• 专利标题:   High-performance, high-wear-resistant tire tread rubber comprises natural rubber, carbon black, white carbon black, graphene, nano-alumina, zinc oxide, stearic acid, silane coupling agent, antioxidant, dispersing agent, accelerator, anti-scorch agent and sulfur.
  • 专利号:   CN115286846-A
  • 发明人:   LI Z, JIN J, MA Y, LIU X, ZHU W, ZHANG B, ZHAMU A, GAO H
  • 专利权人:   GLOBAL GRAPHENE QINGDAO CO LTD
  • 国际专利分类:   B60C001/00, C08K003/04, C08K005/09, C08K007/24, C08K007/26, C08K009/06, C08L007/00, C08L091/06
  • 专利详细信息:   CN115286846-A 04 Nov 2022 C08L-007/00 202302 Chinese
  • 申请详细信息:   CN115286846-A CN10959499 11 Aug 2022
  • 优先权号:   CN10959499

▎ 摘  要

NOVELTY - High-performance, high-wear-resistant tire tread rubber comprises 100 pts. wt. natural rubber, 20-25 pts. wt. carbon black, 30-35 pts. wt. white carbon black, 3-5 pts. wt. graphene, 5-10 pts. wt. nano-alumina, 3-5 pts. wt. zinc oxide, 2-3 pts. wt. stearic acid, 3-5 pts. wt. silane coupling agent, 2-3 pts. wt. antioxidant, 1-3 pts. wt. dispersing agent, 1-2 pts. wt. accelerator, 0.5-1 pts. wt. anti-scorch agent and 1-2 pts. wt. sulfur. USE - Used as high-performance, high-wear-resistant tire tread rubber. ADVANTAGE - The tire tread rubber has good wear-resisting property and physical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation method of high-performance, high-wear-resistant tire tread rubber, comprising (1) providing each raw material, (2) mixing graphene, nano-alumina, and white carbon black for the first time in a high-speed mixer, adding silane coupling agent and stearic acid, mixing for the second time to obtain mixture A, (3) plasticizing the natural rubber for 1-2 minutes in the internal mixer, adding carbon black, zinc oxide, antioxidant, dispersant, and accelerator to carry out internal mixing for 1-3 minutes, adding the mixture A, carrying out banburying for 1-3 minutes, and carrying out debinding at 140-160℃, and (4) adjusting the roll distance of the open mill to 1.3-1.7mm, re-milling the film discharged from the internal mixer for 2-3 times in the open mill, covering the rolls, adding sulfur and anti-scorch agent, turning over the rubber left and right to obtain tire tread rubber with high performance and high wear resistance.