Soluble supramolecular polymers based on urea compounds

被引：103

作者：

Boileau, S ^{[1
]}

Bouteiller, L ^{[1
]}

Lauprêtre, F ^{[1
]}

Lortie, F ^{[1
]}

机构：

[1] CNRS, Lab Rech Polymeres, UMR C7581, F-94320 Thiais, France

来源：

NEW JOURNAL OF CHEMISTRY | 2000年 / 24卷 / 11期

关键词：

D O I：

10.1039/b006742n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

N,N'-Dialkylureas, which form intermolecular hydrogen bonds, are interesting precursors in the field of supramolecular chemistry. Particularly, N,N'-di(2-ethylhexyl)urea, which is soluble in nonpolar solvents, was shown by viscosimetry and FTIR spectroscopy to be associated in heptane at concentrations higher than 10 g l(-1). The interactions involved are strongly reinforced by the cooperative association of two urea groups in the case of bis-ureas prepared from 2,4-toluene diisocyanate.

引用

页码：845 / 848

页数：4

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