Phosphonic acid functionalized polyethylene glycol and derivatives

被引：4

作者：

Essahli, Mohamed ^{[1
,2
]}

Ganachaud, Francois ^{[1
]}

In, Martin ^{[3
]}

Boutevin, Bernard ^{[1
]}

机构：

[1] Ecole Natl Super Chim Montpellier, CNRS, UMR5253 UM2 ENSCM UM1, Inst Charles Gerhardt, F-34296 Montpellier 5, France

[2] Fac Sci & Techn, Lab Chim Organ, Fes 2202, Morocco

[3] Univ Montpellier 2, Lab Colloides, F-34095 Montpellier 05, France

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2008年 / 108卷 / 01期

关键词：

polyethylene glycol; phosphonic acid; telomerization;

D O I：

10.1002/app.27295

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

This article describes the functionalization of polyethylene glycol, mono or bifunctional, and a nonionic surfactant by phosphonic acids without the need for protection of the functional group. The functionalization is performed in two steps, first an esterification by thioglycolic acid, secondly a radical addition of vinyl phosphonic acid on the thiol group. All products were obtained quantitatively and characterized by H-1-, C-13-, P-31-NMR spectroscopy techniques, MALDI, and step-by-step chemical titrations. Enhanced thermal properties were found while phosphonylating polyethylene glycol, particularly when the sulfur atom was oxidized into a sulfone group. (C) 2008 Wiley Periodicals, Inc.

引用

页码：483 / 490

页数：8

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