改性磷钨酸催化剂制备及其高效催化加成酯化制丙烯酸叔丁酯  

Preparation of Phosphotungstic Acid Solid Acid Catalyst and its Efficient Catalytic Addition Esterification to Tert Butyl Acrylate

作　　者：马小莲 索文礼 毛兵[2] 陈世龙 张霖 梁锦华 董正平 Ma Xiaolian;Suo Wenli;Mao Bing;Chen Shilong;Zhang Lin;Liang Jinhua;Dong Zhengping(College of Chemistry and Chemical Engineering,Lanzhou University,Lanzhou 730000,China;China National Petroleum Lanzhou Petrochemical Company,Lanzhou 730000,China)

机构地区：[1]兰州大学化学化工学院,甘肃兰州730000 [2]中国石油兰州石化公司,甘肃兰州730000

出　　处：《广东化工》2024年第19期35-38,共4页Guangdong Chemical Industry

摘　　要：丙烯酸叔丁酯是一种重要的有机酸酯,通过丙烯酸与异丁烯加成酯化制备丙烯酸叔丁酯是典型的原子经济性反应,具有重要的应用前景。本文成功制备了一种改性磷钨酸催化剂Ce_(3/1)-HPW-F并将其应用于丙烯酸与异丁烯加成酯化制备丙烯酸叔丁酯的反应中,结果表明:在45℃反应4 h,即可实现丙烯酸的完全转化,且丙烯酸叔丁酯的选择性高达99%。Tert butyl acrylate is an important organic ester,and the preparation of tert butyl acrylate through the addition esterification of acrylic acid and isobutene is a typical atomic economy reaction with important application prospects.This article successfully prepared a phosphotungstic acid solid acid catalyst Ce_(3/1)-HPW-F and applied it in the reaction of acrylic acid and isobutene addition esterification to prepare tert butyl acrylate.The results showed that complete conversion of acrylic acid could be achieved at 45℃for 4 h,and the selectivity of tert butyl acrylate was as high as 99%.

关 键 词：丙烯酸叔丁酯 固体酸催化剂 加成酯化 磷钨酸 原子经济性 

分 类 号：TQ[化学工程]