• 专利标题:   Graphene flame-retardant conductive polymer composite material useful for gas drainage pipes, comprises high-density polyethylene e.g. grade 100 polyethylene, composite flame retardant, toughening agent e.g. styrene-butadiene-styrene, conductive agent e.g. carbon nanotubes and calcium carbonate.
  • 专利号:   CN114957840-A
  • 发明人:   QU Y, LIU Z, XIE W, WU H, ZONG X
  • 专利权人:   SIXTH ELEMENT CHANGZHOU MATERIALS TECHNO
  • 国际专利分类:   C08K003/02, C08K003/04, C08K003/22, C08K003/26, C08K003/32, C08K005/03, C08L023/06, C08L023/16, C08L053/02
  • 专利详细信息:   CN114957840-A 30 Aug 2022 C08L-023/06 202293 Chinese
  • 申请详细信息:   CN114957840-A CN10809850 11 Jul 2022
  • 优先权号:   CN11485983

▎ 摘  要

NOVELTY - Graphene flame-retardant conductive polymer composite material, comprises 30-50 pts. wt. high-density polyethylene, 15-30 pts. wt. composite flame retardant, 10-30 pts. wt. toughening agent, 1-10 pts. wt. conductive agent, 5-30 pts. wt. calcium carbonate, 0.1-1 pt. wt. graphene and 0.1-0.5 pt. wt. antioxidant. USE - The graphene flame-retardant conductive polymer composite material is useful for gas drainage pipes (claimed). ADVANTAGE - The graphene flame-retardant conductive polymer composite material: has excellent flame retardant performance and excellent toughness, and ensures transportation and use are not affected in the daily coiling process. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of graphene flame-retardant conductive polymer composite material, comprising mixing high-density polyethylene, composite flame retardant, toughening agent, conductive agent, calcium carbonate, graphene and antioxidant in a high-speed mixer and stirring to obtain reaction mixture, preferably the stirring time is 10-30 minutes, adding the reaction mixture into a twin-screw extruder through weight loss and extrude to obtain final product, where the feeding speed of the twin-screw extruder is 30-50 revolutions/minute, the rotational speed of the main machine is 300-500 revolutions/minute, and the screw structure is 1:48.