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公开(公告)号：US20210017364A1
公开(公告)日：2021-01-21
申请号：US16928806
申请日：2020-07-14
摘要： An impact copolymer composition comprising a continuous phase comprising polypropylene and from 10 wt % to 80 wt % of a dispersed phase, based on the total amount of the composition, comprising a copolymer of ethylene and a C4-C8 alpha-olefin, the dispersed phase having an average particle size of less than 500 nm. A process for making is also disclosed.
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公开(公告)号：US20190233755A1
公开(公告)日：2019-08-01
申请号：US16253108
申请日：2019-01-21
IPC分类号： C10M119/02 , C10M169/02 , C10M101/00 , C10M105/04
CPC分类号： C10M119/02 , C10M101/00 , C10M105/04 , C10M169/02 , C10M2203/003 , C10M2203/024 , C10M2205/028 , C10N2220/021 , C10N2220/028 , C10N2250/08 , C10N2250/10
摘要： Bottlebrush poly(alpha olefin)s of high carbon number, greater than 12 such as poly(octadecene), are used as a thickener for a synthetic base oil grease lubricant that is based on oligomerized alpha olefin with carbon number from 7 to 12, such as oligo(decene). Dispersion aids are not required in the present lubricants because poly(octadecene) can be dissolved in oligo(decene). The lubricant is a solid grease formed by percolation/network of the poly(octadecene) crystals, at a sufficient concentration, after the crystallization of poly(octadecene), and water resistant having oxidation/high temperature stability.
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公开(公告)号：US09815946B2
公开(公告)日：2017-11-14
申请号：US14900679
申请日：2014-07-15
发明人： Yong Yang , Carlos R. Lopez-Barron
CPC分类号： C08G81/028 , C08G65/38 , C08G69/48 , C08G81/025
摘要： Disclosed herein is a method to stabilize a poly(arylene ether) comprising combining a neat or diluted poly(arylene ether) with a vinyl or vinylidene-terminated polyolefin at a temperature of at least 80° C. to form heated reaction components; combining a Brφnsted acid or Lewis acid with the heated reaction components; and isolating a polyolefin-poly(arylene ether) copolymer composition.
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公开(公告)号：US20210017361A1
公开(公告)日：2021-01-21
申请号：US16928817
申请日：2020-07-14
摘要： A thermoplastic vulcanizate composition, comprising a first phase bi-continuously intertwined with from about 10 wt % to 80 wt % of a second phase throughout the composition, and from about 0.1 wt % to about 10 wt % of a curative system, the first phase comprising polypropylene and the second phase comprising an at least partially cured elastomeric rubber composition, comprising from about 10 wt % to about 40 wt % ethylene, from about 5 wt % to about 10 wt % of a conjugated diene having from 4 to 12 carbon atoms, and from about 50 wt % to about 85 wt % of a C4-C8 alpha olefin, based on the total weight of the elastomeric rubber composition present. A process for making is also disclosed.
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公开(公告)号：US10472437B2
公开(公告)日：2019-11-12
申请号：US15808096
申请日：2017-11-09
IPC分类号： C08F112/32 , C08L25/04
摘要： Disclosed is an article comprising polymers and copolymers selected from the group consisting of poly(vinylbiphenyl), poly(vinylcyclohexylstyrene), substituted versions thereof, and blends thereof, the polymer or copolymer having a weight average molecular weight (Mw) of at least 100 kg/mole and a glass transition temperature (Tg) of at least 100° C. The polymers are desirably processed in the melted state at a temperature of at least 150° C. to impart orientation and extensional strain hardening.
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公开(公告)号：US09879104B2
公开(公告)日：2018-01-30
申请号：US15083479
申请日：2016-03-29
发明人： John F. Walzer, Jr. , Anna A. Michels , John R. Hagadorn , Sarah J. Mattler , Carlos R. Lopez-Barron , Anthony J. Dias
IPC分类号： C08F210/02
CPC分类号： C08F210/02 , C08F236/08 , C08F2500/03 , C08F4/545
摘要： This invention relates to a process to using an aminopyridinate scandium or yttrium metal (typically scandium) catalyst compound to produce ethylene conjugated diene copolymers, preferably ethylene isoprene copolymers having: 1) from 75 to 90 mol % ethylene; 2) from 10 to 25 mol % isoprene; 3) a Tg of 0° C. or less; 4) 1,4 isomer present at 60 wt % or less; 5) 3,4 and 1,2 present at 40% or more; 6) Mn of 250,000 g/mol or less; and 7) optionally, a Tm of 100° C. or less.
