▎ 摘　　要

NOVELTY - Preparing high wear-resistant tire tread rubber comprises (i) uniformly mixing graphene and sulfuric acid in a three-necked flask, adding absolute ethanol, placing the three-necked flask in an ice-water bath, stirring, then placing the three-necked flask in a water bath, venting the flask with nitrogen; (ii) uniformly mixing step (i) product with sodium dodecyl sulfate, sodium nitrate and sodium dichromate in a three-necked flask and stirring evenly, adding aqueous hydrogen peroxide; (iii) preparing tire tread rubber base material; and (iv) preparing high wear-resistant tire tread rubber. USE - The method is useful for preparing high wear-resistant tire tread rubber (claimed). ADVANTAGE - The high wear-resistant tire tread rubber has Akron abrasion less than 0.19 cm3/1.61km; can be adapted to the highway needs of the road; increases automobile tire use life; and is safe. DETAILED DESCRIPTION - Preparing high wear-resistant tire tread rubber comprises (i) uniformly mixing graphene and 92% sulfuric acid in the solid-liquid ratio of 1:3 in a three-necked flask comprising belt with a stirrer, reflux condenser and dropping funnel, adding 15-20 vol.% absolute ethanol, placing the three-necked flask in an ice-water bath, stirring at 150 rotations/minute for 33-43 minutes, then placing the three-necked flask in a water bath, venting the flask with nitrogen, maintaining temperature at 45-50 degrees C for 10-15 minutes; (ii) uniformly mixing step (i) product with 0.8-1.2 wt.% sodium dodecyl sulfate, 34-43 wt.% sodium nitrate and 2-4 wt.% sodium dichromate in a three-necked flask and stirring evenly at 300 rotations/minute for 33-36 minutes, adding 22-27 vol.% 1.1 mol/l aqueous hydrogen peroxide dropwise at the rate of 1 drop/seconds using a dropping funnel; (iii) stirring the step (ii) product under 400 rotations/minute at 35-37 degrees C for 2-4 hours, then subjecting to filtration under reduced pressure, washing the residue with distilled water to neutral, placing the washed residue in a oven, drying at 100-105 degrees C for 7-9 hours, uniformly mixing dried residue with silica in the mass ratio of 3:1, placing in a furnace, sintering at 1200-1300 degrees C under nitrogen protection for 30-40 minutes, cooling to room temperature, pulverizing over 200 meshes sieve, collecting sieving particles, to obtain tire tread rubber base material; and (iv) weighing 43-46 pts. wt. epoxidized natural rubber, 21-23 pts. wt. butadiene rubber, 22-24 pts. wt. tire tread rubber base material, 2-4 pts. wt. stearic acid, 1-2 pts. wt. sulfur, 0.6-0.9 pts. wt. paraffin, 0.4-0.7 pts. wt. N-phenyl-2-naphthylamine, 0.2-0.5 pts. wt. triethanolamine and 0.1-0.2 pts. wt. phthalic anhydride, uniformly mixing epoxidized natural rubber, butadiene rubber and tire tread rubber base material, transferring into a mill, carrying out plastic refining at 130-150 degrees C for 10-15 minutes, then uniformly mixing the mixture with stearic acid, paraffin, N-phenyl-2-naphthylamine, triethanolamine and phthalic anhydride in a mixer at 140-150 degrees C under 1.4-1.7 MPa pressure, 160 rotations/minute speed for 7-11 minutes, then adding sulfur, and mixing uniformly for 4-6 minutes, to obtain the final product.