Patents Assigned to Beijing Research Institute of Chemical Industry
  • Patent number: 11053385
    Abstract: A polyester composition includes polybutylene terephthalate and an aliphatic-aromatic copolyester. Based on the total weight of the polybutylene terephthalate and the aliphatic-aromatic copolyester, the content of the polybutylene terephthalate is from 50 to 99% by weight, and the content of the aliphatic-aromatic copolyester is from 1 to 50% by weight. Further, a method for preparing such a polyester composition and a toughened composite material prepared therefrom. The polyester composition has an elongation at break of up to 230% or more, and an improved toughness without substantial loss of strength.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: July 6, 2021
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing Research Institute of Chemical Industry, China Petrolium & Chemical Corporation
    Inventors: Cui Zheng, Guixiang Zhu, Lizhi Liu, Wei Zhang
  • Patent number: 10988553
    Abstract: Disclosed is a catalyst pre-contact method for the continuous polymerization of an olefin, wherein a primary catalyst, a co-catalyst and, optionally, an external electron donor are mixed and then undergo a pre-contact reaction, with the pre-contact reaction temperature being ?30° C. to 35° C. and adjustable, and the pre-contact reaction time being 0.5 min to 10 min and adjustable, and the pre-contacted catalyst is brought into a catalyst prepolymerization system and then into a catalyst polymerization system, or is directly brought into the catalyst polymerization system. Further disclosed is a catalyst pre-contact device for the continuous polymerization of an olefin, which can adjust the pre-contact time and pre-contact temperature of the catalyst so that the performance of the catalyst achieves a better level according to the process.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: April 27, 2021
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Xianzhi Xia, Tianyi Zhang, Yuexiang Liu, Jin Zhao
  • Patent number: 10934391
    Abstract: A polyester composition, includes an aliphatic polyester and an aliphatic-aromatic copolyester. The aliphatic-aromatic copolyester is a copolymer having a repeating unit A and a repeating unit B. The preparation method for the polyester composition includes the steps of mixing all the components having the aliphatic polyester and the aliphatic-aromatic copolyester, and subjecting the resulting mixture to extrusion granulation.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: March 2, 2021
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Cui Zheng, Guixiang Zhu, Lizhi Liu, Wei Zhang
  • Patent number: 10920025
    Abstract: A method for preparing a polyolefin resin powder has the steps of a) heat dissolving a polyolefin resin in an organic solvent having a solubility parameter less than or equal to the solubility parameter of the polyolefin resin to obtain a polyolefin resin solution; b) cooling the polyolefin resin solution to precipitate a solid, thereby obtaining a solid-liquid mixture; c) optionally adding an adjuvant to the solid-liquid mixture and mixing; and d) conducting solid-liquid separation and drying to obtain a polyolefin resin powder suitable for selective laser sintering. The difference between the solubility parameters of the organic solvent and of the polyolefin resin is within 0-20% of the solubility parameter of the polyolefin resin. The polyolefin resin powder obtained according to this method has good antioxidant property, good powder flowability, moderate size, smooth surface, suitable bulk density, and suitable dispersibility and particle size distribution.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: February 16, 2021
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Jianye Liu, Shijun Zhang, Liqiu Chu, Liying Zhang, Hao Zou, Mu Dong, Dali Gao, Baige Chou, Jingbo Shao, Yun Lyu, Hua Yin, Qingquan Yang, Jie Li, Yiqing Bai, Yihui Xu
  • Patent number: 10894881
    Abstract: Butyl rubber, a preparation method therefor, and an application thereof, and a composition and rubber product containing the butyl rubber. The butyl rubber comprises a structural unit derived from isobutylene, a structural unit derived from conjugated diene, and a structural unit selectively derived from aryl olefin represented by formula I, at least a part of the conjugated diene being isoprene. Also provided are an automobile tire inner liner, tube and curing bladder made of the butyl rubber. The butyl rubber has good processability and compounding properties, die swell ratio and integrated mechanical properties, and particularly high tear strength. The butyl rubber can effectively reduce power consumption in the processing and compounding process, and the prepared product has good dimensional stability and application performance.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: January 19, 2021
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Yingxin Qiu, Huiqin Gong, Lei Zhang, Weijuan Meng, Xinqin Zhou, Lei Wang
  • Publication number: 20210010162
    Abstract: The invention relates to a spider-silk-like polymer fiber in the technical field of chemical bionics, a preparation method therefor and the use thereof. The spider-silk-like polymer fiber comprises a matrix polymer and a particle additive dispersed therein, wherein the particles have an average particle size of 0.1-1000 microns, and the polymer fiber has a spider-silk-like microstructure comprising a fiber body and spaced spindle knot structural units on the fiber body, wherein the spindle knot structural units comprise the particles, and the radial height of the spindle knot structural units is greater than the diameter of the fiber body. The preparation method of the polymer fiber of the invention does not require greatly modifying the existing spinning processes, and the equipment does not need to be changed, the process is simple, and the cost is low.
