Patents Assigned to Beijing Research Institute of Chemical Industry China Petroleum & Chemical Corporation
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Publication number: 20140058044Abstract: Disclosed herein are polybutadiene grafted isoprene rubber, processes for preparing polybutadiene grafted isoprene rubber, mixed compositions and vulcanized forms thereof.Type: ApplicationFiled: August 19, 2013Publication date: February 27, 2014Applicants: Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical Corporation, China Petroleum & Chemical CorporationInventors: Aimin LIANG, Chuanqing LI, Wei SUN, Jie ZHANG, Lin XU, Ximing XIE, Guozhu YU, Jiangwei ZHAO, Yishuang XIN, Liangliang YANG, Jinmei TAN, Sufang OUYANG
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Publication number: 20130317176Abstract: The method for preparation of polyisoprene includes conducting polymerization reaction of isoprene in a first organic solvent under the presence of rare earth catalyst I and rare earth catalyst II, to obtain polyisoprene with bimodal molecular weight distribution, wherein the polymerization reaction conditions are controlled to ensure the peak molecular weight of the high molecular weight component fraction in the polyisoprene is 1×106-2×106 and the peak molecular weight of the low molecular weight component fraction is 2×105-4×105, and the weight ratio of content of the high molecular weight component fraction to the low molecular weight component fraction is 1-25:1. The molecular weight distribution of the polyisoprene obtained with the method provided is bimodal distribution; therefore, the polyisoprene not only has the mechanical properties of polyisoprene with high molecular weight, but also has the processability of polyisoprene with low molecular weight.Type: ApplicationFiled: May 28, 2013Publication date: November 28, 2013Applicants: Beijing Research Institute of Chemical Industry China Petroleum & Chemical Corporation, China Petroleum & Chemical CorporationInventors: Aimin LIANG, Jie Zhang, Jiangwei Zhao, Chuanqing Li, Lin Xu, Ximing Xie, Guozhu Yu, Sufang Ouyang, Jinmei Tan, Liangliang Yang, Wei Sun, Yishuang Xin
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Patent number: 8585890Abstract: This invention relates to a tubular cracking furnace, especially an ethylene cracking furnace, which comprises a convection section and a or dual radiant section(s), at least one heat transfer intensifying member arranged in at least one pass each radiant tube in said radiant section, said at least one heat transfer intensifying member comprises a first heat transfer intensifying member, which is arranged at a location between 10D and 25D upstream of the extreme point of said at least one pass radiant tube metal temperature, wherein D is the inner diameter of the radiant tube having heat transfer intensifying members. The present invention could achieve the best enhanced heat transfer result with given number of heat transfer intensifying member, by optimizing the locations of heat transfer intensifying members in the radiant tube.Type: GrantFiled: March 28, 2008Date of Patent: November 19, 2013Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Guoqing Wang, Lijun Zhang, Zhiguo Du, Shuo Chen, Zhaobin Zhang, Cong Zhou, Xianfeng Zhou
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Patent number: 8541333Abstract: A catalyst component for olefin polymerization comprising an ?-cyanosuccinate compound as an internal electron donor, a catalyst comprising the catalyst component, and use of the catalyst in olefin polymerization. When used in propylene polymerization, the catalyst can exhibit good catalytic activity and good hydrogen response, and the resulting polymer can have a good isotacticity and a good molecular weight distribution.Type: GrantFiled: August 13, 2010Date of Patent: September 24, 2013Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Lunjia Xie, Yongtai Ling, Yu Tian, Zaixing Feng, Siyuan Zhao, Qing Hu, Zhufang Sun, Yu Kang
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Publication number: 20130225773Abstract: A catalyst component for olefin polymerization which contains magnesium, titanium, halogen and electron donors is provided in the present invention. The electron donors are selected from at least one succinate compounds of following general formula (I), and the content of said succinate compounds with the structure as shown in Formula (II) in said succinate compounds (I) is less than 100%, but not less than 51.0 wt %. Compared with the mesomer whose content with the structure as shown in Formula (II) is 100%, the catalyst component provided by the present invention not only greatly decreases the manufacturing cost, but also improves certain properties of the catalyst, for example the molecular weight distribution of polymer obtained by catalytic reaction using said catalyst is wider, which is beneficial for improving processing properties of polymers. The corresponding catalyst is also provided.Type: ApplicationFiled: August 12, 2011Publication date: August 29, 2013Applicants: Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, China Petroleum & Chemical CorporationInventors: Mingzhi Gao, Changxiu Li, Haitao Liu, Xianzhong Li, Xiaofan Zhang, Xiaoxia Cai, Jianhua Chen, Jing Ma, Jixing Ma
