Gelatin/chitosan/MMT composites were prepared by emulsion-crosslinking method.The effect of MMT on the adsorption/desorption of moisture of the composites was investigated.The properties and structures of the composites were studied by moisture adsorption/desorption,particle size,SEM and TEM.The results shown that the MMT was successfully introduced into the composite by FT-IR.SEM and TEM showed that the surface of the microspheres was not smooth after the introduction of MMT.The surface of the microspheres with MMT in gelatin showed a layered structure.The moisture adsorption can be improved by MMT.The moisture adsorption rate of the composite with MMT in gelatin was higher than that of the composite with MMT in chitosan.The composites exhibited high moisture adsorption and desorption rate,short desorption time when the mass ratio of MMT to gelatin was 0.05 to 1,indicating a good moisture adsorption/desorption and comprehensive moisture regulation performance.
Hou Xueyan, Zhang Daqing, Li Qianqian, Ni Lihao, Zhang Yuqi, Wang Jijiang
. Influence of MMT on the moisture adsorption/desorption properties of gelatin chitosan/MMT composite[J]. New Chemical Materials, 2020
, 48(11)
: 72
-76
.
DOI: 10.19817/j.cnki.issn 1006-3536.2020.11.016
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