公开(公告)号：US20170121629A1

公开(公告)日：2017-05-04

申请号：US15314541

申请日：2015-05-28

Applicant: SHELL OIL COMPANY

Inventor： Zhou XU ,  Wensi SONG

IPC: C10M161/00

CPC classification number: C10M161/00 ,  B01D19/0404 ,  B01D19/0409 ,  C08K3/36 ,  C08K7/18 ,  C08L83/04 ,  C08L91/00 ,  C10M125/26 ,  C10M155/02 ,  C10M171/004 ,  C10M2201/105 ,  C10M2201/126 ,  C10M2203/1006 ,  C10M2205/173 ,  C10M2229/041 ,  C10N2220/082 ,  C10N2230/18 ,  C10N2240/02 ,  C10N2240/04 ,  C10N2240/08 ,  C10N2240/10 ,  C10N2240/30

Abstract: Defoaming agents comprising a silicone oil and silica particulates, lubricating oil compositions comprising the defoaming agent, methods of lubrication using a lubricating oil composition comprising the defoaming agent, and methods of reducing the foaming tendency/stability and/or improving the air release rates of non-aqueous fluids, such as lubricant oils, are provided.

公开(公告)号：US20170009180A1

公开(公告)日：2017-01-12

申请号：US15107122

申请日：2014-12-22

Applicant: SHELL OIL COMPANY

Inventor： Cheng CHEN ,  Mark Clift SOUTHBY ,  Zhou XU

IPC: C10M169/04

CPC classification number: C10M169/041 ,  C10M2203/003 ,  C10M2205/04 ,  C10M2205/06 ,  C10M2205/17 ,  C10M2205/173 ,  C10M2207/2815 ,  C10M2207/285 ,  C10M2209/084 ,  C10N2220/022 ,  C10N2220/023 ,  C10N2220/027 ,  C10N2220/028 ,  C10N2230/02 ,  C10N2230/54 ,  C10N2230/74 ,  C10N2240/10

Abstract: Lubricating composition for use in the crankcase of an engine comprising: (i) a base oil comprising at least one monoester or a mixture of monoesters, wherein said monoester or mixture of monoesters has a kinematic viscosity at 100° C. of not more than 4 mm2/s, a viscosity index of at least 130 and a Noack evaporation loss of not more than 20 wt %; and (ii) a polymeric viscosity index improvers selected from (a) one or more comb polymers; (b) a poly(meth)acrylate polymer having 1 to 70 mol % of one or more (meth)acrylate structural units represented by formula (1) below (1) wherein R1 is a hydrogen atom or a methyl group, and R2 is a straight chain or branched hydrocarbon group having not less than 16 carbon atoms; (c) styrene-diene hydrogenated copolymers; and (d) mixtures thereof. The lubricating composition of the present invention provides improved fuel economy properties.

Abstract translation: 用于发动机曲轴箱的润滑组合物包括：（i）包含至少一种单酯或单酯混合物的基础油，其中所述单酯或单酯混合物在100℃下的运动粘度不大于4 mm2 / s，粘度指数为至少130，Noack蒸发损失为20重量％以下; 和（ii）选自（a）一种或多种梳形聚合物的聚合物粘度指数改进剂; （b）具有1〜70摩尔％的下述式（1）所示的一种以上的（甲基）丙烯酸酯结构单元的聚（甲基）丙烯酸酯聚合物，其中，R 1为氢原子或甲基，R 2为 具有不小于16个碳原子的直链或支链烃基; （c）苯乙烯 - 二烯氢化共聚物; 和（d）它们的混合物。 本发明的润滑组合物提供了改进的燃料经济性。

公开(公告)号：US20160010023A1

公开(公告)日：2016-01-14

申请号：US14772417

申请日：2014-03-06

Applicant: SHELL OIL COMPANY

Inventor： Sarah Jane MATTHEWS ,  Mark Clift SOUTHBY ,  Zhou XU

IPC: C10M129/68 ,  C10L1/02

CPC classification number: C10M129/68 ,  C10L1/026 ,  C10L2200/0476 ,  C10L2270/026 ,  C10M171/02 ,  C10M2205/02 ,  C10M2205/028 ,  C10M2205/04 ,  C10M2205/173 ,  C10M2209/084 ,  C10M2209/086 ,  C10N2220/022 ,  C10N2230/02 ,  C10N2230/74 ,  C10N2230/78 ,  C10N2240/103

Abstract: Use of a comb polymer for reducing the loss in viscosity of a lubricating composition for the crankcase of an internal combustion engine, wherein the internal combustion engine is fuelled by a fuel composition comprising a fatty acid alkyl ester.

Abstract translation: 使用梳状聚合物来减少用于内燃机的曲轴箱的润滑组合物的粘度损失，其中内燃机由包含脂肪酸烷基酯的燃料组合物燃料。