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公开(公告)号：US11192966B2
公开(公告)日：2021-12-07
申请号：US16462370
申请日：2017-11-28
IPC分类号： C08F120/44 , D01F6/18 , C08F220/44
摘要： The present invention relates to a process for the production of polyacrylonitrile by polymerisation of a reaction mixture comprising acrylonitrile in a solution where the solvent is a eutectic system comprising a quaternary ammonium compound and a hydrogen donor. Such process allows for the production of a polyacrylonitrile having a desirably high molecular weight, whilst polymerisation time is reduced, and where the solvents are environmentally benign, biodegradable and may be reused in the polymerisation process.
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公开(公告)号：US20190276569A1
公开(公告)日：2019-09-12
申请号：US16462370
申请日：2017-11-28
IPC分类号： C08F120/44 , D01F6/18
摘要： The present invention relates to a process for the production of polyacrylonitrile by polymerisation of a reaction mixture comprising acrylonitrile in a solution where the solvent is a eutectic system comprising a quaternary ammonium compound and a hydrogen donor. Such process allows for the production of a polyacrylonitrile having a desirably high molecular weight, whilst polymerisation time is reduced, and where the solvents are environmentally benign, biodegradable and may be reused in the polymerisation process.
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公开(公告)号：US10961377B2
公开(公告)日：2021-03-30
申请号：US16617232
申请日：2018-05-25
发明人： Sangita Nandi , Rukmini Khatokar , Anirban Ganguly , Debasish Banerjee , Susanta Mitra , Stephen D. Pask
IPC分类号： C08L23/16
摘要： The present invention relates to a process for the production of an ethylene-propylene-diene terpolymer (EPDM) composition in a reaction vessel comprising the following steps in this order: (a) supplying a quantity of a first composition comprising an ethylene copolymer or a propylene copolymer and a first peroxide to the reaction vessel; (b) supplying a quantity of a second composition comprising EPDM and a second peroxide to the reaction vessel; or (a) supplying a quantity of a second composition comprising EPDM and a second peroxide to the reaction vessel; (b) supplying a quantity of a first composition comprising an ethylene copolymer or a propylene copolymer and a first peroxide to the reaction vessel; and (c) exposing the contents of the reaction vessel under stirring to a temperature of 100-200° C.; wherein the ethylene copolymer is a copolymer comprising polymeric units derived from ethylene and polymeric units derived from a mono-olefinic compound comprising 3 to 10 carbon atoms, and wherein the propylene copolymer is a copolymer comprising polymeric units derived from propylene and polymeric units derived from a mono-olefinic compound comprising 2 carbon atoms or 4-10 carbon atoms. Such process allows for the production of an oil-extended EPDM composition having a certain high Mooney viscosity whilst still using an EPDM as obtained from the polymerisation process having a relatively moderate Mooney viscosity.
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公开(公告)号：US10106675B2
公开(公告)日：2018-10-23
申请号：US15546345
申请日：2016-01-25
摘要： A rubber composition includes an elastomer component including a functionalized elastomer, a reinforcing filler, and a coupling agent. The functionalized elastomer includes an epoxy functional group, a hydroxy functional group, and a C1-C32 hydrocarbyl-substituted thio functional group. The hydroxy functional group and the C1-C32 hydrocarbyl-substituted thio functional group are vicinal functional groups.
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公开(公告)号：US11098192B2
公开(公告)日：2021-08-24
申请号：US16471344
申请日：2017-12-18
发明人： Susanta Mitra , Sharmila Muthukrishnan , Bander Al-Farhood , Debasish Banerjee , Chandrashekhar Lingannaiah , Sadasivam Gopalakrishnan
摘要： The present invention relates to a polymer composition comprising—polycarbonate; -(meth)acrylic polymer; and-≥1.0 and ≤10.0 wt % polyalkylene glycol with regard to the total weight of the polymer composition. Such polymer composition can be produced by for example a conventional compounding process using melt extrusion, wherein polycarbonates and PMMA can be converted into a polymer composition having the desired properties without need for using dedicated process equipment.
