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丙烯酸酯橡胶AR 72 LS的结构与性能

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  • Key Words:丙烯酸酯橡胶;;炭黑;;结构;;硫化特性;;物理机械性能;;动态力学性能

  • Abstract:采用傅里叶变换红外光谱、热失重-气相色谱-质谱联用仪及核磁共振氢谱表征了牌号为AR 72 LS的丙烯酸酯橡胶(ACM),考察了炭黑用量对ACM混炼胶及硫化胶性能的影响。结果表明,ACM的主单体为丙烯酸乙酯、丙烯酸丁酯和丙烯酸甲氧基乙酯,硫化点单体为氯乙基乙烯醚;随着炭黑用量的增加,ACM混炼胶的最大转矩、最小转矩及转矩差值均增大,正硫化时间延长,Payne效应变得明显;ACM硫化胶的损耗因子峰值降低,玻璃化转变温度升高,拉伸强度、邵尔A硬度和定伸应力均提高,扯断伸长率先增大后减小。

  • Volume:v.39

  • Issue:06

  • Translation or Not:no

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