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Publication number: 20130041130Abstract: The present invention relates to a transparent copolyester, wherein the transparent copolyester comprises an aliphatic-aromatic copolyester segment A, a segment B having repeating units —O—CH(CH3)—C(O)—, and structural units C derived from polyisocyanate(s), wherein the weight ratio for the segment A, segment B and structural unit C is 100:(100-2000):(0.1-10) and wherein the weight-average molecular weight Mw of the transparent copolyester is from 50,000 to 1,000,000. The present invention further relates to a preparation method for a transparent copolyester, including polymerizing lactide, a hydroxyl-terminated aliphatic-aromatic copolyester and a polyisocyanate in the presence of a catalyst; wherein the weight ratio for the aliphatic-aromatic copolyester, lactide and polyisocyanate is 100:(100-2000):(0.1-10). The present invention further relates to a transparent copolyester prepared by said method and an article made from the transparent copolyester according to present invention.Type: ApplicationFiled: August 9, 2012Publication date: February 14, 2013Applicants: Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical Corporation, China Petroleum & Chemical CorporationInventors: Ning XU, Guixiang Zhu, Wei Zhang, Ling Han, Yi Zou, Wenxi Ji
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Publication number: 20120329924Abstract: The present invention relates to a biodegradable composite and its preparation process, which composite is prepared by mixing feed stocks comprising a polylactic acid, an aliphatic-aromatic copolyester A, an aliphatic-aromatic copolyester B and an organic peroxide at a temperature between about 100 and about 200° C. The present invention also relates to a disposable article, which is prepared from said biodegradable composite.Type: ApplicationFiled: June 22, 2012Publication date: December 27, 2012Applicants: Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Guixiang ZHU, Wei ZHANG, Ling HAN, Ning XU, Yi ZOU, Wenxi JI
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Patent number: 8268945Abstract: A catalyst component for ethylene polymerization, comprising an organic silicon compound of the formula (I), below wherein R1 is chosen from C3-C20 aliphatic hydrocarbyl groups, and is substituted with at least one substituent chosen from halogens, C1-C6 acyloxy groups, epoxy, amino, C1-C6 alkylamino groups, di(C1-C6 alkyl)amino groups, C1-C6 alkoxy groups, and oxo group; R2, R3 and R4, which may be the same or different, are each chosen from C1-C10 aliphatic hydrocarbyl, C3-C10 alicyclic hydrocarbyl, C6-C10 aryl, C7-C10 aralkyl, and C7-C10 alkaryl groups. A process for preparing the catalyst component and an active catalyst comprising the catalyst component and useful in polymerization, such as ethylene polymerization.Type: GrantFiled: August 20, 2010Date of Patent: September 18, 2012Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Taoyi Zhang, Junling Zhou, Hongtao Wang, Zifang Guo, Qingqiang Gou, Hongxu Yang, Ruixia Li, Shiyuan Xu
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Publication number: 20120083613Abstract: The present invention relates to an alumina support for silver catalyst, a process for preparing said alumina support, a silver catalyst made from said alumina support, and a use of said silver catalyst in the production of ethylene oxide by the oxidization of ethylene. According to the present invention, the silver catalyst made from the support prepared by potassium melt technology can have a high selectivity.Type: ApplicationFiled: September 30, 2011Publication date: April 5, 2012Applicants: Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical Corporation, China Petroleum & Chemical CorporationInventors: Wei LIN, Jinbing Li, Jianshe Chen, Zhixiang Zhang, Qiang Lin, Jun Jiang, Shuyuan Cao, Qian Xue, Shujuan Wang, Zhiqiang Tang
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Publication number: 20120065055Abstract: The present invention relates to a support for silver catalyst used in the ethylene oxide production, a preparation method for the same, a silver catalyst prepared from the same, and its use in the ethylene oxide production. The silver catalyst produced from the silver catalyst support has an improved activity, stability and/or selectivity in the production of ethylene oxide by epoxidation of ethylene.Type: ApplicationFiled: September 13, 2011Publication date: March 15, 2012Applicants: Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical Corporation, China Petroleum & Chemical CorporationInventors: Jun JIANG, Jianshe CHEN, Jinbing LI, Shuyun LI, Zhixiang ZHANG, Wei LIN, Qian XUE
