▎ 摘　　要

NOVELTY - Graphene-modified high TG2 heavy-duty anticorrosive powder coating comprises component A and component B, where the component A comprises 48-76 wt.% modified epoxy resin, 1-3 wt.% isophorone, 7-22 wt.% pigment filler, 0.3-0.8 wt.% benzoin, 6-13 wt.% trimeric phosphorus zinc aluminum, 1-3 wt.% modified graphene, 6-12 wt.% leveling agent and 2-8 wt.% curing accelerator and componentds B comprises 65-75 wt.% phenolic curing agent, 23-27 wt.% flexible epoxy resin and 2-8 wt.% polyacrylate. USE - Graphene-modified high TG2 heavy-duty anticorrosive powder coating. ADVANTAGE - The graphene-modified high TG2 heavy-duty anticorrosive powder coating has high density and improves the coating film TG2 and the coating film. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a graphene-modified high TG2 heavy-duty anticorrosive powder coating, which involves: (A) heating the screw barrel of the mixing, extrusion and dispersion device to 100-200 degrees C, and adding the materials in the A component in proportion to the hopper of the mixing, extrusion and dispersion device;Estarting the screw of the mixing, extrusion and dispersion device, adjusting the screw speed to 45-80 r min-1, starting the feeder, and extruding mixture in the hopper by the screw in the barrel; (B) cooling the extruded mixture when the mixture is sufficiently cooled, transferring the mixture to the tablet press for crushing treatment; (C) sending the crushed mixed material into a grinder to grind through a 250-mesh sieve to obtain component A mixed powder; (D) adding materials in the B component in proportion to the grinder and grinding through a 250-mesh sieve to obtain the B component mixed powder; and (E) adding the mixed powder of component A and the mixed powder of component B in proportion to the stirring and dispersing kettle for thorough mixing to obtain final product.