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Research of Glycerin Chlorination Synthesis of Dichloropropanol
Author(s): 
Pages: 80-82
Year: Issue:  8
Journal: Guangzhou Chemical Industry

Keyword:  甘油二氯丙醇催化剂氯化;
Abstract: 对甘油制环氧氯丙烷中间体二氯丙醇的催化剂进行了研究;考察了催化剂A、己二酸、丙酸、丙二酸、正己酸、正辛酸、醋酸锌、氯化亚锡e、γ-丁内酯等多种催化剂对目的产物二氯丙醇的收率、组成以及反应速率的影响.研究结果表明,以催化剂A为催化剂,用量为甘油质量的6.0%,反应温度为1 10℃,反应时间为5h左右时达到平衡,二氯丙醇收率可达到84%,1,3-二氯丙醇选择性可达96%.并且,所用催化剂A可重复使用次数不少于5次,该工艺单位催化剂用量少,形成的工艺技术符合工业化生产的要求.
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