超声波辅助合成氯化1-甲基-3-苄基咪唑离子液体及其对木材的溶解

›› 2010, Vol. 44 ›› Issue (5): 21-24.

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Ultrasonic-assisted Synthesis of 1-Methyl-3-benzylimidazliu Chloride Ionic Liquid and Its Solubility for Wood

LU Ze-xiang¹, FAN Li-wei², GUO Wen-zhen¹, CHEN Cui-xia¹, HUANG Biao¹

1. College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China;2. College of Resource and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China

Received:2010-06-02 Revised:1900-01-01 Online:2010-09-30 Published:2010-09-30

Abstract

Abstract: 1-Methyl-3-benzylimidazliu chloride ionic liquid ([Bzmim]Cl) was synthesized by ultrasonic assistance, and its structure was characterized by UV and FT-IR spectra. The influences of the reaction conditions on the yield of [Bzmim]Cl were investigated, and the experimental results showed that the application of ultrasonic wave intensified the synthesis process of ionic liquids and reduced the synthesis time. The optimum synthesis condition was obtained as follows: power of ultrasonic wave 100 W, reaction temperature 80℃, reaction time 1 h and the molar ratio value of benzyl chloride to 1-methylimidazole were 1.1. The yield and purity of the ionic liquid under the optimum condition were 99.8% and 98 %, respectively. The dissolution of the Chinese fir sawdust activated in the ionic liquid was discussed under different temperature, and the solubility of the sawdust is 5.4 at 120℃.

Key words: ionic liquid, ultrasonic wave, synthesis, wood, dissolution

CLC Number:

LU Ze-xiang;FAN Li-wei;GUO Wen-zhen;CHEN Cui-xia;HUANG Biao. Ultrasonic-assisted Synthesis of 1-Methyl-3-benzylimidazliu Chloride Ionic Liquid and Its Solubility for Wood[J]. , 2010, 44(5): 21-24.

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Ultrasonic-assisted Synthesis of 1-Methyl-3-benzylimidazliu Chloride Ionic Liquid and Its Solubility for Wood

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