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Patent number: 7611776Abstract: The present invention provides a propylene polymer composition for producing a biaxially oriented film, comprising propylene random copolymer and propylene homopolymer; wherein the propylene random copolymer is a copolymer of propylene and ethylene, optionally comprising one or more alpha-olefins of C4-C10; the propylene polymer composition has an overall isotacticity index, as determined by nuclear magnetic resonance method, of greater than or equal to 96.5%, and an ethylene content of greater than 0.3 wt %; and wherein, the melt flow rate of the propylene random copolymer is lower than that of the propylene homopolymer. The biaxially oriented polypropylene film produced by the propylene polymer composition of the present invention exhibits excellent physical properties, and has, in the absence of any stiffening agent, relatively higher modulus and stiffness.Type: GrantFiled: January 24, 2006Date of Patent: November 3, 2009Assignees: China Petrochemical & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Luqiang Yu, Meifang Guo, Shijun Zhang, Jinliang Qiao, Wenbo Song, Qingshan Ma, Wei Zhang, Liangshi Wang, Xi Wang, Hao Tang, Rongmei Liu
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Patent number: 7491757Abstract: The present invention provides a fully vulcanized thermoplastic elastomer comprising a rubber phase with a controllable particle size and a spheroidic shape, the preparation and use thereof. Fully vulcanized powdery rubber is blended with plastic by conventional method for blending rubbers, and thus obtaining a fully vulcanized thermoplastic elastomer, which comprises a rubber phase with a controllable particle size and a spheroidic shape, and which shows high tensile strength and high elongation at break, good appearance and good processibility.Type: GrantFiled: June 15, 2001Date of Patent: February 17, 2009Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry China Petroleum & Chemical CorporationInventors: Jinliang Qiao, Yiqun Liu, Xiaohong Zhang, Jianming Gao, Genshuan Wei, Shijun Zhang, Zhihai Song, Jiuqiang Li, Dechuan Zhuang
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Patent number: 7399812Abstract: The present invention relates to silicon ether compounds having a general formula (I), a method for the preparation thereof and use thereof as a component of catalysts for polymerization of olefins. In particular, in propylene polymerization, catalyst systems comprising the silicon ether compounds as external electron donor component exhibit good hydrogen response, and can be used to prepare polymer having high isotacticity at high yield. wherein R1-R10 groups are as defined in the description.Type: GrantFiled: February 16, 2005Date of Patent: July 15, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Lunjia Xie, Mingzhi Gao, Siyuan Zhao, Jing Ma, Zhufang Sun, Haitao Liu, Tianyi Li, Mingsen Zhang, Changjiang Wu
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Solid catalyst component for polymerization of olefins, catalyst comprising the same and use thereof
Patent number: 7388061Abstract: The present invention provides a solid catalyst component for the polymerization of olefins, comprising magnesium, titanium, a halogen and an electron donor, wherein said electron donor comprises at least one selected from the group consisting of ester of polyol of the formula (I): R1CO—O—CR3R4—A—CR5R6—O—CO—R2??(I) wherein, R1 and R2 groups, which may be identical or different, can be substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R3-R6 groups, which may be identical or different, can be selected from the group consisting of hydrogen, halogen or substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms, R1-R6 groups optionally contain one or more hetero-atoms replacing carbon, hydrogen atom or the both, said hetero-atom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen atom, two or more of R3-R6 groups can be linked to form saturated or unsaturated monocyclic or polycyclic ring A is a single bond or bivalent linking group witType: GrantFiled: January 30, 2003Date of Patent: June 17, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Mingzhi Gao, Haitao Liu, Zhulan Li, Jun Wang, Juxiu Yang, Tianyi Li, Xiaodong Wang, Changxiu Li, Chunming Ding -
Patent number: 7351778Abstract: The present invention provides a catalyst component for polymerization of olefin CH2?CHR, in which R is hydrogen or C1-C12 alkyl or aryl, comprising magnesium, titanium, a halogen and an electron donor compound (a) which is at least one selected from the group consisting of dibasic ester compounds of the formula (I), and said catalyst component optionally further comprising an electron donor compound (b) selected from the group consisting of aliphatic dicarboxylic esters and aromatic dicarboxylic esters, and/or an electron donor compound (c) selected from the group consisting of 1,3-diether compounds of formula (IV): wherein, R1, R? and A are as defined in the description, wherein RI-RVIII are as defined in the description, and a catalyst comprising the catalyst component.Type: GrantFiled: April 28, 2005Date of Patent: April 1, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry China Petroleum & Chemical CorporationInventors: Mingzhi Gao, Haitao Liu, Tianyi Li, Xianzhong Li, Changxiu Li, Jiyu Li, Lingyan Xing, Juxiu Yang, Jing Ma, Xiaodong Wang, Chunmin Ding