    Type: Application
    Filed: June 25, 2018
    Publication date: January 14, 2021
    Applicants: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Jinliang QIAO, Chao JIANG, Guicun QI, Xiaohong ZHANG, Zhihai SONG, Jinmei LAI, Chuanlun CAI, Binghai LI, Xiang WANG, Haibin JIANG, Jiangru ZHANG, Yue RU, Jianming GAO, Hongbin ZHANG, Peng HAN
  • Patent number: 10787546
    Abstract: A method for preparing an aliphatic polyester resin powder includes the steps of a) heat dissolving a crystalline aliphatic polyester resin in an organic solvent to obtain an aliphatic polyester resin solution; b) cooling the aliphatic polyester resin solution to precipitate a solid, thereby obtaining a solid-liquid mixture; c) optionally adding an adjuvant to the solid-liquid mixture and mixing; and d) conducting solid-liquid separation and drying to obtain an aliphatic polyester resin powder suitable for selective laser sintering. The crystalline aliphatic polyester resin powder obtained has good antioxidant property, good powder flowability, moderate size, smooth surface, suitable bulk density, and suitable dispersibility and particle size distribution. The aliphatic polyester resin powder is particularly suitable for selective laser sintering method.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: September 29, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Jianye Liu, Liqiu Chu, Yun Lyu, Shijun Zhang, Liying Zhang, Hao Zou, Mu Dong, Dali Gao, Baige Chou, Yiqing Bai, Jingbo Shao, Meng Xu, Yihui Xu, Ruoshi Chen
  • Patent number: 10787754
    Abstract: The present invention relates to a polymer/filler/metal composite fiber, including a polymer fiber comprising a metal short fiber and a filler; the metal short fiber is distributed as a dispersed phase within the polymer fiber and distributed in parallel to the axis of the polymer fiber; the filler is dispersed within the polymer fiber and distributed between the metal short fibers; the filler does not melt at the processing temperature of the polymer; said metal is a low melting point metal and selected from at least one of single component metals and metal alloys, and has a melting point which ranges from 20 to 480° C., and, at the same time, which is lower than the processing temperature of the polymer; the metal short fiber and the polymer fiber have a volume ratio of from 0.01:100 to 20:100; the filler and the polymer have a weight ratio of from 0.1:100 to 30:100.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: September 29, 2020
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Jinliang Qiao, Yilei Zhu, Xiaohong Zhang, Liangshi Wang, Chuanlun Cai, Guicun Qi, Hongbin Zhang, Zhihai Song, Jinmei Lai, Binghai Li, Ya Wang, Xiang Wang, Jianming Gao, Gang Chen, Haibin Jiang
  • Publication number: 20200246781
    Abstract: Disclosed is a composite catalyst, comprising carbon in a continuous phase and Raney alloy particles in a dispersed phase. The Raney alloy particles are dispersed evenly or unevenly in the carbon in a continuous phase, and the carbon in a continuous phase is obtained by carbonizing at least one carbonizable organic substance. The catalyst has good particle strength, high catalytic activity, and good selectivity.
