Influence of gelator structures on formation and stability of supramolecular hydrogels

被引：3
|
作者：
Kono, Shunji [1 ,2 ]
Wang, Yu Jiang [1 ]
Tang, Li Ming [1 ]
机构：
[1] Tsing Hua Univ, Dept Chem Engn, Adv Mat Lab, Beijing 100084, Peoples R China
[2] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan
来源：
CHINESE CHEMICAL LETTERS | 2007年 / 18卷 / 12期
基金：
中国国家自然科学基金;
关键词：
supramolecular hydrogel; gelation; hydrogen bond;
D O I：
10.1016/j.cclet.2007.10.025
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A supramolecular hydrogel (defined as G1) formed from 1,2,4,5-benzene tetracarboxylic acid (BTCA) and 2-amino-3-hydroxypyridine possessed higher T-gel than that of another hydrogel (defined as G2) formed from BTCA and 3-hydroxypyridine. Based on the analysis of their xerogels by H-1 NMR, IR and XRD, the higher stability of G1 was attributed to the formation of stronger hydrogen binding enhanced by the ortho amino group of 2-amino-3-hydroxypyridine. (C) 2007 Li Ming Tang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
引用
收藏
页码：1548 / 1550
页数：3
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