School of Materials Science and Engineering, Yancheng Institute of Technology, Yancheng 224001, China
| Abstract: | As one of the extremely rich polysaccharides in the world, chitin is also a material with excellent biocompatibility, biodegradable, green, non-toxic and harmless properties, so the new materials made of chitin are widely used in the food industry, biomedicine, health and safety and other fields. The development of new chitin materials has inhibited the use of traditional petroleum-based materials to some extent and improved the ecological environment. However, due to the defects of traditional extraction methods, the industrialization scale and commercialization of chitin are still in a bottleneck stage. This is due to the preparation of chitin new materials generally need to dissolve and extract it, and chitin has a high molecular weight, the existence of a large number of strong intermolecular hydrogen bonds makes it crystallinity high. At the same time, the structure of chitin is also relatively special due to its regular intermolecular arrangement, so chitin is difficult to melt and does not dissolve in water, alkaline solvents and most organic solvents.Therefore, in order to avoid the processing problems caused by chitin extraction, direct extraction and dissolved chitin extraction are introduced to prepare new materials, and proposed the development prospect of chitin. |
| Keywords: | Chitin; New Material; Preparation |
| DOI: | 10.57237/j.cse.2022.01.004 |
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