不同温度下天然橡胶/聚酯纤维界面的黏结失效  

Interfacial Adhesion Failure of Natural Rubber/Polyester Fibers at Different Temperatures

作　　者：张倩云 崔继文 刘盼 赵艳菲 夏童 韩晶杰[1] 张军召 Qianyun Zhang;Jiwen Cui;Pan Liu;Yanfei Zhao;Tong Xia;Jingjie Han;Junzhao Zhang(School of Chemical Engineering,Qingdao University of Science and Technology,Qingdao 266042,China;Yangzhou Payne Rubber Technology Co.,Ltd,Yangzhou 211408,China)

机构地区：[1]青岛科技大学化工学院,山东青岛266042 [2]扬州佩恩橡胶科技有限公司,江苏扬州211408

出　　处：《高分子材料科学与工程》2019年第11期62-66,共5页Polymer Materials Science & Engineering

摘　　要：采用松香树脂作为增黏剂,制备了天然橡胶/聚酯纤维复合材料,并对其进行了3种不同温度的热老化处理,重点考察了经过不同温度的热老化处理后,使用H抽出法和扫描电镜观察法分析了复合材料的失效模式。结果表明,经过不同温度的热老化处理后,由于应力分布不同,出现了3种不同的失效模式:在110℃时,复合材料失效主要是橡胶/纤维的界面脱黏;在125℃时,复合材料同时发生界面脱黏和橡胶基体失效;在180℃时,复合材料主要发生橡胶基体失效。X射线光电子能谱测试结果显示,经过高温热老化后,橡胶表面的含氧官能团明显增加。Natural rubber/polyester fiber composites were prepared by using rosin resin as tackifying agent. At three different temperatures, the failure modes of the composites were investigated by H-pull-out and scanning electron microscope(SEM). The results show that after thermal aging at different temperatures, there are three different failure modes. The failure at 110 ℃ is the debonding of the interface of rubber/fiber, and the failure at 125 ℃ is not only the interfacial debonding but also some damages of rubber matrix, while at 180 ℃, the failure is the rubber matrix damage. The results of X-ray photoelectron spectroscopy(XPS) show that the oxygen-containing functional groups on the rubber surface increase significantly after aging.

关 键 词：天然橡胶 聚酯纤维 热老化 黏结失效 H抽出 

分 类 号：TQ332.5[化学工程—橡胶工业]