• 专利标题:   Moisture-proof anticorrosive epoxy resin-based heat-dissipation powder coating contains bisphenol A, rosin glyceride emulsion, carbon nanotubes, chitosan, graphene, sericite powder, PTFE powder, microporous calcium silicate and pigment.
  • 专利号:   CN106147521-A
  • 发明人:   CHEN J, HUO B, LI Z, LIU X, SUN H, ZHAO Z
  • 专利权人:   HEFEI YANMEI POWDER COATING CO LTD
  • 国际专利分类:   C08G059/06, C08K003/04, C08K007/00, C09D163/00, C09D005/03, C09D005/08, C09D007/12
  • 专利详细信息:   CN106147521-A 23 Nov 2016 C09D-163/00 201720 Pages: 4 Chinese
  • 申请详细信息:   CN106147521-A CN10529758 07 Jul 2016
  • 优先权号:   CN10529758

▎ 摘  要

NOVELTY - A moisture-proof anticorrosive epoxy resin-based heat-dissipation powder coating comprises 35-38 pts. wt. bisphenol A, 20-22 pts. wt. epichlorohydrin, 3.2-4.1 pt. wt. carbon nanotubes, 2.3-3.5 pts. wt. chitosan, 8-10 pts. wt. PTFE powder, 2.8-3.4 pts. wt. tridecafluorooctyl triethoxysilane, 4-6 pts. wt. tetramethyl ethylenediamine, 5-7 pts. wt. graphene, 9-10 pts. wt. sericite powder, 6-8 pts. wt. Folium artemisiae extract, 14-16 pts. wt. sandalwood, 9-11 pts. wt. rosin glyceride emulsion, 3-5 pts. wt. 325-400 mesh microporous calcium silicate and 8-9 pts. wt. pigment. USE - Moisture-proof anticorrosive epoxy resin-based heat-dissipation powder coating. ADVANTAGE - The powder coating has excellent compatibility, high storage stability, high tensile vibration strength of the carbon-chlorine bonding, excellent anti-corrosion properties and high product hydrophobicity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of moisture-proof anticorrosive epoxy resin-based heat-dissipation powder coating, which involves (i) drying sandalwood, crushing and grinding over 200 mesh sieve, adding rosin glycerin emulsion, stirring, mixing and maintaining for 12-14 hours, granulating, sintering at 800-1000 degrees C for 20-30 minutes under a nitrogen atmosphere to obtain a premix, (ii) calcining sericite powder at 710-800 degrees C for 2-3 hours, cooling the calcined material to 60-80 degrees C, spraying Folium artemisiae extract, maintaining the temperature and stirring for 3-5 hours, drying, adding tridecafluorooctyl triethoxysilane and 325-400 mesh microporous calcium silicate, ultrasonically dispersing for 20-30 minutes, adding the obtained premix and graphene, ball milling evenly, granulating to obtain particle size of 2-4 mu m to obtain modified auxiliary material, (iii) placing bisphenol A in 10% sodium hydroxide solution, heating at 60 degrees C and mixing, cooling to 55 degrees C, and adding carbon nanotubes, ultrasonically dispersing for 30 minutes, heating at 80 degrees C, adding epichlorohydrin, maintaining the temperature, ultrasonically dispersing for 4 hours, washing with cold water and hot water at 80 degrees C alternately to neutral, drying at low temperature of 50 degrees C to obtain modified epoxy resin, and (iv) adding the obtained modified epoxy resin, chitosan and other remaining components into the high-speed mixer, mixing, and carrying out melt extrusion in twin-screw extruder, cooling and milling over 250-300 mesh sieve and discharging.