Journal
POLYMER INTERNATIONAL
Volume 60, Issue 2, Pages 222-233Publisher
WILEY-BLACKWELL
DOI: 10.1002/pi.2929
Keywords
hydrogels; alginate; N-isopropylacrylamide; stimuli-responsive; swelling
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Funding
- Romanian ANCS [IDEI 17/2007, NOSITEC 41-017/2007, TD 506/2007]
- COST P12 Action
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Hydrogels consisting of sodium alginate and N-isopropylacrylamide covalently crosslinked with N,N'-methylenebisacrylamide were prepared. The mixed-interpenetrated networks obtained were characterized using elemental analysis, Fourier transform infrared and Raman spectroscopy, swelling measurements and environmental scanning electron microscopy. The thermo- and pH-responsive properties of these hydrogels were evidenced by their swelling behaviour, which depended also on the amount of crosslinking agent and hydrogel composition. (C) 2010 Society of Chemical Industry
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