Patents by Inventor Wenbo Song

Wenbo Song has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230323099
    Abstract: A polypropylene composition, a preparation method therefor, and an article made therefrom, the polypropylene composition comprising: (a) 70-95% by weight of a crystalline homo-polypropylene having a isotactic pentad fraction of 96% or more and forming a continuous matrix phase in the polypropylene composition; (b) 5-30% by weight of an ethylene-propylene elastic copolymer containing 20-35% by weight of an ethylene structure unit and 65-80% by weight of a propylene structure unit, and forming a dispersed rubber phase in the continuous matrix phase, such that the rubber phase can at least partially deform under an orientation force and form an orientation state structure, wherein the ratio of melt mass flow rate measured at 230° C. and a 2.16 kg load of the crystalline homo-polypropylene and the polypropylene composition is 0.5-2.0.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 12, 2023
    Inventors: Xiaomeng ZHANG, Wenbo SONG, Fasheng ZOU, Huijie HU, Dezhan LI, Lusheng WANG, Mengyao ZHAO, Qi ZHANG, Zhenjie LIU, Hao YUAN
  • Publication number: 20230174699
    Abstract: The invention belongs to the field of polymers, and relates to a grafting-modified polypropylene material for an insulating material and preparation method thereof. The grafting-modified polypropylene material comprises structural units derived from a polypropylene copolymer and structural units derived from an alkenyl-containing polymerizable monomer; the content of the structural units derived from the alkenyl-containing polymerizable monomer and in a grafted state in the grafting-modified polypropylene material is 0.1 to 14 wt %; the polypropylene copolymer has at least one of the following characteristics: the comonomer content is 0.5 to 40 mol %; the content of xylene solubles is 2 to 80 wt %; the comonomer content in the xylene solubles is 10 to 70 wt %; the intrinsic viscosity ratio of the xylene solubles to the polypropylene copolymer is 0.3 to 5.
    Type: Application
    Filed: November 9, 2020
    Publication date: June 8, 2023
    Inventors: Hao YUAN, Wenbo SONG, Jinliang HE, Qing SHAO, Qi LI, Qi ZHANG, Hongwei SHI, Juan LI, Yutao WANG, Jun HU, Xiaomeng ZHANG, Yao ZHOU
  • Publication number: 20230174698
    Abstract: The invention belongs to the field of polymers, and relates to an anhydride group-containing polypropylene graft for an insulating material and preparation method thereof. The anhydride group-containing polypropylene graft comprises structural units derived from a polypropylene copolymer, structural units derived from an anhydride monomer and structural units derived from an alkenyl-containing polymerizable monomer; the content of the structural units derived from the anhydride monomer and the alkenyl-containing polymerizable monomer and in a grafted state in the anhydride group-containing polypropylene graft is 0.
    Type: Application
    Filed: November 9, 2020
    Publication date: June 8, 2023
    Inventors: Wenbo SONG, Jinliang HE, Hao YUAN, Qing SHAO, Qi LI, Hongwei SHI, Qi ZHANG, Juan LI, Yutao WANG, Jun HU, Fasheng ZOU, Yao ZHOU
  • Publication number: 20220396646
    Abstract: A method for preparing an olefin-olefinic alcohol copolymer and an olefin-olefinic alcohol copolymer prepared by the method are provided. The catalyst used in the method for preparing the olefin-olefinic alcohol copolymer has a diimine metal complex as shown in Formula I.
    Type: Application
    Filed: October 30, 2020
    Publication date: December 15, 2022
    Inventors: Rong GAO, Jingjing LAI, Zifang GUO, Qingqiang GOU, Junling ZHOU, Wenbo SONG, Xinyang LI, Xiaofan ZHANG, Jie LIN, Dongbing LIU, Junhui ZHANG, Hongtao WANG, Shijun ZHANG, Yuanning GU, Jingyan AN, Hui ZHAO, Tingjie HUANG, Dong MA, Ruen WANG, Shiyuan XU, Jie FU
  • Publication number: 20220380397
    Abstract: Disclosed is a biphenol metal complex. The structure thereof is as represented by formula I, wherein R1 and R1? are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl; R3—R7, R3?—R7? are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl, any two adjacent groups of R3—R7 are optionally linked to form a ring, and any two adjacent groups of R3?—R7? are also optionally linked to form a ring; M and M? are each independently selected from the Group 4 metals; each X is independently selected from the group consisting of a hydrocarbyl having 1 to 20 carbon atoms, hydride, amido, alkoxide, alkyl sulfide, alkyl phophide, halide, diene, amine, phosphine, ether, and combinations thereof; m and n are independently an integer of from 1 to 4; and L is a divalent linking group.
