期刊
JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION
卷 31, 期 3, 页码 350-375出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09205063.2019.1692641
关键词
Chitosan; mechanical properties; plasticizers; cross-linking; nano-composites
资金
- National Research Centre, Egypt
Chitosan (CS) has been investigated for copious applications in the biomedical, industrial and environmental fields owing to its diverse advantageous traits. Nevertheless, CS exhibits debilitated mechanical stability. This debilitated mechanical stability constitutes an obstacle to nearly all of CS's applications. Hence, in this review we discussed different approaches that could be adopted in order to escalate the mechanical properties of CS. Chemical cross-linking was among these approaches where CS was chemically cross-linked with various agents, such as glutaraldehyde, vanillin, and genipin. Different plasticizers were also incorporated with CS. Moreover, nano-materials were added to CS so as to form nano-composites of enhanced mechanical properties. Porogens were also employed to increase the surface area available for the CS's physical and chemical cross-linking processes. Other reports attempted to modify the fabrication conditions and gelling system of CS as a means of producing mechanically stable CS gels.
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