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1. 发明授权

US09127151B2 Polymer compositions having improved properties as viscosity index improvers and use thereof in lubricating oils 有权
标题翻译：聚合物组合物具有改进的粘度指数改进剂的性能及其在润滑油中的用途
公开(公告)号：US09127151B2
公开(公告)日：2015-09-08
申请号：US13365678
申请日：2012-02-03
申请人： Phillip T. Matsunaga , Kirk A. Nass , Pritesh A. Patel , Rainer Kolb , Sudhin Datta
发明人： Phillip T. Matsunaga , Kirk A. Nass , Pritesh A. Patel , Rainer Kolb , Sudhin Datta
IPC分类号： C10M111/04 , C07F5/04 , C08L23/16 , C10M143/04
CPC分类号： C08L23/16 , C10M143/04 , C10M2205/022 , C10N2220/021 , C10N2220/023 , C10N2230/02 , C10N2240/10 , C10M2205/028 , C10M2205/024 , C10M2205/026
摘要： Polymer compositions for use as viscosity modifiers comprising at least two ethylene-based copolymer components are provided. The polymer composition comprises (a) a first ethylene-α-olefin copolymer and (b) a second ethylene-α-olefin copolymer. The first ethylene-α-olefin copolymer (a) has an ethylene content from about 60 to about 80 wt % and the second ethylene-α-olefin copolymer (b) has an ethylene content of less than about 60 wt %. The first ethylene-α-olefin copolymer (a) has a Melt Flow Rate Ratio (MFRR), defined as the ratio of the MFR measured at 230° C./21.6 kg and at 230° C./2.16 kg, of greater than 30 and optionally also has a Melt Flow Rate (MFR) of at least about 1.5 g/10 min, measured by ASTM D 1238 condition L (230° C./2.16 kg). The present disclosure is also directed to lubricant compositions comprising a lubricating basestock and a polymer composition of the present disclosure and is further directed to reducing gelation in the lubricant compositions.
摘要翻译：提供用作包含至少两种基于乙烯的共聚物组分的粘度调节剂的聚合物组合物。聚合物组合物包含（a）第一乙烯-α-烯烃共聚物和（b）第二乙烯-α-烯烃共聚物。第一乙烯-α-烯烃共聚物（a）的乙烯含量为约60至约80重量％，第二乙烯-α-烯烃共聚物（b）的乙烯含量小于约60重量％。第一乙烯-α-烯烃共聚物（a）具有熔体流动速率比（MFRR），其定义为在230℃/ 21.6kg和230℃/ 2.16kg下测得的MFR的比值大于 30，并且任选地还具有通过ASTM D 1238条件L（230℃/ 2.16kg）测量的至少约1.5g / 10min的熔体流动速率（MFR）。本公开还涉及包含润滑基料和本发明的聚合物组合物的润滑剂组合物，并进一步涉及减少润滑剂组合物中的凝胶化。

2. 发明申请

US20130203640A1 POLYMER COMPOSITIONS HAVING IMPROVED PROPERTIES AS VISCOSITY INDEX IMPROVERS AND USE THEREOF IN LUBRICATING OILS 有权
标题翻译：具有改进性能的聚合物组合物作为粘度指数改进和在润滑油中的应用
公开(公告)号：US20130203640A1
公开(公告)日：2013-08-08
申请号：US13365678
申请日：2012-02-03
申请人： Phillip T. Matsunaga , Kirk A. Nass , Pritesh A. Patel , Rainer Kolb , Sudhin Datta
发明人： Phillip T. Matsunaga , Kirk A. Nass , Pritesh A. Patel , Rainer Kolb , Sudhin Datta
IPC分类号： C08L23/08 , C10M143/02 , C10M143/04 , C08L23/16
CPC分类号： C08L23/16 , C10M143/04 , C10M2205/022 , C10N2220/021 , C10N2220/023 , C10N2230/02 , C10N2240/10 , C10M2205/028 , C10M2205/024 , C10M2205/026
摘要： Polymer compositions for use as viscosity modifiers comprising at least two ethylene-based copolymer components are provided. The polymer composition comprises (a) a first ethylene-α-olefin copolymer and (b) a second ethylene-α-olefin copolymer. The first ethylene-α-olefin copolymer (a) has an ethylene content from about 60 to about 80 wt % and the second ethylene-α-olefin copolymer (b) has an ethylene content of less than about 60 wt %. The first ethylene-α-olefin copolymer (a) has a Melt Flow Rate Ratio (MFRR), defined as the ratio of the MFR measured at 230° C./21.6 kg and at 230° C./2.16 kg, of greater than 30 and optionally also has a Melt Flow Rate (MFR) of at least about 1.5 g/10 min, measured by ASTM D 1238 condition L (230° C./2.16 kg). The present disclosure is also directed to lubricant compositions comprising a lubricating basestock and a polymer composition of the present disclosure and is further directed to reducing gelation in the lubricant compositions.
摘要翻译：提供用作包含至少两种基于乙烯的共聚物组分的粘度调节剂的聚合物组合物。聚合物组合物包含（a）第一乙烯-α-烯烃共聚物和（b）第二乙烯-α-烯烃共聚物。第一乙烯-α-烯烃共聚物（a）的乙烯含量为约60至约80重量％，第二乙烯-α-烯烃共聚物（b）的乙烯含量小于约60重量％。第一乙烯-α-烯烃共聚物（a）具有熔体流动速率比（MFRR），其定义为在230℃/ 21.6kg和230℃/ 2.16kg下测得的MFR的比例大于 30，并且任选地还具有通过ASTM D 1238条件L（230℃/ 2.16kg）测量的至少约1.5g / 10min的熔体流动速率（MFR）。本公开还涉及包含润滑基料和本发明的聚合物组合物的润滑剂组合物，并进一步涉及减少润滑剂组合物中的凝胶化。

