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公开(公告)号:US20140162924A1
公开(公告)日:2014-06-12
申请号:US13709093
申请日:2012-12-10
IPC分类号: C10M119/02
CPC分类号: C10M143/12 , C10M2203/065 , C10M2205/0285 , C10M2205/06 , C10N2220/021 , C10N2220/029 , C10N2230/02 , C10N2230/54 , C10N2240/04 , C10N2240/044 , C10M2205/04
摘要: A method for improving the fuel economy of an automobile is disclosed. The method involves lubricating an automotive transmission system with a lubricant composition containing (a) an oil of lubricating viscosity; (b) a viscosity modifying polymer comprising linear polymers characterized by the formula: D′-PA-D″; and star polymers characterized by the formula: (D′-PA-D″)n-X; wherein D′, PA, D″ are polymer blocks as defined herein; and (c) a performance additive package.
摘要翻译: 公开了一种提高汽车燃油经济性的方法。 该方法包括用含有(a)润滑粘度的油的润滑剂组合物润滑汽车传动系统; (b)粘度改性聚合物,其包含由下式表示的直链聚合物:D'-PA-D“; 和由下式表示的星形聚合物(D'-PA-D“)n-X; 其中D',PA,D“是如本文所定义的聚合物嵌段; 和(c)性能添加剂包。
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公开(公告)号:US20130165362A1
公开(公告)日:2013-06-27
申请号:US13332750
申请日:2011-12-21
申请人: Sonia Oberoi , Stuart Briggs
发明人: Sonia Oberoi , Stuart Briggs
IPC分类号: C08F279/02 , C10L1/16
CPC分类号: C10M157/00 , C08C19/02 , C08F8/04 , C08L15/00 , C10M171/04 , C10M2203/065 , C10M2203/1025 , C10M2205/0285 , C10M2205/04 , C10M2205/06 , C10M2209/084 , C10N2220/021 , C10N2220/022 , C10N2220/027 , C10N2220/029 , C10N2220/033 , C10N2230/02 , C10N2230/54 , C10N2230/68 , C10N2240/04 , C10N2240/042 , C10N2240/102 , C10N2240/103 , C10N2260/02 , C10N2270/02
摘要: Polymers suitable for use as a viscosity index improver for lubricating oil compositions including linear polymers characterized by the formula: D′-PA-D″; and star polymers characterized by the formula: (D′-PA-D″)n-X; wherein D′ represents an “outer” block derived from diene having a number average molecular weight of from about 10,000 to about 120,000 daltons; PA represents a block derived from monoalkenyl arene having a number average molecular weight of from about 10,000 to about 50,000 daltons; D″ represents an inner random derived from diene having a number average molecular weight of from about 5,000 to about 60,000 daltons; n represents the average number of arms per star polymer formed by the reaction of 2 or more moles of a polyalkenyl coupling agent per mole of arms; and X represents a nucleus of a polyalkenyl coupling agent.
摘要翻译: 适合用作润滑油组合物的粘度指数改进剂的聚合物,包括以下式表示的线型聚合物:D'-PA-D“ 特征为:(D'-PA-D“)n-X的星形聚合物; 其中D'表示衍生自数均分子量为约10,000至约120,000道尔顿的二烯的“外”嵌段; PA表示衍生自数均分子量为约10,000至约50,000道尔顿的单烯基芳烃的嵌段; D“表示来自二烯的内部随机数,其数均分子量为约5,000至约60,000道尔顿; n表示每摩尔臂通过2摩尔或更多摩尔的多链烯基偶联剂反应形成的每颗星形聚合物的平均臂数; X表示多烯基偶联剂的核。
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公开(公告)号:US09133413B2
公开(公告)日:2015-09-15
申请号:US13332750
申请日:2011-12-21
申请人: Sonia Oberoi , Stuart Briggs
发明人: Sonia Oberoi , Stuart Briggs
IPC分类号: C10M173/02 , C10L1/16 , C10M157/00 , C10M171/04 , C08F8/04 , C08L15/00 , C08C19/02
CPC分类号: C10M157/00 , C08C19/02 , C08F8/04 , C08L15/00 , C10M171/04 , C10M2203/065 , C10M2203/1025 , C10M2205/0285 , C10M2205/04 , C10M2205/06 , C10M2209/084 , C10N2220/021 , C10N2220/022 , C10N2220/027 , C10N2220/029 , C10N2220/033 , C10N2230/02 , C10N2230/54 , C10N2230/68 , C10N2240/04 , C10N2240/042 , C10N2240/102 , C10N2240/103 , C10N2260/02 , C10N2270/02
摘要: Polymers suitable for use as a viscosity index improver for lubricating oil compositions including linear polymers characterized by the formula: D′-PA-D″; and star polymers characterized by the formula: (D′-PA-D″)n-X; wherein D′ represents an “outer” block derived from diene having a number average molecular weight of from about 10,000 to about 120,000 daltons; PA represents a block derived from monoalkenyl arene having a number average molecular weight of from about 10,000 to about 50,000 daltons; D″ represents an inner random derived from diene having a number average molecular weight of from about 5,000 to about 60,000 daltons; n represents the average number of arms per star polymer formed by the reaction of 2 or more moles of a polyalkenyl coupling agent per mole of arms; and X represents a nucleus of a polyalkenyl coupling agent.
