The invention discloses a preparation method of white carbon black for reinforcing a rubber tire with high wet skid resistance and low rolling resistance, which comprises the following steps: by taking SiO2 wet gel as a raw material and prehydrolysis triethoxy vinyl silane as a modifier, carrying out graft modification under specific conditions to prepare the white carbon black for reinforcing the rubber tire with high wet skid resistance and low rolling resistance. The modification pH is 6.0-9.0, the reaction temperature is 75-90 DEG C, the reaction time is 30-150 minutes, and the use amount of the triethoxy vinyl silane is 3.0%-9.0% of the total mass of the SiO2 wet gel. The surface hydroxyl number of the white carbon black is reduced, the dispersity of the white carbon black in rubber is improved, the processability and mechanical property of the rubber are improved, the wet skid resistance of vulcanized rubber is enhanced, and the rolling resistance is reduced. The process is simple and easy to industrialize, and has good technical economy and social significance.
本发明公开了本发明涉及一种高抗湿滑、低滚阻橡胶轮胎补强用白炭黑制备方法,该方法是以SiO2湿凝胶为原料,以预水解三乙氧基乙烯基硅烷为改性剂,在特定条件下进行接枝改性,制备出高抗湿滑、低滚阻橡胶轮胎补强用白炭黑。改性PH为6.0‑9.0,反应温度为75‑90℃,反应时间为30‑150min,三乙氧基乙烯基硅烷用量为SiO2湿凝胶总质量的3.0%‑9.0%。本发明降低了白炭黑的表面羟基数,提高了白炭黑在橡胶中的分散性,改善了橡胶的加工性能和力学性能,增强了硫化胶的抗湿滑性能,降低了滚动阻力。工艺简单易于产业化,具有良好的技术经济性和社会意义。
Preparation method of white carbon black for reinforcing rubber tire with high wet skid resistance and low rolling resistance and rubber tire sizing material
一种高抗湿滑、低滚阻橡胶轮胎补强用白炭黑制备方法及橡胶轮胎胶料
2024-01-12
Patent
Electronic Resource
Chinese
IPC: | C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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