| Literature DB >> 19700267 |
Siddhi Gupta1, Ashit Kumar Pramanik, Ansu Kailath, Trilochan Mishra, Avijit Guha, Suprabha Nayar, Arvind Sinha.
Abstract
Transparent and stable Poly(vinyl alcohol) hydrogels were synthesized from polymer aqueous solution without resorting to a mixed solvent such as dimethyl sulfoxide and water. Contrary to the reported methods involving hydrogen bond induced physical crosslinking by repeated freeze-thawing at -20 degrees C, the present process demonstrates the gelation taking place at relatively higher temperature, i.e. 0 degrees C. While maintaining transparency in all the synthesized hydrogels, the present paper reports systematic structural and morphological variations in the hydrogels as a function of polymer concentration.Entities:
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Year: 2009 PMID： 19700267 DOI： 10.1016/j.colsurfb.2009.07.015
Source DB: PubMed Journal: Colloids Surf B Biointerfaces ISSN： 0927-7765 Impact factor: 5.268