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    THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED ARTICLE PRODUCED THEREFROM
    4.
    发明公开
    THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED ARTICLE PRODUCED THEREFROM 审中-公开

    公开(公告)号：EP4332163A1

    公开(公告)日：2024-03-06

    申请号：EP23808649.0

    申请日：2023-05-31

    申请人： LG Chem, Ltd.

    发明人： PARK, Jangwon ,  AHN, Bong Keun ,  KIM, Min Jung ,  JEON, Jiyoon ,  LEE, Eunji ,  KIM, Seyong

    IPC分类号： C08L51/06 ,  C08L33/06 ,  C08F285/00 ,  C08F265/06 ,  C08F220/18 ,  C08F220/44 ,  C08F212/08

    摘要： The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More particularly, the present invention relates to a thermoplastic resin composition including an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A) including a seed obtained by polymerizing 45 to 72 % by weight of an alkyl acrylate and 28 to 55 % by weight of an aromatic vinyl compound, a rubber core formed to surround the seed and obtained by polymerizing 78 to 91 % by weight of an alkyl acrylate and 9 to 22 % by weight of an aromatic vinyl compound, and a graft shell formed to surround the rubber core and obtained by polymerizing 65 to 82 % by weight of an aromatic vinyl compound, 12 to 30 % by weight of a vinyl cyanide compound, and 3 to 15 % by weight of an alkyl acrylate; and a non-graft copolymer (B) including an alkyl (meth)acrylate, an aromatic vinyl compound, and a vinyl cyanide compound, wherein the average particle diameter and refractive index of each layer of the graft copolymer (A) are properly adjusted, a method of preparing the thermoplastic resin composition, and a molded article manufactured using the thermoplastic resin composition.
    According to the present invention, the present invention has an effect of providing a thermoplastic resin composition having excellent transparency, gloss, weather resistance, and impact resistance, a method of preparing the same, and a molded article manufactured using the same.

    BINDER AND ELECTROCHEMICAL DEVICE COMPRISING SAME
    6.
    发明公开
    BINDER AND ELECTROCHEMICAL DEVICE COMPRISING SAME 审中-公开

    公开(公告)号：EP4310958A1

    公开(公告)日：2024-01-24

    申请号：EP21932101.5

    申请日：2021-03-24

    申请人： Ningde Amperex Technology Limited

    发明人： HU, Chengxin ,  LI, Yajie

    IPC分类号： H01M4/62 ,  H01M10/052 ,  C08F220/06 ,  C08F220/44 ,  C08F120/58

    摘要： A binder and an electrochemical apparatus including such binder are disclosed, where the binder is a polymer including structural units represented by a formula I, a formula II, and a formula III. R 1 is selected from any one of a substituted or unsubstituted C 1 -C 10 alkyl group, a substituted or unsubstituted C 2 -C 10 alkenyl group, a substituted or unsubstituted C 2 -C 10 alkynyl group, or a substituted or unsubstituted C 6 -C 20 aryl group; R 2 is selected from a phenolic hydroxyl group and the number of phenolic hydroxyl groups is 2 to 5; R 3 is one of C, S, N, or P; X is selected from any one of Li, Na, or K; R 4 and R 5 each are independently selected from one of a hydrogen atom, a substituted or unsubstituted C 1 -C 10 alkyl group, a substituted or unsubstituted C 2 -C 10 alkenyl group, a substituted or unsubstituted C 2 -C 10 alkynyl group, or a substituted or unsubstituted C 6 -C 20 aryl group; and n1, n2, and n3 each are independently an integer greater than zero. The binder in this application provides large bonding force and helps with the desolvation of lithium ions, thus alleviating the obstruction against intercalation of lithium ions, and improving kinetic performance of the electrochemical apparatus.

    METHOD FOR PRODUCING CARBON FIBER
    9.
    发明公开
    METHOD FOR PRODUCING CARBON FIBER 审中-公开

    公开(公告)号：EP4141154A3

    公开(公告)日：2023-05-03

    申请号：EP22192011.9

    申请日：2022-08-24

    申请人： FORMOSA PLASTICS CORPORATION

    发明人： Hwang, Long-Tyan ,  Hung, Chia-Chi ,  Tsai, Kun-Yeh ,  Chen, Ching-Wen ,  Chou, Wen-Ju

    IPC分类号： D01F9/22 ,  D01D5/06 ,  C08F220/44 ,  C08F220/48

    摘要： The present invention relates to a method for producing a carbon fiber. In the method for producing the carbon fiber, a high pure acrylonitrile monomer with specific contents of impurities and a comonomer are used to produce an acrylonitrile copolymer, and the acrylonitrile copolymer is subjected to a spinning operation, a stretching operation, an oxidation treatment and a carbonization treatment in sequence, for obtaining the carbon fiber. The acrylonitrile copolymer with an appropriate falling-ball viscosity and an appropriate weight-average molecular weight is beneficial to the spinning operation, thereby reducing an inner pore diameter and enhancing strength of the resulted carbon fiber.