Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 133, Issue 36, Pages -Publisher
WILEY
DOI: 10.1002/APP.43853
Keywords
cellulose; porous hybrid hydrogels; soy protein isolate
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Funding
- National Natural Science Foundation of China [21476013]
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Porous hybrid hydrogels were fabricated by mixing cellulose (CEL) and soy protein isolate (SPI) solutions, followed by crosslinking with epichlorohydrin. Their miscibility, morphology, structure, and properties were investigated by wide-angle X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, dynamic mechanical analysis, rheological measurement, and swelling tests. The results show that CEL performed as a scaffold of pore walls and contributed to the good mechanical properties, while SPI performed the role of an extender of pore size and was responsible for the high water absorbency. The incorporation of CEL (stiff chains) and SPI (hydrophilic groups) in the hybrid hydrogel constructed the porous structure. This work provides a method for the fabrication of hydrogels with porous structure through the combination of a stiff material as a scaffold and a hydrophilic material as an extender. (c) 2016 Wiley Periodicals, Inc.
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