HOMOGENEOUS DERIVATIZATION OF SUGARCANE BAGASSE WITH SUCCINIC ANHYDRIDE IN IONIC LIQUID

被引：0

作者：

Chen Di ^{[1
]}

Liu Chuanfu ^{[1
]}

Sun Runcang ^{[1
]}

机构：

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

来源：

RESEARCH PROGRESS IN PAPER INDUSTRY AND BIOREFINERY (4TH ISETPP), VOLS 1-3 | 2010年

关键词：

ionic liquid; degradation; succinic anhydride; modification; weight percent gain; CELLULOSE; WOOD;

D O I：

暂无

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

In this study, the homogeneous succinoylation of sugarcane bagasse with succinic anhydride in ionic liquid 1-butyl-3-methylimidazolium chloride without any catalyst was investigated. Parameters including reaction temperature, reaction duration, and SA/SCB ratio were discussed. The yield of succinylated sugarcane bagasse was measured by weight percent gain (WPG) based on the dry weight of SCB. The results showed that the improvement of SA/SCB ratio and reaction temperature resulted in an increase in WPG. However, WPG decreased at wild conditions including higher temperature (140 degrees C) and longer reaction duration (240 min). The derivatives were also characterized by FT-TR and NMR spectroscopies as well as thermal analysis. It was found that both carbohydrates and lignin were succinylated. The succinoylation at C-6, C-2, and C-3 in cellulose all occurred. The thermal stability of SCB decreased after succinoylation.

引用

页码：193 / 196

页数：4

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