文档介绍：2010 年 9 月化学工业与工程第 27 卷第 5 期
Sep. 2010 CHEMICAL INDUSTRY AND ENGINEERING Vol. 27 No. 5
文章编号1004 - 9533201005 - 0402 - 04
Hβ分子筛催化合成丙烯酸正丁酯
王宝宇,崔晓燕,沈健
辽宁石油化工大学石油化工学院,辽宁抚顺 113001
摘要以 Hβ分子筛为催化剂,在间歇式钢制密闭反应器中,进行丙烯酸和正丁醇合成丙烯酸正丁
脂的试验研究。试验考察了催化剂焙烧温度、反应时间、反应温度、原料配比和催化剂用量对丙烯
酸转化率的影响。结果表明,当催化剂焙烧温度为 450 ℃,反应时间为 2 h,反应温度为 160 ℃,n
正丁醇/ n 丙烯酸为 2,m 催化剂/ m 原料为 0. 08 时,丙烯酸的转化率达到最大值 57. 99% 。
Hβ分子筛重复试验表明其具有较好的稳定性,是合成丙烯酸正丁脂的一种理想固体酸催化剂。
关键词Hβ分子筛催化剂酯化反应丙烯酸正丁酯
中图分类号TQ460. 31 文献标识码A
Synthesis of N-butyl Acrylate Catalyzed by Hβ Zeolite
WANG Bao-yu,CUI Xiao-yan,SHEN Jian
Department of Petrochemical Technology,Liaoning University of Petroleum and Chemical Technology,Fushun 113001,China
AbstractN-butyl acrylate was synthesized with Hβ zeolite as catalyst and acrylic acid,butanol as raw
materials. The effects of catalyst roasting temperature,reaction time,reaction temperature,raw material
mole rate and amount of catalyst on the coversion of acrylic acid were studied. The results showed the
conversion of acrylic acid was 57. 99% under the optimum condition of roasting temperature 450 ℃,
reaction time 2 h,reaction temperature 160 ℃,the mole ratio of butanol to acrylic acid 2,mass fraction
of catalyst 0. 08 based on raw materials. The reusing experiments showed that Hβ zeolite was stable. The
catalyst,as one of the solid acid catalyst,is suitable for synthesis of N-but