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| Progress in Preparation and Applications of Carboxymethyl Cellulose |
| Received:August 14, 2021 |
| DOI：10.11981/j.issn.1000-6842.2022.03.144 |
| Key Words:cellulose;carboxymethylation;carboxymethyl cellulose;biomass raw material;functional additive |
| Fund Project:浙江省重点研发计划（2020C02021）；衢江区科技计划（QJ2020023）。 |
| Author Name | Affiliation | Postcode | | CHEN Zijian* | Pulp and Papermaking Research Center， College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310008 | 310018 | | TANG Yanjun | Pulp and Papermaking Research Center， College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310008 | 310018 | | ZHU Peng | Pulp and Papermaking Research Center， College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310008 | 310018 | | CHEN Tianying | Pulp and Papermaking Research Center， College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310008 | 310018 | | ZHOU Yiming | Pulp and Papermaking Research Center， College of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310008 | 310018 |
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| Abstract: |
| Firstly， the general properties of carboxymethyl cellulose （CMC） were introduced. Based on the mechanism of carboxymethy- lation， the traditional preparation methods of CMC and the research progress of cellulose carboxymethylation at home and abroad in recent years were reviewed. The advantages and disadvantages of different preparation methods were compared. Furthermore， the influencing factors of CMC preparation process were summarized， which included the types and cellulose crystallinity of raw material， pretreatment methods， microwave assistance， feeding approach， choice of solvent system， selection of etherifying agent and catalyst， and the process parameters. Eventually， the applications of CMC in biomedicine， pharmacy， textile， food， papermaking， water treatment， petroleum industry， construction， daily chemicals， and other fields were systematically elaborated. |
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