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公开(公告)号：US20130184189A1
公开(公告)日：2013-07-18
申请号：US13786947
申请日：2013-03-06
发明人： Mark R. Baker , Marina Baum , Barton J. Schober
IPC分类号： C10M119/12
CPC分类号： C10M119/12 , C10M161/00 , C10M2209/084 , C10M2215/28 , C10M2219/022 , C10M2223/043 , C10M2227/061 , C10M2227/062 , C10N2220/029 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2260/14
摘要： The invention provides a lubricating composition containing (a) a polymer derived from greater than 50 wt % or more of a non-diene monomer, wherein the polymer has a weight average molecular weight of about 2000 to about 200,000, and wherein the polymer has a shear stability index of about 0 to about 25; (b) a phosphorus-containing acid, salt, or ester; (c) an extreme pressure agent, other than a phosphorus-containing acid, salt, or ester; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.
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公开(公告)号：US09809780B2
公开(公告)日：2017-11-07
申请号：US13936445
申请日：2013-07-08
IPC分类号： C10M145/14 , C08F2/38 , C08F293/00 , C08L53/00 , C10M177/00
CPC分类号： C10M145/14 , C08F2/38 , C08F293/005 , C08F2438/03 , C08L53/00 , C10M177/00 , C10M2209/084 , C10M2217/023 , C10M2217/024 , C10M2217/028 , C10N2220/021 , C10N2220/029 , C10N2230/02 , C10N2230/04 , C10N2230/08 , C10N2230/68 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2240/08 , C10N2240/10 , C10N2270/00 , C08L2666/02 , C08L2666/04
摘要： The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerizable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerization inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer.
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公开(公告)号：US20150183915A1
公开(公告)日：2015-07-02
申请号：US14416785
申请日：2013-03-05
发明人： John R. Johnson , Barton J. Schober
IPC分类号： C08F265/06 , C10M145/14
CPC分类号： C08F265/06 , C08F220/18 , C08F222/1006 , C08F293/005 , C08F2438/03 , C10M145/14 , C10M2209/084 , C10N2220/021 , C10N2220/029 , C10N2240/04 , C10N2240/08 , C10N2240/10
摘要： The present invention relates to star polymer having a core made up of a crosslinked network of polymers derived from a mixture of one or more multi-functional monomers and one or more mono-functional monomers and where the star polymer has arms made of polymers derived from a mixture of one or more mono-functional monomers, where the star contains at least three arms bonded to the core. The invention further relates to lubricating compositions containing an oil of lubricating viscosity and the described star polymers as well as methods of lubricating a mechanical device with the described lubricating compositions.
摘要翻译： 本发明涉及具有由由一种或多种多官能单体和一种或多种单官能单体的混合物衍生的聚合物的交联网络构成的核的星形聚合物，并且其中星形聚合物具有由源自 一种或多种单官能单体的混合物，其中星形体包含至少三个结合到芯上的臂。 本发明还涉及含有润滑粘度的油和所述星形聚合物的润滑组合物以及用所述润滑组合物润滑机械装置的方法。
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公开(公告)号：US20180037839A1
公开(公告)日：2018-02-08
申请号：US15783079
申请日：2017-10-13
IPC分类号： C10M145/14 , C10M177/00 , C08L53/00 , C08F293/00 , C08F2/38
CPC分类号： C10M145/14 , C08F2/38 , C08F293/005 , C08F2438/03 , C08L53/00 , C10M177/00 , C10M2209/084 , C10M2217/023 , C10M2217/024 , C10M2217/028 , C10N2220/021 , C10N2220/029 , C10N2230/02 , C10N2230/04 , C10N2230/08 , C10N2230/68 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2240/08 , C10N2240/10 , C10N2270/00 , C08L2666/02 , C08L2666/04
摘要： The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer.
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公开(公告)号：US09410104B2
公开(公告)日：2016-08-09
申请号：US13786947
申请日：2013-03-06
发明人： Mark R. Baker , Marina Baum , Barton J. Schober
IPC分类号： C10M143/00 , C10M163/00 , C10M141/10 , C07F9/165 , C10M135/36 , C10M119/12 , C10M161/00
CPC分类号： C10M119/12 , C10M161/00 , C10M2209/084 , C10M2215/28 , C10M2219/022 , C10M2223/043 , C10M2227/061 , C10M2227/062 , C10N2220/029 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2260/14
摘要： The invention provides a lubricating composition containing (a) a polymer derived from greater than 50 wt % or more of a non-diene monomer, wherein the polymer has a weight average molecular weight of about 2000 to about 200,000, and wherein the polymer has a shear stability index of about 0 to about 25; (b) a phosphorus-containing acid, salt, or ester; (c) an extreme pressure agent, other than a phosphorus-containing acid, salt, or ester; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.
