▎ 摘 要
NOVELTY - Preparing environmentally friendly charcoal healthcare coating comprises (i) ball milling mixture of charcoal powder, sodium carboxylate, graphene, titanium dioxide, aluminum silicate, fatty alcohol polyoxyethylene ether ammonium sulfate and water in a ratio of 30:0.1-0.3:0.05-0.08:20-26:8-12:4-6:60-80, and (ii) mixing vinyl acetate-ethylene copolymer emulsion, aqueous ammonia, water and the ball mill mixture, where the mass ratio of the big ball to the small ball is 3:0.8-1.2, the mass ratio of grinding balls to materials is 10:0.8-1.2, the ball milling speed is 2000-2500 revolutions/minute, and the ball milling time is 45-60 minutes, and the average particle diameter of the charcoal powder is 3-5 mm. USE - The method is useful for preparing environmentally friendly charcoal healthcare coating. ADVANTAGE - The coating improves indoor air. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for environmentally friendly charcoal healthcare coating prepared by the above method.