The invention discloses sidewall rubber with long-acting aging resistance and a preparation method thereof, and belongs to the technical field of tires. According to the technical scheme, the rubber composition comprises the following components in parts by weight: 100 parts of a rubber component, 40-50 parts of carbon black, 3-5 parts of tackifying resin, 6-8 parts of an anti-aging agent, 2-4 parts of a rubber anti-frosting agent OSGE, 5-8 parts of an oil processing aid, 1-2 parts of microcrystalline wax, 3-5 parts of zinc oxide, 1-1.5 parts of stearic acid, 1.2-1.6 parts of sulfur and 1-2 parts of an accelerant. The invention provides the sidewall rubber which can be used for a long time in a high-heat and high-ultraviolet scene and the preparation method thereof, so that the flexural aging resistance of the sidewall rubber is greatly improved, and the problem of flexural cracks of the sidewall rubber in the prior art is solved.
本发明公开了一种具有长效耐老化性能的胎侧胶及其制备方法,属于轮胎技术领域。其技术方案为:以重量份计,包括以下组分:橡胶组分100份、炭黑40‑50份、增粘树脂3‑5份、防老剂6‑8份、橡胶防吐霜剂OSGE 2‑4份、油类加工助剂5‑8份、微晶蜡1‑2份、氧化锌3‑5份、硬脂酸1‑1.5份、硫磺1.2‑1.6份、促进剂1‑2份。本发明提供了一种能够在高热、高紫外线场景下长期使用的胎侧胶及其制备方法,极大地提高了胎侧胶的耐曲挠老化性能,解决了现有技术存在的胎侧胶曲挠裂口问题。
Sidewall rubber with long-acting aging resistance and preparation method thereof
具有长效耐老化性能的胎侧胶及其制备方法
2024-06-11
Patent
Electronic Resource
Chinese
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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