
Keywords: β-Chitin; Quaternization degree; ChitosanHTCC, N-(2-hydroxyl) propyl-3-trimethyl ammonium chitosan chloride; GTMAC, glycidyl trimethyl ammonium chloride; XRD, X-ray diffraction; DQ, degrees of quaternization; RH, relative humidity; ABTS, 2,2′-azinobis(3-e