Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 209, Issue 1, Pages 1-6Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2009.09.017
Keywords
Free radical polymerization; Hydrogel; Photo polymerization; Type II photoinitiator
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Funding
- TOBITAK [106T407]
- Turkish State Planning Organization [25-DPT-07-04-01]
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Hydrogels were prepared by photoinduced polymerization of poly(ethylene glycol)monoacrylate (PEGMA) and poly(ethylene glycol)diacrylate (n=200 and 700) (PEGDA) with Type 1, 1-[4-(2hydroxyethoxy)-phenyl]-2-hydroxy-2-methyl-1-propane-1-one (1-2959) and one-component Type 11 initiators: (9-oxo-9H-thioxanthen-2-yloxy)-acetic acid (TXOCH2COOH) and (9-oxo-9H-thioxanthen-2yloxy)-sodium acetate (TXOCH2COO-Na+). The swelling properties of hydrogels were investigated and observed to be excellent. Smooth morphology and no phase separation were observed from SEM micrographs of the hydrogels. (C) 2009 Elsevier B.V. All rights reserved.
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