Lubricants containing blends of polymers

• Main Authors: KNAPTON DANIEL J, PRICE DAVID, VISGER DANIEL C, SCHOBER BARTON J, DIMITRAKIS WILLIAM J, PADMANABHAN KODUNTHIRAPULLY S, CRESSEY DAVID, GRISSO BRYAN A
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2017
• Subjects: CHEMISTRY; FUELS; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

A lubricant composition comprising (a) an oil of lubricating viscosity; (b) a (meth)-acrylate-containing polymer comprising a multiplicity of arms containing at least 20 carbon atoms, said arms being attached to a multivalent organic moiety; and (c) an ethylene/olefin copolymer having a weight average molecular weight of about 10,000 to about 250,000, wherein the copolymer comprises about 40 to about 70 weight percent polymerized ethylene monomers and optionally further comprises polymerized propylene monomers; exhibits good viscometric and antiwear properties. 种润滑剂组合物，其包含(a)具有润滑粘度的油；(b)含(甲基)丙烯酸酯的聚合物，其包括含有至少20个碳原子的多个臂，所述臂被连接到多价有机结构部分；和(c)乙烯/烯烃共聚物，其具有约10,000-约250,000的重均分子量，其中所述共聚物包含约40至约70重量％聚合的乙烯单体和任选地进步包括聚合的丙烯单体；具有良好的粘度和抗磨性能。