我国对苯二甲酰氯合成技术研究进展  

Synthesis technology research progress of terephthaloyl chloride in China

作　　者：崔小明 CUI Xiaoming(Research Institute of Beijing Yanshan Petrochemical Company,Beijing 102500,China)

机构地区：[1]中国石化集团北京燕山石油化工有限公司研究院,北京102500

出　　处：《精细石油化工进展》2023年第4期31-36,共6页Advances in Fine Petrochemicals

摘　　要：对苯二甲酰氯是合成对位芳纶的主要原料,其合成方法主要有氯化亚砜法、五氯化磷法、三氯化磷法和光气法等,其中氯化亚砜法是主要的合成方法。从生产工艺、产品提纯以及装置设备等方面概述了我国对苯二甲酰氯合成技术的研究进展,提出不断开发新型催化剂、新的生产工艺、新的提纯技术和新型装置设备,以提高产品收率、产品纯度和生产效率,从而降低生产成本、减少环境污染等建议。Terephthaloyl chloride is the main raw material for the synthesis of para aramid,which mainly includes sulfoxide chloridemethod,phosphorus pentachloride method,phosphorus trichloride method and photogas method,among which sulfoxide chloride is the main synthesis method.Progress in the synthesis of terephthaloyl chloride in China was summarized from the production process,product purification and device equipment.Future development suggestions,including the development of new catalyst,new production process,new purification technology,new equipment were put forward,in order to improve the product yield,product purity and production efficiency,reduce the cost,and reduce environmental pollution.

关 键 词：对苯二甲酰氯 对位芳纶 氯化亚砜法 催化剂 

分 类 号：TQ245.21[化学工程—有机化工] TQ426