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| Preparation of Silicified Microcrystalline Cellulose by Sol In-situ Deposition and Its Powder Properties |
| Received:August 24, 2021 |
| DOI：10.11980/j.issn.0254-508X.2021.11.008 |
| Key Words:sol in-situ deposition silicified microcrystalline cellulose SiO2 ethyl orthosilicate |
| Fund Project:陕西省重点研发项目（2017ZDXM-SF-090）。 |
| Author Name | Affiliation | Postcode | | XIU Huijuan | National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | WANG Zhi | National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | ZHOU Zhaoxiang | Zhejiang Shunpu New Material Technology Co., Ltd., Quzhou, Zhejiang Province, 324400 | 324400 | | LI Jinbao* | National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | ZHAO Xin | National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | LI Jingui | National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | ZHENG Xinyi | National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 | | BAI Yurou | National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper, College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province, 710021 | 710021 |
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| Abstract:In this study， sol in-situ deposition method was used to form SiO2 on the surface of microcrystalline cellulose （MCC） to prepare silicified microcrystalline cellulose （SMCC）. The results showed that as the amount of isopropanol in the co-solvent increased， the particle size of SiO2 decreased and the particle size distribution became more uniform. When isopropanol was used as co-solvent and ethyl orthosilicate was added at 0.8 mg/L， self-made SMCC had the best performance. The surface of self-made SMCC was basically evenly covered by SiO2， and the specific surface area of SMCC was larger than that of imported SMCC. There was no significant difference in the overall particle size distribution of self-made SMCC and raw MCC， but the comprehensive performance indicators of self-made SMCC were better than raw MCC and domestic SMCC， and were close to imported SMCC. |
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