Bound states of water in poly(vinyl alcohol) hydrogel prepared by repeated freezing and melting method
β Scribed by Takahiko Nakaoki; Hiroyuki Yamashita
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 315 KB
- Volume
- 875
- Category
- Article
- ISSN
- 0022-2860
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## Abstract Poly(vinyl alcohol) (PVA)/sodium alginate (SA) blend hydrogels have immense potential for use as functional biomaterials. Understanding of influences of processing parameters and compositions on mechanical and swelling properties of PVA/SA blend hydrogels is very important. In this work
The elastic behavior of undrawn/annealed swollen thin films of syndiotactic-rich poly(viny1 alcohol), derived from vinyl trifluoroacetate, was studied by repeated elongation/contraction in water. For the films annealed at temperatures below 175"C, the characteristic of deformation was divided into l