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公开(公告)号：US20180208696A1
公开(公告)日：2018-07-26
申请号：US15926581
申请日：2018-03-20
发明人： John R. Johnson , Barton J. Schober
IPC分类号： C08F265/06 , C08F222/10 , C08F293/00 , C10M145/14 , C08F220/18
CPC分类号： C08F265/06 , C08F220/18 , C08F222/1006 , C08F293/005 , C08F2438/03 , C10M145/14 , C10M2209/084 , C10N2220/021 , C10N2220/029 , C10N2240/04 , C10N2240/08 , C10N2240/10
摘要： The present invention relates to star polymer having a core made up of a crosslinked network of polymers derived from a mixture of one or more multi-functional monomers and one or more mono-functional monomers and where the star polymer has arms made of polymers derived from a mixture of one or more mono-functional monomers, where the star contains at least three arms bonded to the core. The invention further relates to lubricating compositions containing an oil of lubricating viscosity and the described star polymers as well as methods of lubricating a mechanical device with the described lubricating compositions.
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公开(公告)号：US20170088789A1
公开(公告)日：2017-03-30
申请号：US15126739
申请日：2015-02-24
发明人： Bryan A. Grisso , Daniel C. Visger , David Price , Barton J. Schober , William J. Dimitrakis , David Cressey , Kondunthirapully S. Padmanabhan , Daniel J. Knapton
IPC分类号： C10M157/00 , C10M157/04
CPC分类号： C10M157/00 , C10M157/04 , C10M2205/024 , C10M2205/026 , C10M2205/028 , C10M2209/084 , C10M2217/06 , C10M2223/045 , C10M2227/00 , C10N2220/021 , C10N2220/022 , C10N2220/029 , C10N2230/02 , C10N2230/04 , C10N2230/06 , C10N2230/68 , C10N2240/04 , C10N2240/08 , C10N2240/10 , C10N2240/104 , C10N2270/00 , C10M2205/022
摘要： 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.
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公开(公告)号：US20170058072A1
公开(公告)日：2017-03-02
申请号：US15348364
申请日：2016-11-10
发明人： Daniel C. Visger , Mark Davies , David Price , Marina Baum , Barton J. Schober
IPC分类号： C08F293/00 , C10M145/14 , C08G83/00
CPC分类号： C08F293/005 , C08F293/00 , C08F2438/01 , C08F2438/03 , C08F2500/04 , C08G83/005 , C10M145/14 , C10M2205/04 , C10M2209/084 , C10M2217/024 , C10M2217/028 , C10N2220/021 , C10N2220/022 , C10N2220/029 , C10N2230/02 , C10N2230/68 , C10N2240/042
摘要： The invention provides a composition comprising: (a) a star polymer comprising: (i) a core portion comprising a polyvalent (meth) acrylic monomer, oligomer or polymer thereof or a polyvalent divinyl non-acrylic monomer, oligomer or polymer thereof; and (ii) at least two arms of polymerized alkyl (meth)acrylate ester; and (b) an oil of lubricating viscosity, wherein the core portion further comprises a functional group of formula (I): —CH2—C(R1)(C(═O)A)-Y— (I) wherein R1 is hydrogen, a linear or branched alkyl group containing 1 to 5 carbon atoms; A is nitrogen or oxygen; and Y is a free radical leaving group selected from the group consisting of one or more atoms or groups of atoms which may be transferred by a radical mechanism under the polymerisation conditions, a halogen, an —O—N═ group and an —S—C(═S)— group. The invention further provides the use of the composition in an oil of lubricating viscosity as a dispersant, a viscosity modifier or a precursor to a dispersant viscosity modifier.
摘要翻译： 其中R1是氢，含1至5个碳原子的直链或支链烷基; A是氮或氧; 并且Y是选自一个或多个原子或原子基团的自由基离去基团，其可以在聚合条件下通过自由基机理转移，卤素，-O-N =基团和-S- C（= S） - 组。 本发明还提供了组合物在润滑粘度油中作为分散剂，粘度调节剂或分散剂粘度调节剂前体的用途。
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公开(公告)号：US20130310291A1
公开(公告)日：2013-11-21
申请号：US13936445
申请日：2013-07-08
IPC分类号： C10M145/14
CPC分类号： C10M145/14 , C08F2/38 , C08F293/005 , C08F2438/03 , C08L53/00 , C10M177/00 , C10M2209/084 , C10M2217/023 , C10M2217/024 , C10M2217/028 , C10N2220/021 , C10N2220/029 , C10N2230/02 , C10N2230/04 , C10N2230/08 , C10N2230/68 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2240/08 , C10N2240/10 , C10N2270/00 , C08L2666/02 , C08L2666/04
摘要： The present invention provides a process for preparing a polymer, employing the steps of: (1) contacting a free radical initiator; a chain transfer agent containing a thiocarbonyl thio group and a free radical leaving group; and a radically polymerisable monomer, to form a polymer chain; and (2) contacting the polymer chain of step (1) with at least one of a polyvalent coupling agent, a polymerisation inhibitor, a grafting acylating agent, an amine and an oil of lubricating viscosity. The invention further provides compositions and uses for the polymer.
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