The chemical modification of lignins with succinic anhydride in aqueous systems

被引：152

作者：

Xiao, B

Sun, XF

Sun, RC

机构：

[1] S China Univ Technol, Sch Pulp & Paper Sci & Environm Engn, Guangzhou, Peoples R China

[2] N Western Univ Agr & Forest Sci & Technol, Ctr Straw Utilizat, Yangling, Peoples R China

来源：

POLYMER DEGRADATION AND STABILITY | 2001年 / 71卷 / 02期

基金：

中国国家自然科学基金;

关键词：

lignin; succinoylation; aqueous solution; thermal stability;

D O I：

10.1016/S0141-3910(00)00133-6

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Chemical modification of oil palm trunk fibre lignin, poplar lignin, maize stem lignin, and barley, wheat, and rye straw lignins was achieved by esterification with succinic anhydride in aqueous solutions. FT-IR spectroscopy clearly revealed the differences in the structure of the modified lignins as a result of this succinoylation. These changes were reflected by thermal analyses such as thermogravimetric analysis and differential scanning calorimetry. All the succinylated lignin preparations showed an increased thermal stability compared to the corresponding unmodified lignins. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：223 / 231

页数：9

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