摘要翻译: 适合用作润滑油组合物的粘度指数改进剂的聚合物,包括由下列通式表示的直链聚合物:D'-PA-D“; 和由下式表示的星形聚合物(D'-PA-D“)n-X; 其中D'表示衍生自数均分子量为约10,000至约120,000道尔顿的二烯的“外”嵌段; PA表示衍生自数均分子量为约10,000至约50,000道尔顿的单烯基芳烃的嵌段; D“表示来自二烯的内部随机数,其数均分子量为约5,000至约60,000道尔顿; n表示每摩尔臂通过2摩尔或更多摩尔的多链烯基偶联剂反应形成的每颗星形聚合物的平均臂数; X表示多烯基偶联剂的核。
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公开(公告)号:US08101680B1
公开(公告)日:2012-01-24
申请号:US12902574
申请日:2010-10-12
申请人: Vaidyanath Ramakrishan , Parnasree Maiti , Sonia Oberoi , Soumyadeb Ghosh , Theodorus Lambertus Hoeks , Ning Hao , Hans Looij
发明人: Vaidyanath Ramakrishan , Parnasree Maiti , Sonia Oberoi , Soumyadeb Ghosh , Theodorus Lambertus Hoeks , Ning Hao , Hans Looij
IPC分类号: C08K3/22
摘要: Methods of forming nanocomposites comprising a polymer and metal nanoparticles are disclosed. The nanoparticles are disposed within a matrix of the polymer. In particular, the nanoparticles are formed in situ in an extruder. The methods comprise providing a reaction mixture comprising a polymer, a metal precursor, and a solvent and extruding the reaction mixture to form a polymer nanocomposite. The methods overcome nanoparticle dispersion issues arising from melt blending processes.
摘要翻译: 公开了形成包含聚合物和金属纳米颗粒的纳米复合材料的方法。 纳米颗粒设置在聚合物的基质内。 特别地,在挤出机中原位形成纳米颗粒。 所述方法包括提供包含聚合物,金属前体和溶剂的反应混合物并挤出反应混合物以形成聚合物纳米复合材料。 该方法克服了熔融共混过程引起的纳米粒子分散问题。
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公开(公告)号:US08389626B2
公开(公告)日:2013-03-05
申请号:US12057880
申请日:2008-03-28
IPC分类号: C08K3/08
CPC分类号: C08G64/307 , B82Y30/00 , C08J5/005 , C08J2369/00 , C08K3/08
摘要: Polycarbonate nanocomposites comprising a polycarbonate matrix having non-oxidized metal nanoparticles dispersed therein are disclosed. The polycarbonate nanocomposite is produced by a process comprising forming a reaction mixture comprising a dihydroxy compound, an activated carbonate, a metal precursor, and a solvent; and in-situ polymerizing the reaction mixture to form a nanocomposite comprising a polycarbonate matrix and metal nanoparticles dispersed therein. The metal precursor comprises a metal selected from a specified group. The nanocomposites have improved mechanical, optical, electrical and/or magnetic properties. Also disclosed are articles formed from such polycarbonate nanocomposites.
摘要翻译: 公开了包含其中分散有非氧化金属纳米颗粒的聚碳酸酯基体的聚碳酸酯纳米复合材料。 聚碳酸酯纳米复合材料通过包括形成包含二羟基化合物,活性碳酸酯,金属前体和溶剂的反应混合物的方法制备; 并原位聚合该反应混合物以形成包含分散在其中的聚碳酸酯基质和金属纳米颗粒的纳米复合材料。 金属前体包含选自指定基团的金属。 纳米复合材料具有改进的机械,光学,电学和/或磁性能。 还公开了由这种聚碳酸酯纳米复合材料形成的制品。
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公开(公告)号:US20120149839A1
公开(公告)日:2012-06-14
申请号:US12057880
申请日:2008-03-28
CPC分类号: C08G64/307 , B82Y30/00 , C08J5/005 , C08J2369/00 , C08K3/08
摘要: Polycarbonate nanocomposites comprising a polycarbonate matrix having non-oxidized metal nanoparticles dispersed therein are disclosed. The polycarbonate nanocomposite is produced by a process comprising forming a reaction mixture comprising a dihydroxy compound, an activated carbonate, a metal precursor, and a solvent; and in-situ polymerizing the reaction mixture to form a nanocomposite comprising a polycarbonate matrix and metal nanoparticles dispersed therein. The metal precursor comprises a metal selected from a specified group. The nanocomposites have improved mechanical, optical, electrical and/or magnetic properties. Also disclosed are articles formed from such polycarbonate nanocomposites.
摘要翻译: 公开了包含其中分散有非氧化金属纳米颗粒的聚碳酸酯基体的聚碳酸酯纳米复合材料。 聚碳酸酯纳米复合材料通过包括形成包含二羟基化合物,活性碳酸酯,金属前体和溶剂的反应混合物的方法制备; 并原位聚合该反应混合物以形成包含分散在其中的聚碳酸酯基质和金属纳米颗粒的纳米复合材料。 金属前体包含选自指定基团的金属。 纳米复合材料具有改进的机械,光学,电学和/或磁性能。 还公开了由这种聚碳酸酯纳米复合材料形成的制品。
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