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公开(公告)号：US20150274907A1
公开(公告)日：2015-10-01
申请号：US14437868
申请日：2013-11-25
Applicant: EXXONMOBIL CHEMICAL PATENTS INC.
Inventor： Jeanne M. MacDonald , Antonios Doufas , Jerome Sarrazin , William M. Ferry , Charles J. Ruff , Rahul R. Kulkarni , Derek W. Thurman , Cynthia A. Mitchell
IPC: C08J5/18
CPC classification number: C08L23/12 , C08J5/18 , C08J2323/08 , C08J2323/12 , C08J2423/14 , C08L2205/025 , D01F6/06 , Y10T428/31938 , C08F110/06 , C08F2500/12 , C08F2500/17 , C08F2500/20 , C08F2500/03 , C08F210/06 , C08F210/16
Abstract: This invention relates in one aspect to propylene polymers comprising propylene, said polymers having a melt flow rate (MFR, ASTM 1238, 230° C., 2.16 kg) of 10 dg/min to 25 dg/min; a Dimensionless Stress Ratio/Loss Tangent Index R2 at 190° C. from 1.5 to 28; an average meso run length determined by 13C NMR of at least 70 or higher; and an MFR MFR Ratio of at least 1.0 and optionally, a Loss Tangent, tan δ, at an angular frequency of 0.1 rad/s at 190° C. from 14 to 100. The inventive propylene polymer compositions are useful in in molded articles and non-woven fibers and fabrics.
Abstract translation: 本发明在一个方面涉及包含丙烯的丙烯聚合物，所述聚合物的熔体流动速率（MFR，ASTM 1238,230℃，2.16kg）为10dg / min至25dg / min; 1.5°至28°190°C的无尺寸应力比/损耗切线指数R2; 由13 C NMR确定的平均中观游程长度至少为70或更高; MFR为190，MFR为190时，MFR为190以下，MFR为190以下，MFR为190以下，MFR为10以下，可选择为损耗角正切tanδ。本发明的丙烯类聚合物组合物可用于成形品， 无纺布纤维和织物。
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Patent Agency Ranking
公开(公告)号：US10100183B2
公开(公告)日：2018-10-16
申请号：US14437868
申请日：2013-11-25
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Jeanne M. MacDonald , Antonios Doufas , Jerome Sarrazin , William M. Ferry , Charles J. Ruff , Rahul R. Kulkarni , Derek W. Thurman , Cynthia A. Mitchell
Abstract: This invention relates in one aspect to propylene polymers comprising propylene, said polymers having a melt flow rate (MFR, ASTM 1238, 230° C., 2.16 kg) of 10 dg/min to 25 dg/min; a Dimensionless Stress Ratio/Loss Tangent Index R2 at 190° C. from 1.5 to 28; an average meso run length determined by 13C NMR of at least 70 or higher; and an MFR MFR Ratio of at least 1.0 and optionally, a Loss Tangent, tan δ, at an angular frequency of 0.1 rad/s at 190° C. from 14 to 100. The inventive propylene polymer compositions are useful in in molded articles and non-woven fibers and fabrics.
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3.发明授权Branched polyethylenes by hydrosilation grafting to improve processability of polyethylene 有权支化聚乙烯通过硅氢化硅烷接枝改善聚乙烯的加工性能公开(公告)号：US09527933B2
公开(公告)日：2016-12-27
申请号：US14031348
申请日：2013-09-19
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Rahul R. Kulkarni , Pradeep P. Shirodkar , Jianya Cheng , Donna J. Crowther
CPC classification number: C08F4/80 , C08F4/65908 , C08F4/65912 , C08F8/42 , C08F10/02 , C08F4/65927
Abstract: This invention relates to blends of polyalphaolefins (PAOs) and polyhydrosilane-modified polyolefins, methods to prepare the blends and methods to prepare polyhydrosilane-modified polyolefins.
