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  • 专利标题:   Polypropylene composition useful in interior and exterior components of automobiles, comprises polypropylene resin, high-density polyethylene resin, polyolefin elastomer toughening agent, graphene and surface modifying agent.
  • 专利号:   CN107629314-A, WO2019042053-A1
  • 发明人:   SHIBING Y, WANG D, XIANBO H, NANBIAO Y, JIAJIE C, ZHENFEI W, LIANG L, YANG B, ZHONGFU L, CHAO Z, ZHENGYA D, YE S, HUANG X, YE N, CHEN J, WU Z, LEI L, LUO Z, ZHANG C, DING Z
  • 专利权人:   KINGFA SCI TECH CO LTD, SHANGHAI KINGFA SCI TECH CO LTD, TIANJIN JINFA NEW MATERIAL CO LTD, SHANGHAI KINGFA SCI TECH CO LTD, TIANJIN JINFA NEW MATERIAL CO LTD
  • 国际专利分类:   C08K013/02, C08K003/04, C08K005/134, C08K005/526, C08L023/06, C08L023/08, C08L023/12, C08L027/18, C08L053/00, C08L071/00, C08L083/08
  • 专利详细信息:   CN107629314-A 26 Jan 2018 C08L-023/12 201819 Chinese
  • 申请详细信息:   CN107629314-A CN10779291 01 Sep 2017
  • 优先权号:   CN10779291

▎ 摘　　要

NOVELTY - A polypropylene composition comprises 60-85 pts. wt. polypropylene resin, 5-10 pts. wt. high-density polyethylene resin, 5-20 pts. wt. polyolefin elastomer toughening agent, 1-5 pts. wt. graphene and 3-5 pts. wt. surface modifying agent. USE - The polypropylene composition is useful in interior and exterior components of automobiles. ADVANTAGE - The polypropylene composition has excellent impact performance, corrosion resistance, strength, chemical resistance and appearance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of polypropylene composition, which involves adding polypropylene resin, high-density polyethylene resin, polyolefin elastomer toughening agent, graphene, surface modifying agent, pigment and additive to high speed mixer and uniformly mixing, placing the material in a twin-screw extruder, melting and mixing at temperature of 170-220 degrees C, extruding at rotation speed of 350-450 rpm and granulating.