▎ 摘　　要

NOVELTY - Anticorrosive paint comprises component (A) and component (B) in a mass ratio of 1:1, the component (A) comprises 80-110 parts mass acrylic polyurethane water dispersion, 0.5-1.5 parts mass thickener, 10-25 parts mass deionized water and 10-20 parts mass graphene, and the component (B) comprises 3-10 parts mass propylene glycol methyl ether acetate, 1-5 parts mass dispersant, 0.1-0.15 parts mass defoamer, 10-30 parts mass deionized water, 5-10 parts mass nano aluminum oxide and 5-10 parts mass nano magnesium oxide. USE - The anticorrosive paint is used for farmland pest monitoring device. ADVANTAGE - The anticorrosive paint has strong corrosion resistance, high compressive strength and high wear resistance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for producing the anticorrosive paint comprising (a) preparing graphene, (b) adding thickener and deionized water into a stirrer, mixing at 300 rpm, adding the acrylic polyurethane water dispersion and graphene, and dispersing at high speed for 30-40 minutes to obtain the component (A), (c) using aluminum isobutoxide as a precursor, adding acetylacetone and ammonium nitrate to produce nano aluminum oxide particles, and preparing precursors with magnesium acetate tetrahydrate and oxalic acid dihydrate, drying in an oven at 800 degrees C, and calcining magnesium oxalate in a muffle furnace at 6000 degrees C to obtain nano magnesium oxide, (d) adding propylene glycol methyl ether acetate, dispersant, defoamer, deionized water, nano aluminum oxide, and nano magnesium oxide to the mixer and mixing at a speed of 1000 rpm, and dispersing at high speed for 30-40 minutes to obtain component (B), and (e) mixing component (A) and component (B), evenly and using after 20 minutes for aging. The step (a) involves (a1) adding the raw materials of graphene into the reaction kettle to stir and mix evenly, washing the centrifuge for first time to remove impurities, collecting impurities and using oven to dry, (a2) using electromagnetic magnetic separator to remove impurities in the second pass of magnetic separation of 20000 Gauss magnetic quantity, (a3) adding the impurities-removed graphene, and 99% acetic acid, 98% concentrated acid, 27.5% hydrogen peroxide, and analytically pure potassium dichromate in a ratio of 1%: 1%:0.5%:0.5%:0.06%, reacting for 2-3 hours at a temperature of for 80-100 degrees C, centrifuging, washing to pH 5-6, drying and separating the graphite and liquid nitrogen by a stainless steel wire braided net, and finally using a high-energy ultrasonic vibration device for peeling treatment for 1.5-2 hours, (a4) drying the dehydrated graphite slurry through the spray drying equipment, adding the dehydrated graphite into a graphite crucible and adding into a vacuum tube type high-temperature furnace with nitrogen protection to obtain high purity expanded graphite, and (a5) crushing the expanded graphite by a stainless steel airflow.