▎ 摘　　要

NOVELTY - Semi-conductive shielding material comprises 30-60 pts. wt. modified epoxy resin, 10-20 pts. wt. graphene-polyaniline, and 12-24 pts. wt. basic copper carbonate microsphere. USE - Semi-conductive shielding material is useful for coating. ADVANTAGE - The material has strong anti-cracking performance, and enhanced electric shielding effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the semi-conductive shielding material for coating comprises (i) mixing benzodioxazole and dimethylacetamide with 4 times the mass of benzobisoxazole in a three-mouth flask, adding biphenyltetracarboxylic anhydride of 0.5 times the mass of benzobisoxazole, stirring at normal temperature under 1500 revolutions/minute for 3 hours, transfering to an ice bath and continuously stirring for 24 hours to obtain modified polyamide; (ii) mixing the modified polyamide and epoxy resin in a three-necked flask at a mass ratio of 6:1, adding toluene sulfonic acid with a mass of 0.06 times the modified polyamide, and stirring the reaction at 75-85degreesC under 800 revolutions/minute for 3.5 hours to obtain modified epoxy resin; (iii) mixing graphene dispersion liquid, aniline and hydrochloric acid with a mass fraction of 10% in a round-bottomed flask at a mass ratio of 4:1:10 under ice bath conditions, magnetically stirring under at 1200 revolutions/minute for 10 minutes, adding dropwise 0.125 times the mass of the graphene dispersion to an ammonium persulfate solution with mass fraction of 10%, and dropping rate is 15 drops/minute, continuously stirring for 4 hours, and suction filtering graphene-polyaniline; (iv) mixing sodium dodecyl sulfate solution of 0.03 mol/l and the sodium carbonate solution of 0.1 mol/l by mass ratio 1:10 under the magnetic stirring of 800 revolutions/minute; and (v) mixing the intrinsic state graphene-polyaniline and octavinylsilsesquioxane in a mass ratio of 1:1.5 under an argon atmosphere, adding anhydrous aluminum chloride with 2 times the mass of eigen state graphene-polyaniline, dichloroethane with 0.5 times the mass of eigen state graphene-polyaniline, and modifying 3 times the mass of eigen state graphene-polyaniline epoxy resin and eigen state graphene-polyaniline 1.2 times the mass of basic copper carbonate microspheres, stirring at 1200 revolutions/minute for 0.5 hours at room temperature, heating to 80degreesC, carrying out reflux reaction for 24 hours, cooling to room temperature, carrying out suction filtration to obtain solid, placing the solid in a Soxhlet extractor and purified with tetrahydrofuran and methanol as solvents for 48 hours, and finally vacuum-drying at 60degreesC and 10 Pa for 13 hours.