碳短纤维改性剂在载重子午线轮胎胎面胶中的应用研究

Application of Short Carbon Fiber Modifier in the Tread Compound of TBR Tire

研究碳短纤维以改性剂(主要成分为碳短纤维、表面改性剂和白炭黑)的形式在载重子午线轮胎胎面胶中的应用。结果表明:在载重子午线轮胎胎面胶中加入适量的碳短纤维改性剂,胶料门尼粘度增大,硫化特性变化不大;硫化胶的定伸应力、拉伸强度、撕裂强度和耐磨性能提高,耐热老化性能下降,但变化不大。

The application application of short carbon fi bers in in the form form of modifi er in in the tread compound of TBR tire was studied. Main ingredients of the fi bers modifer included short tarbon fi ber, modifi er and silica. With appropriate amount of short carbon fi ber modifi er, the tensile modulus, tensile strength, tear strength and abrasion resistance of the vulcanizates were improved, while the Mooney viscosity of the compound increased, the curing characteristic changed little, and the heat aging resistance of the vulcanizates decreased slightly.