Citation: Nan Nan Geng, Cong Ming Xiao. Facile preparation of methylcellulose/poly(vinyl alcohol) physical complex hydrogels with tunable thermosensitivity[J]. Chinese Chemical Letters, ;2009, 20(1): 111-114. doi: 10.1016/j.cclet.2008.09.003 shu

Facile preparation of methylcellulose/poly(vinyl alcohol) physical complex hydrogels with tunable thermosensitivity

College of Material Science and Engineering, Huaqiao University, Quanzhou 362021, China

Received Date: 16 June 2008

Fund Project: The authors gratefully acknowledge the support by Natural Science Foundation of Fujian Province of China (No. E0640005) for this project.

Novel complex hydrogels of methylcellulose (MC) and poly(vinyl alcohol) (PVA) with wide-spectrum thermoresponsivity were prepared via physical and mild process. Thermal phase transition of MC/PVA hydrogels exhibited two forms including sol/sol to gel/sol and sol/gel to gel/gel. The phase transition temperature of MC/PVA solution ranged from 38.7 to 60.6℃ and was able to be adjusted by simply changing the feeding ratios of two components. The interior morphology of MC/PVA gels was examined with fluorescence analysis and scanning electron microscopy analysis, which showed that MC was well dispersed in matrix before and after thermally gelling.
- Methylcellulose,
- Poly(vinyl alcohol),
- Hydrogel,
- Thermosensitive,
- Controllable
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