Journal
POLYMER DEGRADATION AND STABILITY
Volume 94, Issue 3, Pages 383-388Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2008.11.020
Keywords
Poly(vinyl alcohol); Collagen; UV irradiation; Biomaterials
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Funding
- Ministry of Science (MNII, Poland) [N N507 3495325]
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The photochemical stability of poly(vinyl alcohol) (PVA) in the presence of 1%, 3% and 5% of collagen has been Studied by Fourier Transform Infrared (FTIR) Spectroscopy, UV-vis spectroscopy, and Differential Scanning Calorimetry (DSC). PVA samples containing 1%, 3% and 5% of collagen were irradiated with UV light wavelength lambda = 254 nm in air. The results have shown that PVA in the presence of 1%, 3% and 5% of collagen is less stable under UV radiation than pure PVA. A small amount of collagen in PVA enhances photooxidation in the PVA. The amount of crystallinity in PVA containing 1%, 3% and 5% of collagen decreases faster with UV irradiation time than that for pure PVA films. (C) 2008 Elsevier Ltd. All rights reserved.
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