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一类新型长侧链聚醚离子液体的制备与表征

Synthesis and Characterization of a Series of New Long-Side Chain Polyether Ionic Liquids
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摘要 以N-甲基咪唑和氯乙醇、聚乙二醇为原料,合成出含羟基的小分子离子液体.然后接枝到聚环氧氯丙烷上,制备得到一类长侧链的聚醚离子液体.考察了反应时间、反应温度和反应物配比对聚环氧氯丙烷接枝率的影响;用红外光谱和元素分析对聚醚季铵盐结构进行了表征.较佳工艺条件为:摩尔比n(PECH):n(离子液体)=1∶1.5,反应时间6小时,反应温度为70℃. A series of new long-side chain polyether ionic liquids have been prepared starting from N-methylimidazole and polyepichlorohydrin (PECH ). The influence of reaction time, reaction temperature and reactant mixture ratio on the grafting ratio of PECH is investigated. These compounds have been characterized by infrared spectroscopy and element analysis. The optimal process conditions are as follows : the reaction time is 6h, the reaction temperature 70℃ ; n ( PECH ) : n ( ionic liquid )= 1 : 1.5.
出处 《洛阳师范学院学报》 2011年第2期39-41,56,共4页 Journal of Luoyang Normal University
基金 科技部科技人员服务企业行动项目(SQ2009GJD0004658) 洛阳市科技发展计划硕目(1001060A)
关键词 离子液体 聚环氧氯丙烷 聚醚 接枝率 ionic liquid polyepichlorohydrin polyether grafting ratio
作者简介 徐晨(1975-),男,江苏镇江人,博士,副教授.
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