3. 发明授权

US09200232B2 Rheological methods to determine the predisposition of a polymer to form network or gel 有权
标题翻译：确定聚合物形成网络或凝胶的倾向的流变学方法
公开(公告)号：US09200232B2
公开(公告)日：2015-12-01
申请号：US13605677
申请日：2012-09-06
申请人： Rainer Kolb , Sudhin Datta , Pritesh A. Patel , Kirk A. Nass
发明人： Rainer Kolb , Sudhin Datta , Pritesh A. Patel , Kirk A. Nass
IPC分类号： C10L1/18 , C10L1/16 , C10M143/08 , G01N11/16 , G01N11/00
CPC分类号： C10M143/08 , C10M2205/0285 , C10N2230/02 , G01N11/16 , G01N2011/0033
摘要： A method is provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, measuring the shear stress as a function of shear rate, determining the yield stress using the Herschel-Bulkley equation and assessing the yield stress. A method is also provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, determining at least one of (i) the storage modulus G′ and loss modulus G″ of the composition by subjecting the composition to sinusoidal (oscillating) stress or strain of certain amplitude and frequency, (ii) the phase lag (angle) of the response strain or stress δ, or (iii) the tangent (tan) δ, and (c) assessing at least one of the G′, G″, δ, or tan(δ) determined.
摘要翻译：提供了一种确定聚合物在润滑油中形成网络或凝胶的倾向的方法，其包括在稀释剂中获得聚合物的组成，测量作为剪切速率的函数的剪切应力，使用赫歇尔测定屈服应力 -Bulkley方程并评估屈服应力。还提供了一种确定聚合物在润滑油中形成网络或凝胶的倾向的方法，其包括获得稀释剂中聚合物的组成，确定以下中的至少一个：（i）储能模量G'和损耗模量G 通过使组合物经受一定幅度和频率的正弦（振荡）应力或应变，（ii）响应应变或应力δ的相位滞后（角度），或（iii）正切（tanδ）δ，和（c）评估确定的G'，G“，δ或tan（δ）中的至少一个。

4. 发明申请

US20130085092A1 RHEOLOGICAL METHODS TO DETERMINE THE PREDISPOSITION OF A POLYMER TO FORM NETWORK OR GEL 有权
标题翻译：测定聚合物形成网络或凝胶的流变学方法
公开(公告)号：US20130085092A1
公开(公告)日：2013-04-04
申请号：US13605677
申请日：2012-09-06
申请人： Rainer Kolb , Sudhin Datta , Pritesh A. Patel , Kirk A. Nass
发明人： Rainer Kolb , Sudhin Datta , Pritesh A. Patel , Kirk A. Nass
IPC分类号： G01N19/00 , G06F19/00 , C10M143/02
CPC分类号： C10M143/08 , C10M2205/0285 , C10N2230/02 , G01N11/16 , G01N2011/0033
摘要： A method is provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, measuring the shear stress as a function of shear rate, determining the yield stress using the Herschel-Bulkley equation and assessing the yield stress. A method is also provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, determining at least one of (i) the storage modulus G′ and loss modulus G″ of the composition by subjecting the composition to sinusoidal (oscillating) stress or strain of certain amplitude and frequency, (ii) the phase lag (angle) of the response strain or stress δ, or (iii) the tangent (tan) δ, and (c) assessing at least one of the G′, G″, δ, or tan(δ) determined.
摘要翻译：提供了一种确定聚合物在润滑油中形成网络或凝胶的倾向的方法，其包括在稀释剂中获得聚合物的组成，测量作为剪切速率的函数的剪切应力，使用赫歇尔测定屈服应力 -Bulkley方程并评估屈服应力。还提供了一种确定聚合物在润滑油中形成网络或凝胶的倾向的方法，其包括获得稀释剂中聚合物的组成，确定以下中的至少一个：（i）储能模量G'和损耗模量G 通过使组合物经受一定幅度和频率的正弦（振荡）应力或应变，（ii）响应应变或应力δ的相位滞后（角度），或（iii）正切（tanδ）δ，和（c）评估确定的G'，G“，δ或tan（δ）中的至少一个。

