公开(公告)号：EP4382568A1

公开(公告)日：2024-06-12

申请号：EP22852227.2

申请日：2022-08-03

申请人： China Petroleum & Chemical Corporation ,  Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation ,  Tsinghua University

发明人： SHAO, Qing ,  HE, Jinliang ,  YUAN, Hao ,  LI, Qi ,  ZHANG, Yaru ,  HU, Jun ,  WANG, Mingti ,  HUANG, Shangshi ,  LI, Juan ,  HU, Shixun ,  ZHANG, Qi ,  GAO, Dali ,  SHI, Hongwei

IPC分类号： C08L23/12 ,  C08F255/02 ,  C08F255/04 ,  C08F222/06 ,  H01B3/30

CPC分类号： C08F255/04 ,  C08L23/12 ,  C08F255/02 ,  C08F222/06 ,  H01B3/30

摘要： The invention belongs to the field of insulating materials, in particular cable insulating materials, and particularly relates to a modified flexible polypropylene insulating material, and preparation method and use thereof. The modified flexible polypropylene insulating material comprises a propylene-based continuous phase, and a rubber phase and a grafted phase derived from an unsaturated bond-containing polymerizable monomer dispersed in the propylene-based continuous phase; wherein, the modified flexible polypropylene insulating material has a content of xylene solubles of 10-55 wt%, preferably 15-45 wt%, more preferably 18-40 wt%, and still more preferably 20-40 wt%, based on the total weight of the modified flexible polypropylene insulating material; the content of structural units derived from the unsaturated bond-containing polymerizable monomer and in a grafted state in the modified flexible polypropylene insulating material is 0.3-6 wt%, and preferably 0.7-5 wt%; the flexural modulus of the modified flexible polypropylene insulating material is 200-1000 MPa, preferably 200-950 MPa, more preferably 200-700 MPa, and still more preferably 250-600 MPa; preferably, the ratio of the mass of the structural units derived from the unsaturated bond-containing polymerizable monomer in xylene insolubles to the mass of the structural units derived from the unsaturated bond-containing polymerizable monomer in the modified flexible polypropylene insulating material is more than 0.1, preferably 0.3-0.9. The modified flexible polypropylene insulating material of the invention can give consideration to both mechanical property and electrical property at a higher working temperature, and is suitable for working conditions of high temperature and high operating field strength.

公开(公告)号：EP4144776A1

公开(公告)日：2023-03-08

申请号：EP20933920.9

申请日：2020-11-09

申请人： CHINA PETROLEUM & CHEMICAL CORPORATION ,  BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION ,  Tsinghua University

发明人： SONG, Wenbo ,  HE, Jinliang ,  YUAN, Hao ,  SHAO, Qing ,  LI, Qi ,  SHI, Hongwei ,  ZHANG, Qi ,  LI, Juan ,  WANG, Yutao ,  HU, Jun ,  ZOU, Fasheng ,  ZHOU, Yao

IPC分类号： C08F255/02 ,  C08F255/04 ,  C08F222/06 ,  H01B3/30 ,  H01B7/02

摘要： 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 0.1 to 5 wt%, based on the weight of the anhydride group-containing polypropylene graft; and, the molar ratio of the structural units derived from the anhydride monomer to the structural units derived from the alkenyl-containing polymerizable monomer in the anhydride group-containing polypropylene graft is 1: 1-20; 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. The anhydride group-containing polypropylene graft of the invention can give consideration to both mechanical property and electrical property at a higher working temperature.

公开(公告)号：EP4144795A1

公开(公告)日：2023-03-08

申请号：EP20933507.4

申请日：2020-11-09

申请人： CHINA PETROLEUM & CHEMICAL CORPORATION ,  BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION ,  Tsinghua University

发明人： YUAN, Hao ,  SONG, Wenbo ,  HE, Jinliang ,  SHAO, Qing ,  LI, Qi ,  ZHANG, Qi ,  SHI, Hongwei ,  LI, Juan ,  WANG, Yutao ,  HU, Jun ,  ZHANG, Xiaomeng ,  ZHOU, Yao

IPC分类号： C08L23/12 ,  C08L51/06 ,  B25G1/12

摘要： 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. The grafting-modified polypropylene material of the invention can give consideration to both mechanical property and electrical property at a higher working temperature.

公开(公告)号：EP4238744A1

公开(公告)日：2023-09-06

申请号：EP21885349.7

申请日：2021-10-30

申请人： CHINA PETROLEUM & CHEMICAL CORPORATION ,  BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION

发明人： GAO, Dali ,  LI, Changjin ,  ZHANG, Shijun ,  XU, Kai ,  KANG, Peng ,  ZHANG, Qi ,  YIN, Hua ,  LV, Mingfu ,  KONG, Dehui ,  XIN, Qi ,  CAI, Tao ,  DONG, Mu ,  SHAO, Jingbo ,  SHI, Hongwei ,  SUN, Changhui ,  BAI, Yiqing ,  TAN, Yigang ,  LI, Guang ,  GAO, Xiaoyong ,  HE, Jinqi ,  LI, Meijie ,  XU, Meng ,  CHOU, Baige ,  LV, Yun ,  REN, Yueming

IPC分类号： B29C70/16 ,  B29C70/52

摘要： Disclosed in the present invention are a thermoplastic composite material, a preparation method therefor and a use thereof. The thermoplastic composite material comprises an inner layer material and at least one layer of outer layer material. The inner layer material is a core layer comprising fiber bundles, a first thermoplastic resin and a first auxiliary agent; and the at least one layer of outer layer material wraps the core layer and is a resin layer comprising a second thermoplastic resin and an optional second auxiliary agent. The fiber bundles extend continuously from one end of the core layer to the opposite end thereof. The thermoplastic composite material of the present invention has an inner layer-outer layer composite structure, can effectively improve the processing performance of the thermoplastic composite material and the lubricity between fibers and resin matrixes during injection molding, and improves the fluidity of the fibers in a resin matrix melt; thus, the comprehensive performance and surface quality of the prepared thermoplastic composite material are greatly improved, the requirements of the injection molding process are reduced, and the application range of the thermoplastic composite material is expanded.

