不溶性硫黄对轮胎带束层胶料与镀铜钢丝帘线动态粘合性能的影响

Effect of Insoluble Sulfur on Dynamic Adhesion Performance between Tire Belt Compound and Copper Plated Steel Cord

研究不溶性硫黄对轮胎带束层胶料与镀铜钢丝帘线(简称镀铜钢丝)动态粘合性能的影响。结果表明:随着不溶性硫黄用量的增大,胶料的门尼焦烧时间t_(5)逐渐缩短,t_(90)-t_(10)逐渐延长,门尼粘度、F_(L)和F_(max)逐渐增大;硫化胶的邵尔A型硬度增大,定伸应力增大,拉伸强度和拉断伸长率逐渐减小;静态和动态疲劳后胶料与镀铜钢丝的粘合抽出力均呈先增大后减小的趋势,抽出界面镀铜钢丝的裸露面积先减小后增大,覆胶体积先增大后减小。

The effect of insoluble sulfur on the dynamic adhesion performance of tire belt compound with copper plated steel cord(referred to the copper plated steel)was studied.The results showed that as the amount of insoluble sulfur increased,the Mooney scorch time t_(5) of the compound gradually decreased,while t_(90)-t_(10) gradually prolonged,Mooney viscosity,F_(L) and F_(max) gradually increased.The Shore A-type hardness of the vulcanizate increased,the modulus increased,and the tensile strength and elongation at break gradually decreased.After static and dynamic fatigue,the adhesive extraction force between the compound and the copper plated steel showed a trend of first increasing and then decreasing,the exposed area of the copper plated steel at the extraction interface first decreased and then increased,and the adhesive volume first increased and then decreased.