Wet Spinning of α-1,3-glucan using an Ionic Liquid
Source abstract
Abstract
Wet-spinning of pure and completely linear α-1,3-glucan, synthesized in vitro enzymatic polymerization from sucrose, was first processed using an ionic liquid (1-ethyl-3-methylimidazolium acetate, [Emim][OAc]). The preparing dope of α-1,3-glucan was extruded, drawn, and coagulated in water and ethanol bathes. The cross-section shape, porosity, and mechanical property of the regenerated fibers were controlled by the type of the coagulation bath. Moreover, the crystal structure of the fiber coagulated in water showed a hydrated form (polymorph II). On the other hand, that of the fiber coagulated in ethanol showed an anhydrous form (polymorph III), and it was transformed into the hydrated form by solvent substitution with water.
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Research context
OpenAlex topics: biodegradable polymer synthesis and properties · Graphene and Nanomaterials Applications · Electrospun Nanofibers in Biomedical Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Science of Polymeric Materials, Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo
Technology Advancement Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo
References (20)
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