▎ 摘　　要

NOVELTY - Preparing graphene network conductive coating comprises (i) grinding and dissolving sulfonated polyaniline and methylpyrrolidone to obtain sulfonated polyaniline liquid; (ii) dissolving 2-methylimidazole in ammonia water, adding zinc nitrate hexahydrate, stirring, adding sulfonated polyaniline liquid, and drying to obtain metal organic framework sulfonated polyaniline composite material; (iii) grinding and crushing metal organic framework sulfonated polyaniline composite material, and adding sodium hydroxide into graphene oxide, adding hydrazine hydrate reduction reaction to obtain modified graphene; and (iv) dispersing modified graphene in water, filtering agglomerated large particles, adding polyacrylate emulsion, styrene-acrylate emulsion, and antifoaming agent, stirring and mixing, sieving, adding auxiliary agent, and packaging to obtain graphene network conductive coating, adding film-forming auxiliary agent, mixing, sieving, and encapsulating. USE - The coating is useful for flexible circuits and foldable and curved circuit printing. ADVANTAGE - The coating has good conductive network and improved conductivity, excellent flexibility. DETAILED DESCRIPTION - Preparing graphene network conductive coating comprises (i) grinding and dissolving sulfonated polyaniline and methylpyrrolidone at a mass ratio of 1:1-3 to obtain sulfonated polyaniline liquid; (ii) dissolving 2-methylimidazole in ammonia water, adding zinc nitrate hexahydrate, stirring, adding sulfonated polyaniline liquid, continuously stirring, subjecting to hydro-thermal processing, filtering, washing, and drying to obtain metal organic framework sulfonated polyaniline composite material; (iii) grinding and crushing metal organic framework sulfonated polyaniline composite material, and adding sodium hydroxide into graphene oxide, adding hydrazine hydrate reduction reaction to obtain modified graphene; and (iv) ultrasonically dispersing modified graphene in water, filtering the agglomerated large particles, adding polyacrylate emulsion, styrene-acrylate emulsion, and antifoaming agent, uniformly stirring and mixing, sieving, adding auxiliary agent, mixing uniformly, sieving, and packaging to obtain graphene network conductive coating, adding film-forming auxiliary agent, uniformly mixing, sieving, and encapsulating. An INDEPENDENT CLAIM is also included for graphene network conductive coating, prepared as mentioned above.