    Type: Application
    Filed: October 28, 2020
    Publication date: December 1, 2022
    Inventors: Shuliang HAN, Haokun LI, Wenbo SONG, Zhao JIN, Lusheng WANG, Yuanyuan FANG
  • Publication number: 20220372177
    Abstract: Disclosed is a catalyst for olefin polymerization, comprising a main catalyst and a cocatalyst; the main catalyst is a bisphenol metal complex represented by formula I, and the cocatalyst comprises an organoaluminum compound; in formula I, R1, R1?, R2, R2? are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl; R3-R7, R3?-R7? are the same or different, and are each independently selected from hydrogen and a substituted or unsubstituted C1-C20 hydrocarbyl; R8 and R9 are the same or different, and are each independently selected from hydrogen or a substituted or unsubstituted C1-C20 hydrocarbyl; M and M? are the same or different, and are selected from Group IV metals; and X is halogen;
    Type: Application
    Filed: October 28, 2020
    Publication date: November 24, 2022
    Inventors: Wenbo SONG, Shuliang HAN, Zhao JIN, Lusheng WANG, Haokun LI, Yuanyuan FANG
  • Publication number: 20210179842
    Abstract: A microspheric ionomer having a cross-linked structure, a preparation method therefor, applications thereof, and a preparation system thereof. The ionomer comprises structure units A represented by formula (1), structure units B represented by formula (2), and a cross-linking structure provided by a cross-linking agent, M being separately selected from H, a metal cation, and a straight chain, a saturated alkyl of branched or ring-shaped C1-C20, R being H or a methyl; and metal cations are introduced to part of structure units A in the ionomer. The ionomer shows an outstanding effect on nucleation of PET, serves as a nucleating agent for PET modification, so as to obtain a corresponding PET composition.
    Type: Application
    Filed: October 25, 2018
    Publication date: June 17, 2021
    Inventors: Wenbo SONG, Hao YUAN, Zhenjie LIU, Jinliang QlAO, Shijun ZHANG, Hua YIN, Huijie HU, Qing SHAO, Jie ZHANG, Xiaomeng ZHANG, Dezhan LI, Fuyong BI
  • 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: 20170313839
    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: Application
    Filed: April 28, 2017
    Publication date: November 2, 2017
    Inventors: Peng GUO, Mingfu LYU, Yaohui XU, Shijun ZHANG, Hui QUAN, Kai XU, Fuyong BI, Wenbo SONG
  • Publication number: 20170313845
    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, wherein composite flame retardant comprise the flame retardant and the inorganic flame retardant component as described above, which has an enhanced flame retardant effect; said flame retardant antistatic composition, comprising above described flame retardant or composite flame retardant and carbon nanofiber antistatic agent, wherein carbon nanofiber antistatic agent could have interaction with flame retardant, effectively reducing the amount of flame retardant, and the combination with the flame retardant without the adverse effect of each other which result in negative performance of each other, does not influence the subsequent foaming process and the foam structure and physical properties.
