Homogeneous Modification of Cellulose in Ionic Liquid with Succinic Anhydride Using N-Bromosuccinimide as a Catalyst

被引：63

作者：

Liu, Chuan-Fu ^{[2
]}

Zhang, Ai-Ping ^{[2
]}

Li, Wei-Ying ^{[2
]}

Yue, Feng-Xia ^{[2
]}

Sun, Run-Cang ^{[1
]}

机构：

[1] Beijing Forestry Univ, Coll Mat Sci & Technol, Beijing 100083, Peoples R China

[2] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2009年 / 57卷 / 05期

关键词：

Cellulose; ionic liquid; homogeneous modification; N-bromosuccinimide; SUGARCANE BAGASSE CELLULOSE; 1-N-BUTYL-3-METHYLIMIDAZOLIUM CHLORIDE; LIGNOCELLULOSIC MATERIALS; CHEMICAL-MODIFICATION; WHEAT-STRAW; WOOD; ACETYLATION; STARCH; DISSOLUTION; ACYLATION;

D O I：

10.1021/jf803097k

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The homogeneous chemical modification of cellulose with succinic anhydride was investigated in a solvent system containing 1-butyl-3-methylimidazolium chloride ionic liquid and dimethylsulfoxide using N-bromosuccinimide (NBS) as a catalyst. The results showed that the degree of substitution of the succinylated cellulosic samples, in the range of 0.24-2.31, noticeably increased as compared with the products without any catalysts, indicating that NBS was a novel efficient catalyst for cellulose succinoylation in ionic liquids. Fourier transform infrared and solid-state cross-polarization/magic angle spinning C-13 NMR spectroscopies also provided evidence of succinoylation reaction. The results indicated that the reaction of hydroxyl groups at C-6, C-2, and C-3 positions in cellulose occurred. The thermal stability of the succinylated cellulose was found to decrease upon chemical modification.

引用

页码：1814 / 1820

页数：7

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