▎ 摘　　要

NOVELTY - Preparing polymer/graphene oxide composite adhesive involves passing aadhesive by graphene oxide nanosheets and polymers with a lateral average size in the range of 100-500 nanometer composite particles combined by chemical grafting. The oil phase consisting of vinyl modified graphene oxide nanosheets, hydrophobic vinyl monomer, polar vinyl monomer, and co-stabilizer. The dispersion liquid is mixed with the emulsifier and/or the aqueous solution of the dispersant to obtain an oil-water mixed dispersion liquid. The oil-water mixed dispersion is sheared at a high speed to obtain a monomer micro-suspension containing graphene oxide, and then polymer/graphene oxide composite adhesive is prepared by free radical copolymerization. The mass amount of vinyl-modified graphene oxide nanosheets accounts for 0.1-20% of the total mass amount of vinyl monomers, and the mass amount of hydrophobic vinyl monomers is 80-99.9% of the total mass amount of vinyl monomers. USE - Method for preparing polymer/graphene oxide composite adhesive. ADVANTAGE - The method enables to prepare polymer/graphene oxide composite adhesive has high thermal conductivity and antistatic performance, in simple manner. DETAILED DESCRIPTION - Preparing polymer/graphene oxide composite adhesive involves passing aadhesive by graphene oxide nanosheets and polymers with a lateral average size in the range of 100-500 nanometer composite particles combined by chemical grafting. The oil phase consisting of vinyl modified graphene oxide nanosheets, hydrophobic vinyl monomer, polar vinyl monomer, and co-stabilizer. The dispersion liquid is mixed with the emulsifier and/or the aqueous solution of the dispersant to obtain an oil-water mixed dispersion liquid. The oil-water mixed dispersion is sheared at a high speed to obtain a monomer micro-suspension containing graphene oxide, and then polymer/graphene oxide composite adhesive is prepared by free radical copolymerization. The mass amount of vinyl-modified graphene oxide nanosheets accounts for 0.1-20% of the total mass amount of vinyl monomers, and the mass amount of hydrophobic vinyl monomers is 80-99.9% of the total mass amount of vinyl monomers. The mass amount of polar vinyl monomer is 0.1-20% of the total mass amount of vinyl monomer, and the mass amount of co-stabilizer is 2-12% of the total mass amount of vinyl monomer. The hydrophobic vinyl monomer is selected from acrylate or methacrylate monomers represented by formula (I), vinyl acetate, and styrene. The polar vinyl monomer is selected from hydroxyalkyl methacrylate, hydroxyalkyl acrylate, acrylamide, N-hydroxyalkyl acrylamide, methacrylic acid, acrylic acid, methacrylic acid methylaminoethyl, glycidyl acrylate, glycidyl methacrylate. The vinyl-modified graphene oxide nanosheets are prepared by the following method: adding graphene oxide nanosheets to a modified solvent, and ultrasonically preparing a uniform graphene oxide dispersion, followed by adding a vinyl modifier, and the temperature is adjusted to 30-60 degrees C, the reaction is 0.5-72 hours, dried and purified to obtain vinyl modified graphene oxide nanosheets. The mass dosage of graphene oxide is 0.05-3.0% of the mass dosage of the modified solvent, and the mass dosage of vinyl modifier is 0.1-30.0% mass dosage of graphene oxide. The vinyl modifier is selected from 2-isocyanoethyl methacrylate, 2-isocyanoethyl acrylate, vinyl silane coupling agent, amino-terminated vinyl functional monomer. The amino terminal vinyl functional monomers are amino acrylate hydrochloride and amino methacrylate hydrochloride represented by formula (II) and N-(aminoalkyl) acrylamide hydrochloric acid represented by formula (III), salt and N-(aminoalkyl)methacrylamide hydrochloride.. R1=H or methyl; R2=1-20C aliphatic linear, branched or cyclic alkyl; R3 and R5=H or methyl; and R4 and R6=1-5C alkyl.