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
Hydrogels from glycidyl derivatives of poly(vinyl alcohol)
✍ Scribed by J. Ruiz; A. Mantecón; V. Cádiz
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 107 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0021-8995
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## 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 glass‐transition 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 -40°C, the