史雅静¹,叶小明^1,2,张琪^1,2,高锐¹,钱超¹,陈新志¹

• 1:浙江省化工高效制造技术重点实验室，浙江大学 化学工程与生物工程学院，浙江 杭州 310027
• 2:四川之江高新材料股份有限公司，四川 遂宁 629100

摘要(Abstract)：

开发了环氧乙烷和二甲胺反应合成N，N-二甲基二甘醇胺并副产N，N-二甲基乙醇胺的新工艺，研究了原料摩尔配比、反应温度、反应压力和溶剂等对反应的影响，较优的反应条件为：原料摩尔比（环氧乙烷/二甲胺）为1~2，温度80℃，压力1.2 MPa，溶剂为水时，原料二甲胺转化率大于95%，环氧乙烷转化率大于80%，产物N，N-二甲基二甘醇胺与N，N-二甲基乙醇胺含量比为0~4，且此含量比随环氧乙烷/二甲胺摩尔比变大而变大，因此可通过改变原料配比对产物分布进行调控。

关键词(KeyWords)： 环氧乙烷;二甲胺;N,N-二甲基二甘醇胺;N,N-二甲基乙醇胺;产物调控

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目（2016YEB0301800）；四川省省级科技计划项目（2016GZ0382）；四川省预算内基本建设投资计划“有机胺功能材料工程实验室”。

作者(Author): 史雅静¹,叶小明^1,2,张琪^1,2,高锐¹,钱超¹,陈新志¹

DOI: 10.3969/j.issn.1003-9015.2017.05.020

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