Synthesis of Chitosan-graft-Poly(vinyl ether) as a Thermoresponsive Water-Soluble Chitosan
Source abstract
Abstract
The successful grafting of controlled-molecular-weight hydrophilic formyl-terminated poly(vinyl ether)s (poly(VE)s) onto chitosan is reported herein. As the chitosan-graft-poly(ethyl vinyl ether) [poly(EVE)] was not completely soluble in the NMR solvent, the degree of substitution could not be determined by 1H NMR spectroscopy. In contrast, synthesis of the chitosan-graft-poly(ethoxyethyl vinyl ether) [poly(EEVE)] was less efficient (degree of substitution being 0.3), but the obtained graft copolymers were soluble in water, and the lower critical solution temperature was determined to be ~35 ̊C. Thus, functional chitosan materials were successfully developed by grafting thermoresponsive formyl-terminated poly(EEVE) onto chitosan.
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Research context
OpenAlex topics: Nanocomposite Films for Food Packaging · biodegradable polymer synthesis and properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science and Engineering, Graduate School of Engineering,University of Fukui, Bunkyo
School of Earth, Energy and Environmental Engineering, Faculty of Engineering,Kitami Institute of Technology
References (28)
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