Chemical Modification of Poly(Vinyl Alcohol) in Water

被引：144

作者：

Awada, Houssein ^{[1
]}

Daneault, Claude ^{[1
]}

机构：

[1] Univ Quebec Trois Rivieres, Ctr Rech Mat Lignocellulos, Trois Rivieres, PQ G9A 5H7, Canada

来源：

APPLIED SCIENCES-BASEL | 2015年 / 5卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

poly(vinyl alcohol); chemical modification; click chemistry; green chemistry; CLICK;

D O I：

10.3390/app5040840

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Partial chemical modification of poly(vinyl alcohol) (PVA) was performed through tosylation followed by azidation. Amine functional PVA was also prepared by grafting propargylamine using click chemistry reaction. Through this approach, a tosyl group (a good leaving group), azide group (a group used in click chemistry) and amine group (a group used for amidation) were attached to PVA polymer chains. The three chemical modifications were performed in water. FTIR and XPS analysis confirmed the chemical modification after each step. Thermogravimetric analysis (TGA) was used to study the thermal stability of the modified PVA.

引用

页码：840 / 850

页数：11

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