• 专利标题:   Preparing self-healing graphene epoxy resin comprises e.g. reacting 2,2'-dithiodiethanol, tetrabutylammonium bromide and epichlorohydrin, dispersing graphene oxide, dropping obtained reaction liquid and distilling.
  • 专利号:   CN108752873-A
  • 发明人:   CHEN Q
  • 专利权人:   CHENGDU NEW KELI CHEM SCI CO LTD
  • 国际专利分类:   C08L063/00, C08K003/04
  • 专利详细信息:   CN108752873-A 06 Nov 2018 C08L-063/00 201883 Pages: 9 Chinese
  • 申请详细信息:   CN108752873-A CN10670347 26 Jun 2018
  • 优先权号:   CN10670347

▎ 摘  要

NOVELTY - Preparing self-healing graphene epoxy resin comprises (i) reacting 2,2'-dithiodiethanol, tetrabutylammonium bromide and epichlorohydrin at 70-90 degrees C for 2-4 hours to obtain reaction liquid, where weight ratio between 2,2'-dithiodiethanol, tetrabutylammonium bromide and epichlorohydrin is 3-7:2-8:5-10, (ii) dispersing graphene oxide into water, adding sodium hydroxide to make mass fraction of sodium hydroxide 10-15 wt.% solution to obtain dropping liquid, and (iii) dropping reaction liquid of step (ii) into reaction liquid of step (i), where dropping temperature is 70-90 degrees C, dropping rate is 80-150 drops/minute, lowering temperature to 50-70 degrees C, adding toluene for 0.5-2 hours, and distilling under reduced pressure to obtain final product. USE - The self-healing graphene epoxy resin is useful in electronic product packaging (claimed). ADVANTAGE - The graphene epoxy resin: has intrinsic self-healing material and multiple repairing capabilities, excellent mechanical properties, simple and easy process; and process does not require addition of catalyst and other repairing reagents. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for self-healing graphene epoxy resin obtained by above method.