    Type: Application
    Filed: April 20, 2020
    Publication date: August 6, 2020
    Applicants: China Petroleum & Chemical Corporation, Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Wei Dai, Shuliang Lu, Haibin Jiang, Guoqing Wang, Xiaohong Zhang, Hui Peng, Jinliang Qiao
  • Patent number: 10661254
    Abstract: Disclosed is a composite catalyst, comprising carbon in a continuous phase and Raney alloy particles in a dispersed phase. The Raney alloy particles are dispersed evenly or unevenly in the carbon in a continuous phase, and the carbon in a continuous phase is obtained by carbonizing at least one carbonizable organic substance. The catalyst has good particle strength, high catalytic activity, and good selectivity.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: May 26, 2020
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Wei Dai, Shuliang Lu, Haibin Jiang, Guoqing Wang, Xiaohong Zhang, Hui Peng, Jinliang Qiao
  • Patent number: 10662268
    Abstract: Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high long-term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 26, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Jun Wang, Mingzhi Gao, Jing Ma, Haitao Liu, Jianhua Chen, Xiaoxia Cai, Jixing Ma, Jianjun Hu, Changxiu Li, Zhihui Zhang, Changyou Ma
  • Patent number: 10662308
    Abstract: The invention relates to a flame-retardant thermoplastic material, comprising thermoplastic base resin, a flame retardant, and an optional antioxidant, wherein the flame retardant comprises a complex of phosphine oxide and a transition metal salt. The invention also relates to flame-retardant thermoplastic expanded beads. A foam molding prepared from the flame-retardant thermoplastic expanded beads has good flame-retardant and antistatic properties, has excellent mechanical properties and is widely used.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: May 26, 2020
    Assignees: China Petroleum & Chamical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Peng Guo, Mingfu Lyu, Yaohui Xu, Shijun Zhang, Hui Quan, Kai Xu, Fuyong Bi, Wenbo Song
  • Patent number: 10557007
    Abstract: The present invention refers to a flame retardant comprising a complex formed by phosphine oxide and transition metal salt, wherein has good flame retardant property. The present invention also refers to a composite flame retardant and flame retardant antistatic composition. The present invention also further refers to a flame resistant method, which adds the abovementioned flame retardant, composite flame retardant or flame retardant antistatic composition into the material, so that said material has flame retardance or flame retardance and antistatic, and has excellent mechanical properties.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: February 11, 2020
    Assignees: China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Peng Guo, Mingfu Lyu, Yaohui Xu, Shijun Zhang, Hui Quan, Kai Xu, Fuyong Bi, Wenbo Song
  • Patent number: 10544242
    Abstract: The invention discloses a process for preparing high-performance propylene polymers, the process utilizing a high activity, highly stereoselective Ziegler-Natta catalyst and two or more stages of polymerization carried out under different hydrogen concentrations to prepare propylene polymers having broad molecular weight distribution, wherein non-uniformness of isotacticity of molecular chains of the final propylene polymers is improved by adjusting or controlling stereoselectivity of catalytic active sites under different hydrogen concentrations, namely, making the low molecular weight fraction of the polymers having a higher isotacticity and making the high molecular weight fraction of the polymers having a lower isotacticity, thereby overcoming the drawbacks of the propylene polymers having broad molecular weight distribution known in the art. The resulting final polymers have excellent combined properties, in particular, remarkably improved mechanical properties.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: January 28, 2020
    Assignees: China Petroleum & Chemical Corporation and Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Wenbo Song, Meifang Guo, Jinliang Qiao, Zhichao Yang, Shijun Zhang, Luqiang Yu
  • Publication number: 20190270882
    Abstract: A polyester composition includes a first polyester selected from one or more of aliphatic-aromatic copolyesters, which is a copolymer comprising repeating units A as shown in formula (I) and repeating units B as shown in formula (II), in which m is an integer of 2 to 10 and n is an integer of 2 to 8; p is an integer of 2 to 10; and m, n and p are the same or different from each other. Optionally, the polyester composition has a second polyester. The polyester composition includes at least two polyesters. The polyester composition can be used in shape memory materials, 3D print wires, heat shrinkable sleeves, functional layers, medical limb immobilization braces, heat shrinkable thin films, nonwoven fabrics, elastic fibers, etc.
