▎ 摘　　要

NOVELTY - Process for preparing anticorrosive material, involves (a) dehydrating polyether polyol and castor oil under vacuum, drying dimethylol propionic acid, dehydrating acetone with 4A molecular sieve, and mixing the above solutions, (b) pouring the mixed solution into a heating chamber, adding isophorone diisocyanate and a small amount of dibutyltin dilaurate, heating, adding dimethylolpropionic acid, chain extender and crosslinking agent for chain extension reaction, evenly stirring, adding catalyst, heating and reacting to obtain a mixed solution, (c) cooling the mixed solution in step (b), adding triethylamine for neutralization and stirring, adding deionized water, and adding ethylenediamine for chain extension to obtain a crosslinked modified aqueous polyurethane emulsion, (d) adding the aqueous polyurethane emulsion, leveling agent, thickening agent and defoaming agent and stirring, and adding graphene to obtain the anticorrosive material, and (e) analyzing and testing the material. USE - The process is useful for preparing anticorrosive material. ADVANTAGE - The anticorrosive material has excellent quality and reduces production costs. DETAILED DESCRIPTION - Process for preparing anticorrosive material, involves (a) dehydrating polyether polyol and castor oil under vacuum at 120 degrees C and 0.09 MPA for 1 hour, drying dimethylol propionic acid in a drying oven at 110 degrees C for 2 hours before use, dehydrating acetone with 4A molecular sieve, and mixing the above solutions, (b) pouring the mixed solution into a heating chamber, adding isophorone diisocyanate and a small amount of dibutyltin dilaurate, heating at 75-90 degrees C for 2 hours, adding dimethylolpropionic acid, chain extender and crosslinking agent for chain extension reaction for 2 hours, evenly stirring, adding catalyst, heating and reacting to obtain a mixed solution, (c) cooling the mixed solution in step (b), adding triethylamine for neutralization and stirring, adding deionized water for high-speed shear dispersion, and adding ethylenediamine for chain extension to obtain a crosslinked modified aqueous polyurethane emulsion, (d) adding the aqueous polyurethane emulsion, leveling agent, thickening agent and defoaming agent and stirring, and adding graphene to obtain the anticorrosive material, and (e) analyzing and testing the anti-corrosion material. An INDEPENDENT CLAIM is included for a production line comprising heating chamber, heat exchange device, drying spraying room, mixing chamber, main air duct, air duct branch and liquid supply main pipe, where the heating chamber is used for heating anti-corrosion materials, the one end of the heating chamber is connected with the mixing chamber through a conveying pipe, the other end of the heating chamber is connected to the drying spraying chamber through the main air duct, the liquid outlet end of the heating chamber is connected to the heat exchange device, the one end of the heat exchange device is connected to the main air duct through the air duct branch, the other end of the heat exchange device is connected to the liquid supply main pipe, liquid supply branch pipes are installed on the liquid supply main pipe, liquid supply branch pipes are installed on the drying spraying room, and the liquid supply branch pipes are installed with spray heads in the drying spraying room.