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Fabrication of Chitin Monoliths with Controllable Morphology by Thermally Induced Phase Separation of Chemically Modified Chitin by Emil Hajili; Zhicheng Suo; Akihide Sugawara; Taka-Aki Asoh; Hiroshi Uyama is a Materials Science article available to read on EtoBox.

What is Fabrication of Chitin Monoliths with Controllable Morphology by Thermally Induced Phase Separation of Chemically Modified Chitin about?

As a natural polymer, chitin has excellent biological properties such as biodegradability and immunological, antibacterial, and wound-healing activities and has numerous applications in cosmetics, drug delivery, and pharmaceuticals. Organic polymer monoliths have also drawn significant attention, owing to their high permeability, large surface area, and high mechanical strength. They are usually applied to separation, ion exchange, catalysis, and chromatography. We have previously prepared cellulose monoliths using biopolymers; however, because chitin possesses amide groups on its side chain, it is superior to cellulose for further chemical modification and applications. However, the utilization of chitin is restricted by its insolubility in water and common organic solvents. In this study, for the first time, a monolith was prepared by chemical modification of chitin using a thermally induced phase separation (TIPS) method. First, we prepared dibutyrylchitin (DBC) as a starting polymer that is soluble in organic solvents. To prepare the monolith, DBC was dissolved completely in dimethyl sulfoxide (DMSO) while heating, and deionized water was added to the solution. It was then cool

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Author

Emil Hajili; Zhicheng Suo; Akihide Sugawara; Taka-Aki Asoh; Hiroshi Uyama

Published

2022

Language

EN

Field

Materials Science (Physical Sciences)