▎ 摘　　要

NOVELTY - Preparing high-thermal-conductivity tire vulcanization capsule, comprises e.g. (i) weighing butyl rubber, neoprene, N375 carbon black, acetylene carbon black, graphene, alkane oil, stearic acid, zinc oxide and resin, (ii) mixing butyl rubber, neoprene, stearic acid, graphene, half amount of N375 carbon black, half amount of acetylene carbon black, half amount of N375 carbon black, half amount of acetylene carbon black and alkane oil, discharging rubber, and cooling, (iii) extruding the obtained film, and filtering to obtain film, (iv) mixing the obtained rubber sheets, adding resin and zinc oxide during mixing, and extruding rubber strips, (v) cooling obtained rubber strip into cold feed forming machine and preheating, (vi) vulcanizing the obtained material blanks in a vulcanizing machine and, (vii) polishing the middle mouth of the high-thermal-conductivity tire vulcanization capsule smoothly and neatly, and (viii) inspecting quality and storing. USE - The method is useful for preparing high-thermal-conductivity tire vulcanization capsule. ADVANTAGE - The method: improves thermal conductivity while ensuring stability of physical and mechanical properties, production efficiency and operation environment, and tire production process; achieves objective of conserving energy; reduces costs; ensures mixing quality and mixing uniformity; improves; saves energy; and shortens mixing time. DETAILED DESCRIPTION - Preparing high-thermal-conductivity tire vulcanization capsule, comprises (i) weighing 95 pts. wt. butyl rubber, 4-5 pts. wt. neoprene, 15-20 pts. wt. N375 carbon black, 35-45 pts. wt. acetylene carbon black, 7-15 pts. wt. graphene, 7-10 pts. wt. alkane oil, 0.5-1.5 pts. wt. stearic acid, 5-7 pts. wt. zinc oxide and 8-10 pts. wt. resin, (ii) adding butyl rubber, neoprene, stearic acid, graphene, half amount of N375 carbon black, half amount of acetylene carbon black, half amount of N375 carbon black, half amount of acetylene carbon black and alkane oil to meshing type closed rubber mixer and mixing, discharging rubber, controlling rubber discharging temperature at 140-150 degrees C under pressure of 4.5-6 Pa, stirring at a rotating speed of 35-50 revolutions/minute for 240 seconds, dissipating the obtained mixed rubber on the rubber mixer, then releasing rubber materials and cooling by passing cooling lines, (iii) adding the obtained film into the extruder using equipment as a pin barrel cold feed filter rubber extruder, filtering, maintaining head temperature to 35 plus minus 5 degrees C, and filtering using two layers of filter screens to obtain film, (iv) mixing the obtained rubber sheets using an open-type rubber mixer and a hot feed extruder, then controlling the front roller temperature of the open-type rubber mixer to 50-70 degrees C and the back roller temperature to 55-75 degrees C, adding resin and zinc oxide during mixing process, adding the obtained rubber sheets into the hot feed extruder and extruding rubber strips, controlling the rubber strips temperature to less than or equal to 120 degrees C, sending the obtained rubber strips to a material hanging room and placing, (v) adding obtained rubber strip into the cold feed forming machine and extruding the blank, maintaining the screw rod temperature setting range of cold feed forming machine to 40-50 degrees C and motor speed to 800-1200 revolutions/minute, then adding the extruded billet into an oven in order and preheating, (vi) dividing vulcanizing machine into two types: a compression type and an injection type, then placing the obtained material blanks in a vulcanizing machine and vulcanizing at 175-210 degrees C for 15-150 minutes under pressure of 9-25 Pa to obtain high-thermal-conductivity tire vulcanization capsule, (vii) polishing the middle mouth of the high-thermal-conductivity tire vulcanization capsule smoothly and neatly using grinding wheel, and requiring that the depth should not exceed to 0.5 mm, and (viii) inspecting quality of the high-thermal-conductivity tire vulcanization capsule, and storing.