    Type: Application
    Filed: April 28, 2017
    Publication date: November 2, 2017
    Inventors: Peng GUO, Mingfu LYU, Yaohui XU, Shijun ZHANG, Hui QUAN, Kai XU, Fuyong BI, Wenbo SONG
  • Patent number: 9303108
    Abstract: The present invention relates to a propylene-butene-1 random copolymer which has a butene-1 content of 1-6 mol % and a relative dispersity of butene-1, as determined according to NMR method, of greater than 98.5%. The propylene-butene-1 random copolymer of the present invention has a high relative dispersity of butene-1, as well as better transparency and heat resistance, so that it is more suitable for packaging food that may be edible after heating. Moreover, the copolymer has a lower xylene solubles content at room temperature. In addition, the present invention further relates to a method for preparing the copolymer and to a composition and an article comprising the copolymer.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: April 5, 2016
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Meifang Guo, Wenbo Song, Liying Zhang, Liping Hou, Wenjun Wei, Hao Zhang, Yujing Tang, Huijie Hu
  • Publication number: 20150246986
    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: Application
    Filed: May 12, 2015
    Publication date: September 3, 2015
    Inventors: Wenbo Song, Meifang Guo, Jinliang Qiao, Zhichao Yang, Shijun Zhang, Luqiang Yu
  • Patent number: 9068030
    Abstract: The present invention provides a process for preparing high melt strength propylene polymer by direct polymerization, comprising that a propylene polymer with wide molecular weight distribution and containing “very high molecular weight fraction” can be prepared by controlling the species and ratios of the external electron donors in the Ziegler-Natta catalyst system at different reaction stages according to the requirement for different molecular weight fractions in the different propylene polymerization stage of the series operation, and said polymer has excellent mechanical properties, especially with very high melt strength. The present invention also provides a propylene homopolymer with high melt strength, comprising the following features: (1) the MFR is 0.2-10 g/10 min at 230° C. with a load of 2.16 kg; (2) the molecular weight distribution Mw/Mn is 6-20; (3) the content of the fraction with a molecular weight higher than 5,000,000 is higher than or equal to 0.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: June 30, 2015
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Wenbo Song, Meifang Guo, Shijun Zhang, Wenjun Wei, Honghong Huang, Luqiang Yu, Tao Liu, Huijie Hu, Huan Xu, Peiqian Yu, Xiaomeng Zhang
  • Publication number: 20130023598
    Abstract: The present invention provides a process for preparing high melt strength propylene polymer by direct polymerization, comprising that a propylene polymer with wide molecular weight distribution and containing “very high molecular weight fraction” can be prepared by controlling the species and ratios of the external electron donors in the Ziegler-Natta catalyst system at different reaction stages according to the requirment for different molecular weight fractions in the different propylene polymerization stage of the series operation, and said polymer has excellent mechnical properties, especially with very high melt strength. The present invention also provides a propylene homopolymer with high melt strength, comprising the following features: (1) the MFR is 0.2-10 g/10 min at 230° C. with a load of 2.16 kg; (2) the molecular weight distribution Mw/Mn is 6-20; (3) the content of the fraction with a molecular weight higher than 5,000,000 is higher than or equal to 0.
    Type: Application
    Filed: January 21, 2011
    Publication date: January 24, 2013
    Inventors: Wenbo Song, Meifang Guo, Shijun Zhang, Wenjun Wei, Honghong Huang, Luqiang Yu, Tao Liu, Huijie Hu, Huan Xu, Peiqian Yu, Xiaomeng Zhang
  • Publication number: 20090326171
    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-unifomess 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: Application
    Filed: April 20, 2007
    Publication date: December 31, 2009
    Inventors: Wenbo Song, Meifang Guo, Jinliang Qiao, Zhichao Yang, Shijun Zhang, Luqiang Yu
  • Patent number: 7611776
    Abstract: 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: Grant
    Filed: January 24, 2006
    Date of Patent: November 3, 2009
    Assignees: China Petrochemical & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Luqiang Yu, Meifang Guo, Shijun Zhang, Jinliang Qiao, Wenbo Song, Qingshan Ma, Wei Zhang, Liangshi Wang, Xi Wang, Hao Tang, Rongmei Liu
  • Patent number: 7332455
    Abstract: 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: Grant
    Filed: September 16, 2004
    Date of Patent: February 19, 2008
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Chen Wei, Yuexiang Liu, Xianzhi Xia, Wenbo Song, Hongbin Du, Zifang Guo, Yang Tan, Zhaowen Ma, Weimin Ji, Zhichao Yang, Xiaodong Wang, Lei Guo
  • Publication number: 20060182987
    Abstract: 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: Application
    Filed: January 24, 2006
    Publication date: August 17, 2006
    Inventors: Luqiang Yu, Meifang Guo, Shijun Zhang, Jinliang Qiao, Wenbo Song, Qingshan Ma, Wei Zhang, Liangshi Wang, Xi Wang, Hao Tang, Rongmei Liu