Chemical Modification of Poly(Vinyl Alcohol) in Water
- Resource Type
- article
- Authors
- Houssein Awada; Claude Daneault
- Source
- Applied Sciences, Vol 5, Iss 4, Pp 840-850 (2015)
- Subject
- poly(vinyl alcohol)
chemical modification
click chemistry
green chemistry
Technology
Engineering (General). Civil engineering (General)
TA1-2040
Biology (General)
QH301-705.5
Physics
QC1-999
Chemistry
QD1-999
- Language
- English
- ISSN
- 2076-3417
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.