5. 发明申请

US20120015854A1 Olefinic Copolymer Compositions for Viscosity Modification of Motor Oil 审中-公开
标题翻译：用于汽油机油粘度改性的烯烃共聚物组合物
公开(公告)号：US20120015854A1
公开(公告)日：2012-01-19
申请号：US13056246
申请日：2008-08-08
申请人： Periagaram S. Ravishankar , Kirk A. Nass
发明人： Periagaram S. Ravishankar , Kirk A. Nass
IPC分类号： C10M169/04
CPC分类号： C10M143/04 , C08L23/04 , C08L23/0815 , C08L23/142 , C08L2205/06 , C10M2205/022 , C10M2205/024 , C10M2205/026 , C10M2205/028 , C10N2220/021 , C10N2230/02 , C10N2230/68 , C08L2666/06
摘要： Lube oil compositions and methods for making the same are provided. The lubricating oil composition can include at least one propylene-based polymer comprising 60 wt % to 98 wt % propylene derived units, other units derived from one or more other alpha olefins, and a base oil. The propylene-based polymer can have a triad tacticity of 90% or more, a heat of fusion of less than 80 J/g, and a weight average molecular weight (Mw) as measured by GPC of from 70,000 to 250,000.
摘要翻译：提供润滑油组合物及其制备方法。润滑油组合物可以包括至少一种丙烯类聚合物，其包含60重量％至98重量％的丙烯衍生单元，源自一种或多种其它α-烯烃的其它单元和基础油。基于丙烯的聚合物可以具有90％以上的三单元立构规整度，小于80J / g的熔融热和通过GPC测量的重均分子量（Mw）为70,000至250,000。

6. 发明申请

US20070149414A1 DISPERSANT VISCOSITY INDEX IMPROVERS HAVING HIGH ETHYLENE CONTENT AND LUBRICATING OIL COMPOSITIONS CONTAINING THE SAME 审中-公开
标题翻译：具有高乙烯含量的分散粘度指数改进剂和含有其的润滑油组合物
公开(公告)号：US20070149414A1
公开(公告)日：2007-06-28
申请号：US11553346
申请日：2006-10-26
申请人： William Ruhe , Kirk A. Nass , Richard E. Cherpeck , Jean-Roch Schauder
发明人： William Ruhe , Kirk A. Nass , Richard E. Cherpeck , Jean-Roch Schauder
IPC分类号： C10M149/10
CPC分类号： C10M159/005 , C10M149/00 , C10M2205/022 , C10M2205/024 , C10M2205/026 , C10M2205/028 , C10M2217/06 , C10M2221/04 , C10N2230/02 , C10N2230/04 , C10N2230/041 , C10N2240/10 , C10N2260/09
摘要： A polymeric composition is disclosed which contains an ethylene-alpha olefin copolymer backbone having at least 82 mole % ethylene and at most 18 mole % of an about C3 to about C28 alpla-monoolefin, wherein the alpha-monoolefin has a monomer distribution resulting from a RaRb product measured by 13C-NMR below 0.8 and a level of regio-inversions less than 2 per 1000 carbon atoms, and an amide group having the formula (I) and/or an imide group having the formula (II): wherein P is the ethylene-alpha olefin copolymer backbone, R1 is hydrogen or —CO—X′, R2 and R3 are independently hydrogen or —CH3, X and X′ are independently —OH, alkoxyl of 1 to about 24 carbon atoms, or a secondary or tertiary amine, provided that at least one of X and X′ is a secondary or tertiary amine, and Z is a tertiary amine, wherein Z and X and X′, when X and X′ are secondary or tertiary amines, are each independently derived from one or more amine compounds described herein.
摘要翻译：公开了一种聚合物组合物，其含有乙烯-α-烯烃共聚物主链，其具有至少82摩尔％的乙烯和至多18摩尔％的约C 3至约C 28 α-烯烃，其中所述α-单烯烃具有通过13 C-NMR测量的低于0.8的R aαB B B产物产生的单体分布和每1000个碳原子的区域反应水平小于2，以及具有式（I）的酰胺基和/或具有式（II）的酰亚胺基团：其中P是乙烯-α-烯烃共聚物主链，R 1是氢或-CO-X'，R 2和R 3独立地是氢或-CH 3 - X和X'独立地是-OH，1至约24个碳原子的烷氧基，或仲胺或叔胺，条件是X和X'中的至少一个是仲胺或叔胺，Z是叔胺，其中当X和X'为仲胺或叔胺时，Z和X和X'各自独立地表示衍生自本文所述的一种或多种胺化合物。

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