Abstract translation: 本发明涉及聚α-烯烃（PAO）和聚氢硅烷改性聚烯烃的共混物，制备共混物的方法和制备聚氢硅烷改性聚烯烃的方法。
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公开(公告)号：US20170253701A1
公开(公告)日：2017-09-07
申请号：US14898908
申请日：2014-06-30
Applicant: EXXONMOBIL CHEMICAL PATENTS INC.
Inventor： Andy H. Tsou , Donna J. Crowther , Man Kit Ng , Tabassumul Haque , Hong Cheng , Patrick Brant , Martin N. Webster , Yong Yang , Liehpao O. Farng , Rahul R. Kulkarni
IPC: C08G77/442
CPC classification number: C08G77/442 , C08F283/12 , C08F290/06 , C08G77/28 , C08G77/392 , C08L83/10 , C08L83/08 , C08L23/12
Abstract: Described herein is a comb-star poly(siloxane-polyolefin) comprising the reaction product of at least vinyl-terminated macromer and functional-poly(dialkylsiloxanes) comprising 2 or more functional groups, wherein the comb-star poly(siloxane-polyolefin) has the following features: a g′(vis avg) of less than 0.80; a comb number of 2 or 3 or 4 to 30 or 40 or 50 or 100 or more; and a number average molecular weight (Mn) within the range of from 25,000 g/mole to 500,000 g/mole.
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5.发明申请HDPE Modified Polyethylene Blown Film Compositions Having Excellent Bubble Stability 审中-公开具有优异泡沫稳定性的HDPE改性聚乙烯吹膜组合物公开(公告)号：US20140155553A1
公开(公告)日：2014-06-05
申请号：US14086450
申请日：2013-11-21
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Pradeep P. Shirodkar , Jianya Cheng , Rahul R. Kulkarni
IPC: C08L23/08
CPC classification number: C08L23/0815 , C08J5/18 , C08J2323/08 , C08J2423/06 , C08L23/06 , C08L2203/16 , C08L2207/062
Abstract: The present invention relates to polyethylene compositions comprising one or more ethylene polymers and one or more HDPE modifiers, in particular, this invention further relates to polyethylene blends comprising one or more ethylene polymers and one or more HDPE modifiers, wherein the modifier has: 1) a density of greater than 0.94 g/cc; 2) a Mw/Mn greater than 5; 3) a melt index (ASTM 1238, 190° C., 2.16 kg) of less than 0.7 dg/min; and 4) a g′vis of 0.96 or less.
Abstract translation: 本发明涉及包含一种或多种乙烯聚合物和一种或多种HDPE改性剂的聚乙烯组合物，特别地，本发明还涉及包含一种或多种乙烯聚合物和一种或多种HDPE改性剂的聚乙烯共混物，其中改性剂具有：1） 密度大于0.94g / cc; 2）Mw / Mn大于5; 3）小于0.7dg / min的熔体指数（ASTM 1238,190℃，2.16kg）; 和4）g'vis为0.96以下。
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6.发明申请Branched Polyethylenes by Hydrosilation Grafting to Improve Processability of Polyethylene 有权支化聚乙烯通过氢化接枝改善聚乙烯的加工性能公开(公告)号：US20140088213A1
公开(公告)日：2014-03-27
申请号：US14031348
申请日：2013-09-19
Applicant: ExxonMobil Chemical Patents Inc.
Inventor： Rahul R. Kulkarni , Pradeep P. Shirodkar , Jianya Cheng , Donna J. Crowther
CPC classification number: C08F4/80 , C08F4/65908 , C08F4/65912 , C08F8/42 , C08F10/02 , C08F4/65927
Abstract: This invention relates to blends of polyalphaolefins (PAOs) and polyhydrosilane-modified polyolefins, methods to prepare the blends and methods to prepare polyhydrosilane-modified polyolefins.
Abstract translation: 本发明涉及聚α-烯烃（PAO）和聚氢硅烷改性聚烯烃的共混物，制备共混物的方法和制备聚氢硅烷改性聚烯烃的方法。
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