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Table 1 The comparison of thermal characteristics of initial chitosan, clinoptilolite, saponite, and synthesized composites of partially crosslinked chitosan and minerals

From: Natural Minerals Coated by Biopolymer Chitosan: Synthesis, Physicochemical, and Adsorption Properties

Material T max, °C (DTG) m, % (TG) m total, % (TG) T max, °C (DSC) m/z (MS)
Chitosan 76 295 500 2.13 51.94 37.67 93 300 400 12 16 18 30 44
Partially crosslinked chitosan-clinoptilolite 123 280 500 5.45 6.53 4.47 16.5 320 515 850 12 16 18 44
Clinoptilolite 159 7.19 1.59 8.77 400 860 16 18
Partially crosslinked chitosan-saponite 108 277 344 443 515 824 4.70 7.04 3.27 5.19 20 350 450 510 860 12 16 18 22 30 41 44
Saponite 145 541 686 816 2.63 3.48 0.72 9.5 220 320 590 730 860 12 16 18 44