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Solubility, viscosity and rheological properties of water-soluble chitosan derivativesKeywords: chitosan , chitosan derivatives , O-carboxymethyl chitosan , N , O-carboxymethyl chitosan , N-[(2-hydroxy-3-trimethylammonium)propyl] chitosan chloride , quaternised carboxymethyl chitosan , O-carboxymethyl-N-[(2-hydroxy-3-trimethyl ammonium) propyl] chitosan chloride , rheological properties Abstract: An investigation and comparison of solubility, viscosity and rheological properties under neutral, acidic and alkaline conditions of water-soluble chitosan derivatives, viz. O-carboxymethyl chitosan, N,O-carboxymethyl chitosan, N-[(2-hydroxy-3-trimethylammonium)propyl] chitosanchloride and O-carboxymethyl-N-[(2-hydroxy-3-trimethylammonium)propyl] chitosan chloride, was undertaken.
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