▎ 摘　　要

NOVELTY - Preparing multifunctional rubber composite material comprises taking montmorillonite, adding to water, stirring, adding graphene, stirring, obtaining composite powder suspension, adding natural rubber latex into composite suspension, stirring, adding calcium chloride, breaking latex emulsion, settling, cutting the rubber block into small blocks, washing with distilled water, adding silver nitrate in the filtrate and waiting until the precipitation is no white, placing the rubber block into an oven, drying to obtain co-precipitated rubber, adding e.g. co-precipitated rubber, stearic acid, zinc oxide, accelerant 2-mercaptobenzothiazole, accelerant dibenzothiazole disulfide, accelerator tetramethylthiuram disulfide to a torque rheometer, starting, mixing, cooling the rubber material, adding sulfur, mixing to obtain mixed rubber and placing the mixed rubber at room temperature, placing in a flat vulcanizing machine, vulcanizing mixed rubber to obtain rubber composite material. USE - The multifunctional rubber composite material is useful for rail transportation (claimed). ADVANTAGE - The method improves the vulcanization and mechanical properties of rubber composites and enables montmorillonite which does not have toxic substances and avoids harm to the human body. DETAILED DESCRIPTION - Preparing multifunctional rubber composite material comprises (a) obtaining montmorillonite, graphene, natural rubber latex, stearic acid, zinc oxide, antioxidant N-isopropyl-N-phenyl-p-phenylenediamine, accelerant 2-mercaptobenzothiazole, accelerant dibenzothiazole disulfide, accelerant tetramethylthiuram disulfide, sulfur, calcium chloride, silver nitrate, (b) taking montmorillonite, adding to water, stirring for 0.5 hours, adding graphene, continuously stirring for 0.5 hour at 50degrees Celsius, obtaining composite powder suspension, (c) adding natural rubber latex prepared in the above (a) into composite suspension in the (b), stirring for 2.5 hours, adding 5% calcium chloride, breaking latex emulsion, settling, (d) cutting the rubber block into small blocks, washing with distilled water, adding 1% silver nitrate in the filtrate and waiting until the precipitation is no white, finally placing the rubber block into an oven, drying at 60degrees Celsius to obtain co-precipitated rubber, (e) adding co-precipitated rubber, stearic acid, zinc oxide, antioxidant N-isopropyl-N-phenyl-p-phenylenediamine, accelerant 2-mercaptobenzothiazole, accelerant dibenzothiazole disulfide, accelerator tetramethylthiuram disulfide to a torque rheometer, starting the torque rheometer, uniformly mixing for 3 hours, cooling the rubber material, adding sulfur, mixing to obtain a mixed rubber (semifinished rubber composite material) and (f) placing the mixed rubber obtained in the above (e) at room temperature for 24 hours, placing in a template, placing in a flat vulcanizing machine and vulcanizing the mixed rubber at 150degrees Celsius for t90 to obtain rubber composite material.