Journal
POLYMERS FOR ADVANCED TECHNOLOGIES
Volume 22, Issue 10, Pages 1442-1445Publisher
WILEY-BLACKWELL
DOI: 10.1002/pat.1623
Keywords
gradient; hydrogels; photopolymerization; thick polymer system
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Funding
- National Natural Science Foundation of China (NSFC) [50433040, 20374004]
- Polymer Chemistry and Physics, BMEC [XK 100100433]
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In this paper, we report on the synthesis of poly(acrylamide) (PAM) hydrogels by photoinitiation with a thick system. The hydrogels exhibited gradient crosslinking density along the light path. Thermogravimetric analyses (TGA) proved the same effects. We investigated some factors affecting the swelling ratio of the hydrogels such as crosslinking agent concentration, photoinitiator concentration, and monomer concentration. The as-prepared hydrogels might have some potential applications in drug delivery systems and other function materials. Copyright (C) 2009 John Wiley & Sons, Ltd.
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