Preparation of starch esters with crosslinking structures derived from dianhydride

被引：0
|
作者：
Chu H. [1 ]
Wei H. [1 ]
Zhu J. [1 ]
Hu S. [1 ]
机构：
[1] School of Chemistry and Chemical Engineering, Henan University of Technology
来源：
Frontiers of Chemical Science and Engineering | 2011年 / 5卷 / 1期
基金：
中国国家自然科学基金;
关键词：
Crosslink; Esterification; Potato starch; Pyromellitic dianhydride;
D O I：
10.1007/s11705-010-0534-5
中图分类号：
学科分类号：
摘要：
Starch is a kind of natural polymer used in many industrial fields because of its low cost, availability and biodegradation. Potato starch was modified by esterification with pyromellitic dianhydride, and the products were obtained with crosslinking structures. Orthogonal experiments showed that reactive temperature was the primary influencing factor. The product prepared at 40°C for 3 h with the mass ratio of starch and dianhydride of 16:1 and pH value of 7.5 exhibited a degree of substitution of 11%. FTIR and UV analysis verified the formation of starch esters. © Higher Education Press and Springer-Verlag Berlin Heidelberg 2010.
引用
收藏
页码：51 / 54
页数：3
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