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Synthesis Of Hydrogel Poly ( Vinyl Alcohol ) ( PVA ) — Sodium Alginate Blend by Freeze-Thawing Followed by Gamma Irradiation for Wound Dressing Materials
| Content Provider | Semantic Scholar |
|---|---|
| Author | Erizal Abidin, Zainal |
| Copyright Year | 2011 |
| Abstract | Synthesis of Hydrogel Poly (Vinyl Alcohol) (Pva)—Sodium Alginate Blend by Freeze-Thawing Followed by Gamma Irradiation for Wound Dressing Materials. In order to enhance the mechanical properties of hydrogel poly (vinyl alcohol)/sodium alginate (PVA/SA) for the preparation wound dressing hydrogels, a combination of repeated freezethawing and irradiation processes and their characterization by Fourier Transform Infra Red Spectroscopy (FTIR) have been carried out. Gel fraction, swelling ratio and water evaporation were examined by gravimetry, while elongation at break was measured by Instron meter. The FTIR spectra clearly reveal that a combination of freeze-thawing and irradiation of PVA/SA hydrogels are bonded through hydrogen bonding. Freeze-thawing followed by irradiation can improve the gel fraction and elongation at break of PVA/SA hydrogels significantly compared to the freeze-thawing processing alone. Swelling ratio and water evaporation of hydrogels was influenced by the number of freeze-thawing cycles. The PVA/S hydrogels can be considered as candidate for wound dressings. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://jurnal.batan.go.id/index.php/jair/article/download/490/420 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
