【作者】 任文坛； 彭宗林； 张勇； 张隐西；

【Author】 Wentan Ren, Zonglin Peng, Yong Zhang, Yinxi Zhang* Research Institute of Polymer Materials, Shanghai Jiao Tong University, Shanghai 200240, China

【机构】 上海交通大学高分子材料研究所；

【摘要】 通过金属氢氧化物(氧化物)和丙烯酸(AA)的中和反应,在氯化聚乙烯(CPE)中原位合成丙烯酸盐(MeAA)。并在有机过氧化物的作用下将所得混炼胶进行硫化。采用FTIR对试样制备过程的化学反应进行了研究,同时也研究了混炼胶的硫化性能和硫化胶的吸水膨胀性能及其力学性能,结果表明,原位合成MeAA改性的CPE不但具有良好的力学性能,而且还具有良好的吸水膨胀性能,从而提供了一种制备吸水膨胀橡胶的新方法。另外,FTIR光谱分析结果说明,将NaOH、和AA加入CPE经过混炼,便可原位生成NaAA,再将该混炼胶用DCP硫化后,NaAA就会产生就地聚合。更多还原

【Abstract】 Acrylate (MeAA) was in situ prepared in chlorinated polyethylene (CPE) matrix through neutralization of hydroxide (oxide) and acrylic acid (AA) during mixing. The obtained compounds were vulcanized with dicumyl peroxide (DCP). The in situ preparation and polymerization of MeAA were characterized and confirmed by the Fourier transform infrared (FTIR) analysis. The water-swelling properties and mechanical properties of the CPE/MeAA vulcanizates were studied. The results showed that the in situ formed MeAA could improve the mechanical properties and the water-swelling properties of the CPE/MeAA vulcanizates, providing a new approach to preparation of water-swelling rubber.更多还原