Preparation and Properties of Nano-cellulose/Sodium Alginate Composite Hydrogel |
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| Authors: | Peiyi Li Ruiyan Liu Haozhe Lei Miaomiao Zhou Boxing Jian Xinping Li |
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| Affiliation: | 1.College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi''an, Shaanxi Province, 710021, China;2.Key Laboratory of Paper Based Functional Materials of China National Light Industry, Xi''an, Shaanxi Province, 710021, China;3.Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Xi''an, Shaanxi Province, 710021, China |
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| Abstract: | Cellulose nanofiber (CNF) was isolated from Okara using deep eutectic solvent (DES) with high-speed stirring. The composite hydrogels obtained by using different proportions of CNF and sodium alginate (SA) had different properties. The CNF/SA composite hydrogels were analyzed using Fourier transform infrared spectroscopy and scanning electron microscopy and tested for compression properties, rheological properties, water content, and swelling degree. Physical crosslinking between SA and Ca2+, and different degrees of hydrogen bond formation between SA and CNF were observed. The CNF/SA composite hydrogel have great potential as reinforcements in eco-friendly composite hydrogels for diverse applications. |
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| Keywords: | composite hydrogel cellulose nanofiber sodium alginate Okara |
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