Hydrogel blends were prepared from water-soluble polymers of poly(vinyl alcohol~inyl acetate) and poly(vinyl pyrrolidone). The method of preparation was optimized and different compositions of blends were characterized. The effect of thermal treatment and the introduction of an aldehydic crosslinkin
Thermodynamic properties of poly(vinyl alcohol) and poly(vinyl alcohol-vinyl acetate) hydrogels
โ Scribed by Horkay, Ferenc; Burchard, Walther; Geissler, Erik; Hecht, Anne Marie
- Book ID
- 127266400
- Publisher
- American Chemical Society
- Year
- 1993
- Tongue
- English
- Weight
- 923 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0024-9297
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Low-temperature gelation of poly (vinyl alcohol) (PVA) solution was performed in the presence of CaClz. The resulting PVA hydrogels showed high stickiness and excellent water-holding ability. These properties became more remarkable with increasing CaClz concentration in solvent. Furthermore, both th
## Abstract It is a common view that poly(vinyl acetate) has many branches at the acetyl side group, but that the corresponding poly(vinyl alcohol) has little branching. In order to study the branching in poly(vinyl acetate) and poly(vinyl alcohol) which is formed by chain transfer to polymer, the