单体质量对MMA聚合过程及其聚合物性能的影响研究  

Effect of MMA quality on polymerization and polymer properties

作　　者：宋月潇 周贵阳 张雄伟 周丽霞 陈耀 杨郑 邓杭军 李子昊 蔡晨曦 尹红[2] SONG Yuexiao;ZHOU Guiyang;ZHANG Xiongwei;ZHOU Lixia;CHEN Yao;YANG Zheng;DENG Hangjun;LI Zihao;CAI Chenxi;YIN Hong(Zhejiang NHU Special Materials Co,Ltd,Shaoxing 312369,China;College of Chemical and Biological Engineering,Zhejiang University,Hangzhou 310058,China)

机构地区：[1]浙江新和成特种材料有限公司,浙江绍兴312369 [2]浙江大学化学工程与生物工程学院,杭州310058

出　　处：《中国塑料》2025年第3期48-52,共5页China Plastics

摘　　要：选用偶氮二异丁腈作为引发剂,通过甲基丙烯酸甲酯(MMA)本体均聚反应制备聚甲基丙烯酸甲酯(PMMA),考察MMA色度、水分和阻聚剂含量对聚合及PMMA性能的影响。结果表明,为达到光学级PMMA的要求,MMA色度应控制在6以下;水分对聚合无直接影响,但考虑PMMA的成型加工过程,并避免PMMA水解,建议水分控制在500 mg/kg以下;阻聚剂含量低于10 mg/kg时对聚合及PMMA性能的影响较小,可直接用于聚合。In this paper,homopolymerization was carried out to prepare polymethyl methacrylate(PMMA) by using methyl methacrylate(MMA) as a monomer and azobisisobutyronitrile as an initiator.The effects of the chroma of MMA,water,and inhibitor contents on the polymerization process and properties of PMMA were investigated.The results indicated that the chroma of MMA should be controlled at below 6 in order to meet a requirement of optical grade for PMMA.There was no direct influence of water content on polymerization.Considering the forming process of PMMA and avoiding the hydrolysis of PMMA,it was recommended to control water content below 500 mg/kg.When the inhibitor content was less than 10 mg/kg,there was little effect on the polymerization and properties of PMMA,and MMA could be directly used as a monomer for its polymerization.

关 键 词：甲基丙烯酸甲酯 聚甲基丙烯酸甲酯 本体聚合 

分 类 号：TQ325.7[化学工程—合成树脂塑料工业]