▎ 摘　　要

NOVELTY - High tensile and tear resistant rubber seal comprises 100 parts mass styrene butadiene rubber, 45-48 parts mass carbon black, 1-2 parts mass N-cyclohexyl maleimide, 0.5-1.5 parts mass N-phenyl-1-naphthylamine, 0.5-1 part mass montmorillonite, 0.7-1.5 parts mass polyether triol N330, 0.5-1 part mass nano graphene, 0.6-1.2 part mass nano tin oxide, 1-2 parts mass N-isopropyl-N'-phenyl-p-phenylenediamine, 1-3 parts mass zinc oxide, 2-4 parts mass aromatic oil, 1-2 parts mass stearic acid, 0.5-1.5 parts mass 2,2'-dithiodibenzothiazole, 1-2 parts mass sulfur, and 2-3 parts mass vulcanizing agent DTDM. USE - The high tensile and tear resistant rubber seal is used for sluice gate. ADVANTAGE - The high tensile and tear resistant rubber seal has excellent tensile and tear resistance properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the high tensile and tear resistant rubber seal, which involves (i) taking styrene butadiene rubber, carbon black, N-cyclohexyl maleimide, N-phenyl-1-naphthylamine, montmorillonite, polyether triol N330, nano graphene, nano tin oxide, N-isopropyl-N'-phenyl-p-phenylenediamine, zinc oxide, aromatic oil, stearic acid, 2,2'-dithiodibenzothiazole, sulfur, and vulcanizing agent DTDM, (ii) mixing carbon black, N-cyclohexylmaleimide and N-phenyl-1-naphthylamine, reacting in a reactor at 160-170 degrees C for 4-5 hours, and cooling to room temperature, (iii) adding montmorillonite, polyether triol N330, nano-graphene and nano-tin oxide to the mixture obtained in step (ii), grinding and mixing with a three-roller, and sieving through a 300 mesh sieve, and (iv) passing the styrene-butadiene rubber on a two-roll mill for 3 times, adding the sieved mixture obtained in step (iii), stearic acid and N-isopropyl-N'-phenyl-p-phenylenediamine through mixing to obtain a rubber compound, adding zinc oxide, aromatic oil and 2,2'-dithiodibenzothiazole to the rubber compound, adding sulfur and vulcanizing agent DTDM to obtain the rubber compound, passing 4-6 times and sending to an extruder for extrusion molding, leaving still for one day, and vulcanizing at 170-180 degrees C and mixing roller temperature of 50-60 degrees C for 20-25 minutes.