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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