said hydrocarbyl group. The components (A) and (B) are preferably present in a weight ratio of (A):(B) of about 20:1 to about 1:10. The composition may further include an additional component (C) which is an effective amount of a low temperature viscosity reducing organic diluent characterized by a viscosity at 40 DEG C. of less than four centistokes.
    • 75. 发明专利
    • ES549107A0
    • 1987-04-16
    • ES549107
    • 1985-11-20
    • LUBRIZOL CORP
    • C10M157/04C10M157/06C10M161/00C10M107/08
    • Polymeric compositions comprised of particularly disclosed oil-soluble polymers and specific oil-soluble acrylate polymerization products are disclosed. The oil-soluble polymer (A) is a polymer selected from the group consisting of a non-aromatic mono-olefin having at least three carbon atoms, and a copolymer of the non-aromatic mono-olefin with an aromatic monoolefin, the polymer having a number average molecular weight of about 500 to about 100,000. The oil-soluble acrylate polymerization product (B) is at least one ester of the formula CH2=C(X)-COOR wherein X is hydrogen or an alkyl or aryl group, and R is a monovalent hydrocarbyl group containing at least four carbon atoms, or an ether derivative of said hydrocarbyl group. The components (A) and (B) are preferably present in a weight ratio of (A):(B) of about 20:1 to about 1:10. The composition may further include an additional component (C) which is an effective amount of a low temperature viscosity reducing organic diluent characterized by a viscosity at 40 DEG C. of less than four centistokes.
    • 78. 发明专利
    • FI862979A
    • 1986-07-18
    • FI862979
    • 1986-07-18
    • LUBRIZOL CORP
    • TIPTON CRAIG DGROVER KENT B
    • C10M157/00C10M157/04C10M157/06C10M161/00C10N40/04C08L
    • The invention relates to polymer compositions which include a mixture of (A) at least one oil-soluble polymer in the form of a homopolymer of a non-aromatic monoolefin or a copolymer of said non-aromatic monoolefin and an aromatic monoolefin, and (B-1) at least one nitrogenous ester of a carboxyl-containing mixed polymer, and/or (B-2) at least one oil-soluble acrylate polymerization product of at least one acrylate ester, or a mixture of one or more of (B-1) or (B-2). The polymer compositions according to the invention can also contain (C) an effective amount of at least one liquid, organic, viscosity-reducing diluent, such as a naphthenic oil or an alkylated, aromatic material. The polymer compositions according to the present invention can be used as additives in transmission fluids (both automatic and manual) and hydraulic fluids, and the transmission fluids and hydraulic fluids which contain the polymer compositions according to the present invention exhibit improved shear strength while maintaining the desired viscosity properties at high and low temperatures.