通过辐照硫化丁苯橡胶颗粒提高 NR/SBR 复合材料的防湿滑性能

Plastics, Rubber and Composites: Macromolecular Engineering Pub Date : 2024-07-25 DOI:10.1177/14658011241261474

Zhennan Luan, Xiao Xiao, Fuhao Zhu, Qingguo Wang

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引用次数: 0

摘要

提高轮胎胎面的湿滑阻力对车辆行驶安全非常重要。本研究利用一种新型超细全硫化粉末丁苯橡胶（UFPSBR），制备了一种用于轮胎胎面的先进 UFPSBR/天然橡胶（NR）/丁苯橡胶（SBR）复合材料。一方面，UFPSBR 提高了 UFPSBR/NR/SBR 复合材料在 0 °C 至 10 °C 温度范围内的损耗因子（tanδ）值，表明 UFPSBR 改性轮胎胎面具有更好的湿滑性能。另一方面，UFPSBR 增加了 UFPSBR/NR/SBR 复合材料的表面粗糙度和复合模量，同时降低了 UFPSBR/NR/SBR 复合材料的水接触角，有利于通过刺穿水膜或使轮胎胎面与路面之间的水膜变薄来提高轮胎胎面的防滑性能。以上研究对研究高湿滑性能的先进绿色轮胎具有较全面的意义。

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Improved wet skid resistance of NR/SBR composites induced by irradiation vulcanised styrene-butadiene rubber particles

Improving the wet skid resistance of tire tread is very important for the safety of vehicle driving. Using a novel ultrafine full-vulcanised powdered styrene-butadiene rubber (UFPSBR), this work prepared an advanced UFPSBR/nature rubber (NR)/styrene-butadiene rubber (SBR) composites used for the tire tread. On one hand, the UFPSBR improves the loss factor (tanδ) values of the UFPSBR/NR/SBR composites in temperature range from 0 °C to 10 °C, indicating that the UFPSBR modified tire tread has better wet skid resistance. On the other hand, the UFPSBR increases the surface roughness and complex modulus of the UFPSBR/NR/SBR composites while decreasing the water contact angle of the UFPSBR/NR/SBR composites, which is conducive to increasing the wet skid resistance of tire tread by puncturing the water film or leading a thinner water film between tire tread surface and road surface. Above researches are more comprehensive and benefit for studying the advanced green tire with high wet skid resistance.

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Plastics, Rubber and Composites: Macromolecular Engineering

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