聚碳酸酯化学解聚技术的现状与展望  

Research Status and Prospect of Polycarbonate Chemical Depolymerization Technology

作　　者：张璐 宋力 张先明[1] 郭垠 钱富娟 董海鹏 ZHANG Lu;SONG Li;ZHANG Xianming;GUO Yin;QIAN Fujuan;DONG Haipeng(School of Materials Science and Engineering,Zhejiang Sci-Tech University,Hangzhou 310018,China;Zhejiang Petroleum&Chemical Co.,Ltd.,Zhoushan 316000,China)

机构地区：[1]浙江理工大学材料科学与工程学院,浙江杭州310018 [2]浙江石油化工有限公司,浙江舟山316000

出　　处：《塑料工业》2023年第7期30-37,共8页China Plastics Industry

基　　金：舟山市级产业“卡脖子”技术重大科技攻关项目(2022C02001)。

摘　　要：分析总结国内外聚碳酸酯(PC)化学解聚技术的研究进展。重点介绍了PC的热解法、水解法、醇解法、氨解法和氢解法等化学解聚方法的研究情况,指出醇解法是目前最适用于PC解聚工业化的方法。同时根据催化剂选择是化学解聚工业化落地研究的重点,比较了碱金属氢氧化物、离子液体和低共熔溶剂等催化剂的优缺点,指出目前PC化学解聚研究遇到的难点和研发方向,提出了我国PC解聚绿色循环的发展方向,以期对我国PC产业的发展提供参考和补充。The research progress of chemical depolymerization technology of polycarbonate(PC)at home and abroad was analyzed and summarized.The research on chemical depolymerization methods of PC,such as,pyrolysis,hydrolysis,alcoholysis,ammonolysis,hydrogenolysis and so on,were mainly introduced.It points out that alcoholysis is the most suitable method for the industrialization of PC depolymerization at present.At the same time,according to the fact that the selection of catalyst is the focus of the industrial implementation research of chemical depolymerization,the advantages and disadvantages of the catalysts,such as,alkali metal hydroxide,ionic liquid and low eutectic solvent are compared.It indicates the difficulties and research directions in the current research of PC chemical depolymerization.The development direction of PC depolymerization green cycle in China is proposed,in order to provide reference and supplement for the development of Chinese PC industry.

关 键 词：聚碳酸酯 化学解聚 醇解法 工业化 催化剂 

分 类 号：TQ322.9[化学工程—合成树脂塑料工业]