公开(公告)号：EP4234238A1

公开(公告)日：2023-08-30

申请号：EP21882074.4

申请日：2021-10-20

申请人： CHINA PETROLEUM & CHEMICAL CORPORATION ,  BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION

发明人： XU, Meng ,  ZHANG, Shijun ,  GAO, Dali ,  BAI, Yiqing ,  XU, Kai ,  REN, Yueming ,  LIU, Jianye ,  QUAN, Hui ,  DONG, Mu ,  ZHANG, Qi ,  CHOU, Baige ,  LYU, Yun ,  SHAO, Jingbo

IPC分类号： B32B27/32 ,  B32B27/18 ,  B32B27/06 ,  B32B27/20 ,  B32B33/00 ,  C08L23/12 ,  C08L53/02 ,  C08L23/08 ,  C08J5/18 ,  B29C48/00 ,  B29C48/08 ,  B65D65/40

摘要： Disclosed are a propylene polymer-based composite film, a preparation method therefor, and an application thereof. The composite film comprises at least two different layers: layer a and layer b, wherein layer a and layer b each comprise at least one propylene polymer, and at least one of layer a and layer b comprises a propylene impact copolymer, wherein the propylene impact copolymer comprises elastic moieties that form dispersed strip-like rubber phases in the composite film, the rubber phases are arranged parallel to each other, and the average dimension of transverse axes of the rubber phases is 20-200 nm and the average of aspect ratios is 5-20. The composite film has both excellent impact resistance and optical properties, and even has good tensile properties and/or good heat-sealing strength at lower heat-sealing temperatures, and even has good uniformity. The composite film is particularly useful in the field of packaging materials, especially in battery packaging materials, electronic product packaging materials, or food packaging materials.

公开(公告)号：EP4206276A1

公开(公告)日：2023-07-05

申请号：EP21860284.5

申请日：2021-08-20

申请人： CHINA PETROLEUM & CHEMICAL CORPORATION ,  BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION

发明人： ZHANG, Xiaomeng ,  SONG, Wenbo ,  ZOU, Fasheng ,  HU, Huijie ,  LI, Dezhan ,  WANG, Lusheng ,  ZHAO, Mengyao ,  ZHANG, Qi ,  LIU, Zhenjie ,  YUAN, Hao

IPC分类号： C08L23/12 ,  C08L23/16

摘要： 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. The polypropylene composition and article have a high gloss and good mechanical properties, and the preparation method is simple, low in cost and environmentally friendly; and the article can be used in electric appliances, homes, packaging, automobiles, toys, or the medical field.

公开(公告)号：EP4462449A1

公开(公告)日：2024-11-13

申请号：EP22918300.9

申请日：2022-11-22

申请人： CHINA PETROLEUM & CHEMICAL CORPORATION ,  Sinopec (Beijing) Research Institute of Chemical Industry Co., Ltd. ,  Tsinghua University

发明人： ZHANG, Yaru ,  LI, Qi ,  ZHANG, Qi ,  YUAN, Hao ,  HE, Jinliang ,  SHAO, Qing ,  LI, Junluo ,  QUAN, Hui ,  WANG, Mingti ,  HU, Jun ,  LI, Juan ,  GAO, Dali ,  ZHANG, Longgui ,  HU, Shixun ,  LU, Hongchao ,  XIA, Lidong

IPC分类号： H01B3/30 ,  B32B27/32 ,  B29C55/12 ,  C08J5/18 ,  C08F222/06 ,  C08F255/02 ,  C08F212/08 ,  C08F230/08

摘要： The invention belongs to the field of polymers, and relates to biaxially oriented polypropylene dielectric film, a modified polypropylene material and use thereof. The preparation raw materials of the biaxially oriented polypropylene dielectric film comprise a modified polypropylene grafted with an alkenyl-containing functional monomer. The modified polypropylene grafted with an alkenyl-containing functional monomer comprises a structural unit derived from polypropylene as a matrix phase and a structural unit derived from an alkenyl-containing functional monomer as a dispersion phase. The ash content of the modified polypropylene grafted with an alkenyl-containing functional monomer is less than 50 ppm. In the modified polypropylene grafted with an alkenyl-containing functional monomer, the mass ratio of the structure unit which is derived from an alkenyl-containing functional monomer and in a grafted state to the structure unit which is derived from an alkenyl-containing functional monomer and in a self-polymerization state is greater than or equal to 1.0. D50 of the dispersion phase is less than 450 nm. The biaxially oriented polypropylene dielectric film of the present invention can keep good dielectric performance and energy storage performance at a relatively high working temperature, and is suitable for high-temperature and high-operation field intensity working conditions.