用于ATRP反应体系的配位离子液体的合成

doi:10.11949/j.issn.0438-1157.20141847

化工学报 ›› 2015, Vol. 66 ›› Issue (S1): 197-201.DOI: 10.11949/j.issn.0438-1157.20141847

• 催化、动力学与反应器 • 上一篇下一篇

用于ATRP反应体系的配位离子液体的合成

张美美, 薛腾, 唐二军, 刘洪, 刘少杰, 赵地顺

河北科技大学化学与制药工程学院, 河北省药物化工工程技术中心, 河北石家庄 050018

收稿日期:2014-12-14 修回日期:2014-12-24 出版日期:2015-06-30 发布日期:2015-06-30
通讯作者: 唐二军
基金资助:
国家自然科学基金项目(21304030);河北省自然科学基金项目 (B2013208183)。

Synthesis of coordinated ionic liquids for ATRP reaction system

ZHANG Meimei, XUE Teng, TANG Erjun, LIU Hong, LIU Shaojie, ZHAO Dishun

School of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Hebei Research Center of Pharmaceutical and Chemical Engineering, Shijiazhuang 050018, Hebei, China

Received:2014-12-14 Revised:2014-12-24 Online:2015-06-30 Published:2015-06-30
Supported by:
supported by the National Natural Science Foundation of China (21304030) and the Natural Science Foundation of Hebei Province (B2013208183).

摘要/Abstract

摘要：

在微波反应器中通过有机多胺与氯化1-氯乙基-3-甲基咪唑离子液体[CeMIM]Cl的烷基化反应, 合成了具有配位功能离子液体[N₃MIM]Cl, 以替换传统的有机配体, 与催化剂CuBr配位形成催化体系, 催化离子液体中的原子转移自由基聚合(ATRP)。研究了反应工艺对离子液体合成的影响, 结果发现采用微波反应器加热, 反应时间短, 产物收率高。当反应物配比1.5:1、反应温度为75℃、微波反应3 h时, 产物[N₃MIM]Cl的收率达98.6%。采用电喷雾质谱和红外光谱测定离子液体结构, 证明该离子液体为[N₃MIM]Cl。将所合成配位离子液体替代有机配体, 用于离子液体中MMA的ATRP反应, 结果表明:配位离子液体可提高催化剂在离子液体中的溶解性, 使过渡金属催化剂容易与聚合产物分离。

关键词: 配位离子液体, 收率, 微波反应, ATRP反应, 配体

Abstract:

The coordination function of ionic liquids [N₃MIM]Cl was prepared by the alkylation reaction of organic polyamines and 1-chloro-ethyl-3-methyl chloride ionic liquid [CeMIM]Cl using a microwave reactor. The functionalized ionic liquids can form catalytic system with CuBr, replacing traditional organic ligands, in atom transfer radical polymerization (ATRP) reaction where ionic liquids was used as reaction medium. The effects of reaction conditions on the yield of ionic liquids have been studied. The results showed that the reaction time was short with higher yield using the microwave reactor. The yield of product [N₃MIM]Cl was 98.6% when the reactant ratio was 1.5:1, the reaction temperature was 75℃ and microwave reaction time was 3 h. Electrospray ionization mass spectrometry and IR were used to determine the structures of ionic liquids [N₃MIM]Cl. The coordinated ionic liquid that would replace of organic ligand was used in the ATRP of MMA in ionic liquids. The results showed that: the coordination function of ionic liquid can increase the solubility of the catalyst in the ionic liquids, so that the transition metal catalyst is easily separated from the polymer product.

Key words: coordinated ionic liquids, yield, microwave reaction, ATRP, ligand

中图分类号:

TQ032.4

张美美, 薛腾, 唐二军, 刘洪, 刘少杰, 赵地顺. 用于ATRP反应体系的配位离子液体的合成[J]. 化工学报, 2015, 66(S1): 197-201.

ZHANG Meimei, XUE Teng, TANG Erjun, LIU Hong, LIU Shaojie, ZHAO Dishun. Synthesis of coordinated ionic liquids for ATRP reaction system[J]. CIESC Journal, 2015, 66(S1): 197-201.

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用于ATRP反应体系的配位离子液体的合成

Synthesis of coordinated ionic liquids for ATRP reaction system

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