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7.发明申请Process to Produce Ethylene Conjugated Diene Copolymers and Copolymers Therefrom 有权生产乙烯共轭二烯共聚物和共聚物的方法公开(公告)号：US20160319057A1
公开(公告)日：2016-11-03
申请号：US15083479
申请日：2016-03-29
发明人： John F. Walzer, JR. , Anna A. Michels , John R. Hagadorn , Sarah J. Mattler , Carlos R. Lopez-Barron , Anthony J. Dias
IPC分类号： C08F210/02
CPC分类号： C08F210/02 , C08F236/08 , C08F2500/03 , C08F4/545
摘要： This invention relates to a process to using an aminopyridinate scandium or yttrium metal (typically scandium) catalyst compound to produce ethylene conjugated diene copolymers, preferably ethylene isoprene copolymers having: 1) from 75 to 90 mol % ethylene; 2) from 10 to 25 mol % isoprene; 3) a Tg of 0° C. or less; 4) 1,4 isomer present at 60 wt % or less; 5) 3,4 and 1,2 present at 40% or more; 6) Mn of 250,000 g/mol or less; and 7) optionally, a Tm of 100° C. or less.
摘要翻译： 本发明涉及一种使用氨基吡啶鎓钪或钇金属（通常为钪）催化剂化合物制备乙烯共轭二烯共聚物，优选乙烯异戊二烯共聚物的方法，该共聚物具有：1）75至90mol％的乙烯; 2）10-25mol％异戊二烯; 3）Tg为0℃以下; 4）存在于60重量％以下的1,4-异构体; 5）3,4和1,2存在于40％以上; 6）Mn为25万g / mol以下; 和7）任选地，Tm为100℃或更低。
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8.发明申请公开(公告)号：US20220315680A1
公开(公告)日：2022-10-06
申请号：US17636194
申请日：2020-07-27
发明人： Nikola S. Lambic , Tzu-Pin Lin , Lubin Luo , Maksim Shivokhin , Laughlin G. McCullough , Carlos R. Lopez-Barron
IPC分类号： C08F210/06 , C08F110/06 , C07F17/00
摘要： The present disclosure provides catalyst compounds comprising asymmetric bridged metallocenes containing a ligand having at least one saturated ring, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the present disclosure can include indacenyl-type ligands. In another class of embodiments, the present disclosure is directed to polymerization processes to produce polyolefin polymers from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support.
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9.发明授权公开(公告)号：US10246542B2
公开(公告)日：2019-04-02
申请号：US15214133
申请日：2016-07-19
发明人： Andy H. Tsou , George Rodriguez , Carlos R. Lopez-Barron , Donna J. Crowther , Hillary L. Bradshaw , Antonios K. Doufas
IPC分类号： C08L23/08 , C08L23/12 , C08F290/04 , C08F10/06 , C08F4/659
摘要： An atactic polypropylene comb-block polyolefin comprising two blocks including a polyolefin backbone and atactic polypropylene combs pendant to the backbone having a weight average molecular weight of at least 8000 g/mole and a crystallinity of less than 20%, where the atactic polypropylene comb-block polyolefin has comb number of at least 2. The atactic polypropylene comb-block polyolefin is made by contacting at a temperature within a range from 20 to 70° C. propylene with a first metallocene precursor to form vinyl-terminated atactic polypropylene to form vinyl-terminated atactic polypropylene, then contacting at a temperature within a range from 40 to 150° C. the vinyl-terminated atactic polypropylene with ethylene, propylene, or both and a second metallocene precursor to form the backbone.
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公开(公告)号：US20180305512A1
公开(公告)日：2018-10-25
申请号：US15946526
申请日：2018-04-05
IPC分类号： C08J9/22 , C08F212/08 , C08F236/04
CPC分类号： C08J9/22 , C08F212/08 , C08F236/04 , C08F2500/01 , C08F2500/03 , C08F2500/17 , C08J2203/184 , C08J2205/06
摘要： Strain-induced articles such as foamed, blow molded, or thermoformed articles comprising styrenic copolymers such as poly(vinylbiphenyl-co-styrene) having improved strain hardening and extensional viscosity for foaming and other applications, having a weight average molecular weight (Mw) of at least 100 kg/mole, comprising within the range from 5 to 80 wt % styrene derived units, and a process to form such styrenic copolymers, the process comprising combining styrene, a second aryl-containing monomer such as 4-vinylbiphenyl, and an initiator.
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