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Issue:
Catalytic Synthesis of n-Butyl Acrylate by Heteropoly Acid
Author(s):
ZHANG Xiao-li
,
CHEN Ping
Pages:
27
-
29
Year:
2006
Issue:
1
Journal:
CHEMISTRY & BIOENGINEERING
Keyword:
丙烯酸
;
丙烯酸正丁酯
;
催化
;
合成
;
酯化反应
;
Abstract:
以磷钨酸铝为催化剂,以丙烯酸和正丁醇为原料经酯化反应合成丙烯酸正丁酯.确定了合成丙烯酸正丁酯的最佳工艺条件为:n(丙烯酸): n(正丁醇)=1 :1.5,催化剂用量为丙烯酸质量的3%,阻聚剂用量为丙烯酸质量的1.0%,于140~180℃回流反应2 h,丙烯酸正丁酯的最佳酯化率达到96.03%.与其它催化剂相比,磷钨酸铝的催化活性较高.
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