The invention relates to the technical field of rubber tires, in particular to a tread rubber composition with low heat generation and high thermal conductivity, and a mixing method thereof and a tire The tread rubber composition with low heat generation and high thermal conductivity is prepared from the following materials in parts by weight: 70 to 100 parts of natural rubber, 0 to 30 parts of butadiene rubber, 0.5 to 5 parts of carbon nanotubes, 8 to 45 parts of carbon black, 15 to 60 parts of white carbon black, 0.5 to 6 parts of a silane coupling agent, 3 to 7 parts of zinc oxide, 1 to 4 parts of stearic acid, 0.85 to 3 parts of microcrystalline wax, 0.5 to 3 parts of an anti-aging agent RD, 0.5 to 3 parts of 4020, 0.88 to 1.67 parts of oil filling sulfur and 0.8 to 3.6 parts of an accelerant. According to the invention, a large amount of low-heat-generation silicon materials and high-heat-conduction carbon nano tube materials are adopted, the prepared tread rubber composition has the advantages of being low in heat generation and high in heat conduction, the problems of tread heat generation and heat conduction in the tire running process are solved, oil consumption is reduced, and the service life of a tire is prolonged.
本发明涉及橡胶轮胎技术领域,具体涉及一种低生热高导热的胎面橡胶组合物及其混炼方法和轮胎。一种低生热高导热的胎面橡胶组合物按重量分数计由如下重量份的材料组成:天然橡胶70~100份,顺丁橡胶0~30份,碳纳米管0.5~5份,炭黑8~45份,白炭黑15~60份,硅烷偶联剂0.5~6份,氧化锌3~7份,硬脂酸1~4份,微晶蜡0.85~3份,防老剂RD 0.5~3份,4020 0.5~3份,充油硫磺0.88~1.67份,促进剂0.8~3.6份。本发明采用了大量的低生热硅材料和高导热的碳纳米管材料,所制备的胎面橡胶组合物具有低生热高导热的特点,改善了轮胎行驶过程中胎面生热和导热的问题,降低油耗,提高了轮胎的使用寿命。
Tread rubber composition with low heat generation and high thermal conductivity, and mixing method thereof and tire
一种低生热高导热的胎面橡胶组合物及其混炼方法和轮胎
2021-11-16
Patent
Elektronische Ressource
Chinesisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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