    Type: Application
    Filed: October 20, 2017
    Publication date: September 5, 2019
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Cui ZHENG, Guixiang ZHU, Lizhi LIU, Wei ZHANG, Xuerong YAO, Minqiao REN, Ling HAN, Yi REN, Nan CHEN, Ying SHI
  • Publication number: 20190264022
    Abstract: A polyester composition includes polybutylene terephthalate and an aliphatic-aromatic copolyester. Based on the total weight of the polybutylene terephthalate and the aliphatic-aromatic copolyester, the content of the polybutylene terephthalate is from 50 to 99% by weight, and the content of the aliphatic-aromatic copolyester is from 1 to 50% by weight. Further, a method for preparing such a polyester composition and a toughened composite material prepared therefrom. The polyester composition has an elongation at break of up to 230% or more, and an improved toughness without substantial loss of strength.
    Type: Application
    Filed: October 20, 2017
    Publication date: August 29, 2019
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Cui ZHENG, Guixiang ZHU, Lizhi LIU, Wei ZHANG
  • Patent number: 10301405
    Abstract: Disclosed herein are a polypropylene with narrow molecular weight distribution and a process for preparing the same in a reactor using a Ziegler-Natta catalyst.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: May 28, 2019
    Assignees: Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corp, China Petroleum & Chemical Corporation
    Inventors: Liangshi Wang, Luqiang Yu, Shijun Zhang, Jinliang Qiao, Meifang Guo, Zhichao Yang, Jianjun Yin, Honghong Huang, Liping Hou, Jianfang Sheng
  • Patent number: 10239969
    Abstract: A magnesium halide adduct represented by the formula (I): MgX2.mROH.nE.pH2O, in which X is chlorine, bromine, a C1-C12 alkoxy, a C3-C10 cycloalkoxy or a C6-C10 aryloxy, with the proviso that at least one X is chlorine or bromine; R is a C1-C12 alkyl, a C3-C10 cycloalkyl or a C6-C10 aryl; E is an o-alkoxybenzoate compound represented by the formula (II): in which R1 and R2 groups are independently a C1-C12 linear or branched alkyl, a C3-C10 cycloalkyl, a C6-C10 aryl, a C7-C10 alkaryl or an C7-C10 aralkyl, the R1 and R2 groups are identical to or different from the R group; m is in a range of from 1.0 to 5.0; n is in a range of from 0.001 to 0.5; and p is in a range of from 0 to 0.8, is disclosed. A catalyst component useful in olefin polymerization, which comprises a reaction product of (1) the magnesium halide adduct, (2) a titanium compound, and optionally (3) an electron donor compound, is also disclosed.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: March 26, 2019
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Xianzhi Xia, Yuexiang Liu, Jigui Zhang, Xinsheng Wang, Ping Gao, Suzhen Qiao, Maoping Yin, Weili Li, Tianyi Zhang, Renqi Peng, Ying Chen, Zhihui Zhang
  • Patent number: 10209011
    Abstract: A heat transfer tube includes a twisted baffle arranged in an inner wall of the tube. The twisted baffle extends spirally along an axial direction of the heat transfer tube. The twisted baffle is provided with a non-through gap extending along an axial direction of the heat transfer tube from an end to the other end of the twisted baffle. A cracking furnace uses the heat transfer tube. The heat transfer tube and cracking furnace have good heat transfer effects and small pressure loss.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: February 19, 2019
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry SINOPEC
    Inventors: Guoqing Wang, Lijun Zhang, Xianfeng Zhou, Junjie Liu, Zhiguo Du, Yonggang Zhang, Zhaobin Zhang, Cong Zhou
  • Patent number: 10208145
    Abstract: The present invention provides a catalyst component for olefin polymerization, obtained by a reaction of magnesium, titanium, halogen and an internal electron donor, the internal electron donor comprising an imine compound as shown in Formula Z. The present invention also provides a preparation method of the catalyst component, and a catalyst for olefin polymerization containing the same. When the catalyst of the present invention is used for olefin polymerization reaction, the catalyst has a high activity, and a slow rate of activity decay, and the obtained polymer has a high isotacticity index, and a wide molecular weight distribution.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: February 19, 2019
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroteum & Chemical Corporation
    Inventors: Mingzhi Gao, Jun Wang, Haitao Liu, Jing Ma, Jianhua Chen, Jixing Ma, Xiaoxia Cai, Changxiu Li, Jianjun Hu, Xiaofan Zhang, Xianzhong Li, Zhihui Zhang, Ruilin Duan, Linna Yang, Changyou Ma