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Patent number: 7332455Abstract: The present invention relates to a catalyst component and a catalyst for olefin polymerization. The catalyst component utilizes magnesium halide and silica as composite support, and the particle morphology thereof can be improved by regulating the ratio of magnesium halide to silica. Further, the purpose of stabilizing the rate of catalytic polymerization reaction and improving the particle morphology of polymer so as to meet the requirements on catalyst performance of various polymerization processes can be achieved through the combination of the supports of the catalyst. In the meantime, when used in the polymerization of propylene, the catalyst of the present invention exhibits a relatively high polymerization activity and high stereospecificity.Type: GrantFiled: September 16, 2004Date of Patent: February 19, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Chen Wei, Yuexiang Liu, Xianzhi Xia, Wenbo Song, Hongbin Du, Zifang Guo, Yang Tan, Zhaowen Ma, Weimin Ji, Zhichao Yang, Xiaodong Wang, Lei Guo
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Patent number: 7323431Abstract: The present application discloses a catalyst for olefin polymerization, comprising a product of the following components: (A) solid titanium-containing catalyst component comprising magnesium, titanium and halogen as essential components; (B) organo-aluminum compound catalyst component, and (C) silicon ether compound catalyst component, the silicon ether compound being represented by a general formula (I): wherein R1-R12 and A are as defined in the description.Type: GrantFiled: December 23, 2004Date of Patent: January 29, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Mingzhi Gao, Lunjia Xie, Xiaodong Wang, Siyuan Zhao, Jing Ma, Haitao Liu, Tianyi Li, Zhufang Sun
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Patent number: 7091289Abstract: The present invention provides a catalyst component used for homopolymerization or co-polymerization of ethylene, comprising at least one suitable electron donor compound supported on a composition containing magnesium and titanium, wherein the electron donor compound is selected from the group consisting of aliphatic ethers, alicyclic ethers, aromatic ethers, aliphatic ketones and alicyclic ketones, and wherein the composition containing magnesium and titanium is prepared by dissolving a magnesium compound into a solvent system to form a homogeneous solution and then contacting the solution with a titanium compound in the presence of a precipitation aid to precipitate the composition. The present invention also relates to a method for the preparation of said catalyst component and a catalyst comprising thereof, and to use of the catalyst in homopolymerization of ethylene or co-polymerization of ethylene with at least one C3–C8 ?-olefin.Type: GrantFiled: June 5, 2003Date of Patent: August 15, 2006Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Zhiwu Wang, Zhong Tan, Tianyi Li, Xingbo Li, Kai Zhang, Peng Kou, Haixiang Cui, Zhengyang Guo, Liang Pan
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Patent number: 6838490Abstract: The present invention relates to a novel fully vulcanized powdery silicone rubber, preparation and use thereof. The fully vulcanized powdery silicone rubber is prepared from an latex of organosilicon polymer or copolymer with lower molecular weight via irradiation of high-energy rays. The gel content of the obtained fully vulcanized powdery silicone rubber is at least 60% by weight. The fully vulcanized powdery silicone rubber can be combined with various plastics and is very easy to be dispersed into plastic matrix, and can be used as toughening agent, processing aids or as additives for cosmetics, ink, paint and coatings.Type: GrantFiled: June 15, 2001Date of Patent: January 4, 2005Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry China Petroleum & Chemical CorporationInventors: Xiaohong Zhang, Jinliang Qiao, Genshuan Wei, Jianming Gao, Yiqun Liu, Shijun Zhang, Zhihai Song, Jiuqiang Li, Yicai Zhu
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Patent number: 6822127Abstract: A selective hydrogenation catalyst for the seletive hydrogenation of unsaturated hydrocarbons, a process for preparing this catalyst and its use. The catalyst of the invention comprises a support, active component Pd, rare earth metals, and auxiliary metal Bi, Ag etc. The catalyst is able to hydrogenate high-unsaturated hydrocarbons such as alkyne with high selectivity at high space velocity while both green oil formation and carbon deposition on the catalyst are very low. It is applicable to an industrial cracking process.Type: GrantFiled: October 1, 2001Date of Patent: November 23, 2004Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Wei Dai, Jing Zhu, Hui Peng, Yanlai Guo, Wei Mu, Helong Li, Qingzhou Cui