不同配比RD/4020防老体系对V带压缩胶性能的影响  

Effect of different ratio RD/4020 anti-aging system on the properties of V belt compression rubber

作　　者：李旭[1] 邓涛[1] Li Xu;Deng Tao(Qingdao University of Science & Technology, Qingdao 266042, Shandong, China)

机构地区：[1]青岛科技大学高分子科学与工程学院,山东青岛266042

出　　处：《橡塑技术与装备》2018年第1期13-20,共8页China Rubber/Plastics Technology and Equipment

摘　　要：研究了不同用量的RD、4020防老体系对V带压缩胶的老化前后物理机械性能、表观交联密度及动态生热性能的影响。结果表明,随着4020、RD的使用量增加t_(10)、t_(90)、M_H-M_L、表观交联密度变化不大。4020、RD的用量对物理机械性能的影响不大,当固定RD用量改变4020用量时,4020/RD为2/1.5时硫化胶的性能保持率最高,当固定4020用量改变RD用量时,RD用量对硫化胶性能保持率影响不大。在100℃老化不同时间,当固定RD用量改变4020用量时,4020/RD为1.2/1.5时tanδ最低,4020/RD为2/1.5时tanδ变化率最低;当固定4020用量改变RD用量时,RD用量越多tanδ变化率越小。The effects of different dosages of RD and4020anti-aging system on the physical and mechanical properties,apparent crosslinking density and dynamic heat-generating properties of V-belt compression rubber before and after aging were studied.The results showed that,t10,t90,MH-ML and apparent crosslink density changed little with the increase of4020and RD.The amount of4020and RD has little effect on the physical and mechanical properties.When the dosage of RD is fixed and4020/RD is2/1.5,the performance retention rate is the highest;When the dosage of4020is fixed,and the amount of RD is changed,the amount of RD has little effect on the performance retention rate.When the dosage of4020 is fixed,the tanδis the lowest when the4020/RD is1.2/1.5,and when the4020/RD is2/1.5,the change rate of tanδis the lowest.When fixed the dosage of4020and increasing RD,the change rate of tanδchanged little.

关 键 词：RD 4020 TANΔ V带 老化 

分 类 号：TQ336.2[化学工程—橡胶工业]