The green and stable dissolving system based on KOH/urea for homogeneous chemical modification of chitosan

Volume: 120, Pages: 1103 - 1110
Published: Dec 1, 2018
Abstract
The novel solvent (0.25 M KOH/0.01 M urea alkaline solution) was used to successfully dissolve chitosan without freezing-thawing cycles, for the first time. The results from XRD, FTIR, and 13CNRM proved that KOH/urea solution could destroy the hydrogen bonds between chitosan chains more efficiently than NaOH/urea solution. The dynamic light scattering, rheology, viscosity and elemental analysis confirmed that the KOH/urea hydrogen-bonded...
Paper Details
Title
The green and stable dissolving system based on KOH/urea for homogeneous chemical modification of chitosan
Published Date
Dec 1, 2018
Volume
120
Pages
1103 - 1110
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