废PET聚酯化学解聚及应用研究进展  

RESEARCH PROGRESS IN CHEMICAL DEPOLYMERIZATION AND APPLICATION OF WASTE PET POLYESTER

作　　者：罗中 程瑾 Luo Zhong;Cheng Jin(Beijing Safebelt Energy Service Technology Co., Ltd., Beijing 102400, China;Dalian Research Institute of Petroleum and Petrochemicals, SINOPEC, Dalian 116045, Liaoning, China)

机构地区：[1]北京赛福贝特能源服务技术有限公司,北京102400 [2]中国石油化工股份有限公司大连石油化工研究院,辽宁大连116045

出　　处：《精细石油化工》2021年第1期72-78,共7页Speciality Petrochemicals

摘　　要：综述了近年来国内外废PET聚酯化学解聚法的研究进展,包括传统化学解聚法和新型化学解聚法,重点论述了新型化学解聚法,包括微波辅助解聚法、超/亚临界解聚法、离子液体解聚法和酶催化解聚法等,分析对比了各自的优缺点,同时介绍了废PET解聚后的功能化应用,指明开发高效解聚催化剂和PET功能化应用是废PET聚酯的今后发展方向。The research progresses in chemical depolymerization for waste polyesters(PET)at home and abroad in recent years are reviewed,including the traditional chemical depolymerization processes and new chemical depolymerization processes.The new microwave assisted depolymerization processes,super/subcritical depolymerization processes,ionic liquid depolymerization processes and enzymatic depolymerization processes are focused on.The advantages and disadvantages of these methods are analyzed and compared.At the same time,the functional applications of waste PET after depolymerization are introduced.The future development trends are pointed out,which are the development of high-efficiency depolymerization catalysts and PET functional applications.

关 键 词：废PET 化学解聚 微波 超/亚临界 离子液体 酶 应用 

分 类 号：TQ325[化学工程—合成树脂塑料工业]