▎ 摘　　要

NOVELTY - Preparing graphene/styrene-ethylene-butylene-styrene thermoplastic elastomer comprises (i) performing semi-in-situ polymerization-hydrogenation by mixing alcohol, mixed solvent of ketones and esters and dissolving to obtain graphene/styrene-butadiene-styrene triblock copolymer composite material and mixing residual colloid after distillation with styrene-butadiene-styrene triblock copolymer, and (ii) adding above graphene/styrene-butadiene-styrene triblock copolymer composite material into pressure-resistant hydrogenation reactor, then adding cyclohexane, tetrahydrofuran solvent and mixing uniformly under nitrogen environment at room temperature, mixing bis(cyclopentadienyl)tungsten(IV) dichloride and triisobutylaluminum, dissolving in cyclohexane in batches and mixing uniformly, adding mixed liquid into the pressure-resistant hydrogenation reactor, heating, performing hydrogenation reaction, water-cooling the above polymer and drying. USE - The elastomer is useful in field of adult products. ADVANTAGE - The elastomer: has excellent tensile properties, aging resistance, corrosion resistance, unique antibacterial and far-infrared properties. DETAILED DESCRIPTION - Preparing graphene/styrene-ethylene-butylene-styrene thermoplastic elastomer comprises (i) performing semi-in-situ polymerization-hydrogenation by mixing alcohol, mixed solvent of ketones and esters in a mass ratio of 1:3-10 and dissolving to obtain graphene/styrene-butadiene-styrene triblock copolymer composite material, then adding graphene into the swelling system in batches, and performing sufficient stirring for 4-8 hours, allowing to stand for 6-8 hours, pouring out the supernatant to obtain uniform graphene/styrene-butadiene-styrene triblock copolymer composite material, distilling the decanted supernatant under reduced pressure, evaporating and retaining condensed solution is as solvent for reuse, then mixing the residual colloid after distillation with styrene-butadiene-styrene triblock copolymer, (ii) adding 100-1000 g above graphene/ styrene-butadiene-styrene triblock copolymer composite material into pressure-resistant hydrogenation reactor, then adding 10-25 kg cyclohexane, 40-70 g tetrahydrofuran solvent and mixing uniformly under nitrogen environment at room temperature, mixing 0.01-0.05 mmol bis(cyclopentadienyl)tungsten(IV) dichloride and 0.1-0.5 mmol triisobutylaluminum, dissolving in 5-20 ml cyclohexane in batches and mixing uniformly, adding mixed liquid into the pressure-resistant hydrogenation reactor under a hydrogen injection pressure of 10-90 kg/cm2, heating at 10-80 degrees C, performing hydrogenation reaction for 1-10 hours, water-cooling the above polymer and drying under reduced pressure to obtain final product.