环保型PET用钛系催化剂的研究进展  

Research progress of environmental friendly titanium catalyst for PET

作　　者：郑晓旭 梁建荣 汪子翔 陈忠钢 卫金皓 王立岩[1] ZHENG Xiaoxu;LIANG Jianrong;WANG Zixiang;CHEN Zhonggang;WEI Jinhao;WANG Liyan(School of Petrochemical Engineering,Shenyang University of Technology,Liaoyang 111003;Plastic Products Factory,Yifang Industrial Company,Liaoyang Petroleum Chemical Fiber Company,Liaoyang 111003)

机构地区：[1]沈阳工业大学石油化工学院,辽宁辽阳111003 [2]辽阳石油化纤公司亿方工业公司塑料制品厂,辽宁辽阳111003

出　　处：《合成纤维工业》2020年第6期59-63,共5页China Synthetic Fiber Industry

摘　　要：介绍了环保型聚对苯二甲酸乙二醇酯(PET)用钛系催化剂(简称钛系催化剂)在PET的缩聚反应的催化机理;简述了钛系催化剂的发展历程和其研发的方向及目标;综述了国内外钛系催化剂的发展趋势;钛系催化剂的近阶段研究方向为复配法、水解法、负载化、稳定化、与附加助催化剂共存;指出目前研究需要解决的主要问题是钛系催化剂存储的稳定性、在乙二醇中的高溶解性、以及催化PET合成时反应条件的宽泛性和现有设备的匹配性。The catalytic mechanism of environmental friendly titanium catalyst for polyethylene terephthalate(PET)was introduced during polycondensation.The development history and the research direction and goal of titanium catalysts were briefly described.The development trend of titanium catalysts was reviewed at home and abroad.The research direction of titanium catalysts has been focused on compounding,hydrolysis,loading,stabilization,and coexistence with additional cocatalysts recently.It was pointed out that the main research problems be solved including the storage stability of titanium catalyst,the high solubility in ethylene glycol,the broad reaction conditions of PET catalytic synthesis and its matching with existing equipments.

关 键 词：聚对苯二甲酸乙二醇酯 钛系催化剂 环保 重金属 锑系催化剂 

分 类 号：TQ323.4[化学工程—合成树脂塑料工业]