publication . Article . 2016

Spinning Process of Chitosan Fiber with Low Concentration of Formic Acid Solution and its Characteristics

Han, Thazin; Nwe, Nitar; Win, Phyu Phyu; Tamura, Hiroshi;
Open Access
  • Published: 27 Jul 2016 Journal: Journal of Modern Materials, volume 1, pages 24-34 (eissn: 2456-4834, Copyright policy)
  • Publisher: AIJR Publisher
Abstract
<jats:p>The wet spinning of chitosan fiber was carried out using 7% chitosan concentration, 4% aqueous formic acid as a solvent for chitosan and 6M of aqueous CaCl2.2H2O as a coagulation system. A better method for preparation of chitosan spinning solution was investigated by studying the effect of reaction time on incubation of spinning solution in open air. The shear viscosity of chitosan solution (22.63 ~ 23.09 Pa.s) was found to be stabilize the spinning of chitosan fiber in this study. The characteristics of different chitosan fibers were determined by FT-IR and 1HNMR spectroscopies, XRD diffraction, scanning electron microscopy and mechanical properties. A...
Subjects
free text keywords: Composite material, Proton NMR, Aqueous solution, Chemical engineering, Spinning, Fiber, Formic acid, chemistry.chemical_compound, chemistry, Materials science, Scanning electron microscope, Solvent, Chitosan, aqueous formic acid, tenacity, water retention.
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