• 专利标题:   Preparation of thermally conductive flame retardant composite material used as lamp socket body for electrical devices by preparing activated carbon intercalated graphene powder, adding to polymerization monomer solution, and dispersing.
  • 专利号:   CN107383803-A
  • 发明人:   LIU X, JIANG S, SU Z, HUANG Z
  • 专利权人:   LEEWAY LIGHTING PARTS XIAMEN CO LTD
  • 国际专利分类:   C08K013/06, C08K003/04, C08K007/14, C08K009/10, C08L067/02
  • 专利详细信息:   CN107383803-A 24 Nov 2017 C08L-067/02 201805 Pages: 12 Chinese
  • 申请详细信息:   CN107383803-A CN10695434 15 Aug 2017
  • 优先权号:   CN10695434

▎ 摘  要

NOVELTY - Preparation of thermally conductive flame retardant composite material includes pretreating activated carbon with dilute nitric acid; adding dispersant in solvent, stirring, adding graphene, ultrasonically dispersing, adding pretreated activated carbon, ultrasonically dispersing, washing, centrifuging, suction filtering, and microwave heating to obtain activated carbon intercalated graphene powder; and dissolving polymerization monomer in deionized water, adding dispersant, and stirring. USE - Method for preparation of thermally conductive flame retardant composite material used as lamp socket body for electrical device (all claimed). DETAILED DESCRIPTION - Preparation of thermally conductive flame retardant composite material comprises: (A) pretreating activated carbon with dilute nitric acid; adding dispersant in solvent, stirring, adding graphene, ultrasonically dispersing for 2-24 hours to obtain graphene suspension, adding pretreated activated carbon, ultrasonically dispersing for 30 minutes to 3 hours, washing, centrifuging, suction filtering to obtain activated carbon intercalated graphene preform, and microwave heating to obtain activated carbon intercalated graphene powder; (B) dissolving polymerization monomer in deionized water to obtain 20-80 wt.% polymerization monomer solution, adding dispersant, and stirring for 5-30 minutes; and subjecting activated carbon intercalated graphene powder into surface coupling treatment, adding polymerization monomer solution mixture, ultrasonically dispersing for 10-40 minutes, heating to 40-90 degrees C, adding crosslinking agent, stirring, adding initiator, polymerizing to obtain shell-type activated carbon intercalated graphene preform, and granulating or grinding, and drying; and (C) processing into thermally conductive polyethylene terephthalate (PET)/polybutylene terephthalate (PBT) composite material.