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6.发明申请公开(公告)号：US20200148870A1
公开(公告)日：2020-05-14
申请号：US16617232
申请日：2018-05-25
发明人： Sangita Nandi , Rukmini Khatokar , Anirban Ganguly , Debasish Banerjee , Susanta Mitra , Stephen D. Pask
IPC分类号： C08L23/16
摘要： The present invention relates to a process for the production of an ethylene-propylene-diene terpolymer (EPDM) composition in a reaction vessel comprising the following steps in this order: (a) supplying a quantity of a first composition comprising an ethylene copolymer or a propylene copolymer and a first peroxide to the reaction vessel; (b) supplying a quantity of a second composition comprising EPDM and a second peroxide to the reaction vessel; or (a) supplying a quantity of a second composition comprising EPDM and a second peroxide to the reaction vessel; (b) supplying a quantity of a first composition comprising an ethylene copolymer or a propylene copolymer and a first peroxide to the reaction vessel; and (c) exposing the contents of the reaction vessel under stirring to a temperature of 100-200° C.; wherein the ethylene copolymer is a copolymer comprising polymeric units derived from ethylene and polymeric units derived from a mono-olefinic compound comprising 3 to 10 carbon atoms, and wherein the propylene copolymer is a copolymer comprising polymeric units derived from propylene and polymeric units derived from a mono-olefinic compound comprising 2 carbon atoms or 4-10 carbon atoms. Such process allows for the production of an oil-extended EPDM composition having a certain high Mooney viscosity whilst still using an EPDM as obtained from the polymerisation process having a relatively moderate Mooney viscosity.
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7.发明授权Wear and friction properties of engineering thermoplastics with ultra-high molecular weight polyethylene 有权具有超高分子量聚乙烯的工程热塑性塑料的磨损和摩擦性能公开(公告)号：US09181430B2
公开(公告)日：2015-11-10
申请号：US14172145
申请日：2014-02-04
IPC分类号： C08F283/08 , C08L79/08 , C08L67/02 , C08L71/02 , C08L71/08 , C08L77/02 , C08L77/06 , C08L77/00
CPC分类号： C08L79/08 , C08L67/02 , C08L71/02 , C08L71/08 , C08L77/00 , C08L77/02 , C08L77/06 , C08L2207/068
摘要： Disclosed herein are compositions comprising a polymer comprising polyetherimide, polyetheretherketone, polyamide, polyoxyalkylene, or polyalkylene terephthalate, or a mixture thereof, and ultra-high molecular weight polyethylene, wherein the ultra-high molecular weight polyethylene comprises a surface modifier. Also disclosed are articles comprising one or more of the described compositions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
摘要翻译： 本文公开了包含聚醚酰亚胺，聚醚醚酮，聚酰胺，聚氧化烯或聚对苯二甲酸亚烷基酯或其混合物的聚合物和超高分子量聚乙烯的组合物，其中超高分子量聚乙烯包括表面改性剂。 还公开了包含一种或多种所述组合物的制品。 该摘要旨在作为用于在特定技术中进行搜索的扫描工具，而不意在限制本发明。
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公开(公告)号：US20240067819A1
公开(公告)日：2024-02-29
申请号：US18270563
申请日：2021-12-16
CPC分类号： C08L69/00 , C08L67/02 , C08L2205/025 , C08L2205/03 , C08L2205/035 , C08L2205/24 , C08L2207/20
摘要： The present invention relates to a heat resistant composition comprising polycarbonate and polyester, wherein said polyester comprises poly(ethylene terephthalate), that is substantially free of isophthalic acid moieties. The composition has a Vicat softening point, as determined by ISO-306 B120 at a load of 50N and a speed of 120° C./hr that is higher than the Vicat softening point of an otherwise identical composition wherein the poly(ethylene terephthalate) component contains isophthalic acid moieties. The present invention further relates to an article comprising or consisting of such a composition.
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公开(公告)号：US10131782B2
公开(公告)日：2018-11-20
申请号：US15505421
申请日：2015-09-03
摘要： Reinforced polyoxymethylene compositions including 50 to 90 wt. % of a polyoxymethylene; 10 to 50 wt. % of glass fibers, wherein the weight of the polyoxymethylene and the glass fibers total 100 wt. %; 1 to less than 4.0 wt. % of a (meth)acrylic polymer additive, based on the total weight of the polyoxymethylene and the glass fibers; 0.1 to 5 wt. %, preferably 0.1 to 2.5 wt. % of a heat stabilizer; and 0.1 to 5 wt. % of an antioxidant, wherein the amounts of the (meth)acrylic polymer additive, the heat stabilizer, and the antioxidant are based on the total weight of the polyoxymethylene and the glass fibers.
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公开(公告)号：US20180030249A1
公开(公告)日：2018-02-01
申请号：US15546345
申请日：2016-01-25
IPC分类号： C08L9/06
摘要： A rubber composition includes an elastomer component including a functionalized elastomer, a reinforcing filler, and a coupling agent. The functionalized elastomer includes an epoxy functional group, a hydroxy functional group, and a C1-C32 hydro-carbyl-substituted thio functional group. The hydroxy functional group and the C1-C32 hydrocarbyl-substituted thio functional group are vicinal functional groups.
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