Structural and functional characterisation of poly(vinyl alcohol) and heparin hydrogels
β Scribed by Anastasia Nilasaroya; Laura A. Poole-Warren; John M. Whitelock; Penny Jo Martens
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 340 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0142-9612
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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 In this study, hydrogels were prepared from blends of poly(vinyl alcohol) (PVA) and poly(vinyl pyrrolidone) (PVP). The miscibility of the polymers was confirmed with differential scanning calorimetry with the appearance of a single glassβtransition temperature. Additionally, a negative
The melting behaviors of hydrogels of syndiotacticity-rich poly(viny1 alcohol) (s-PVA), derived from vinyl trifluoroacetate, during heating at various rates of rising temperature were examined. For the hydrogels with the polymer concentrations above 5 g/dL chilled at the temperatures of 0 -40Β°C, the