Journal
MATERIALS LETTERS
Volume 209, Issue -, Pages 345-348Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.08.040
Keywords
Chitosan; Glycerol; Permeability; Barrier properties
Funding
- National Science Foundation of China [31370583]
- Brand Specialty Construction First Projects of Jiangsu Universities [PPZY2015C221]
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Chitosan is a biodegradable natural polymer, coated on the surface of the paper can improve the oxygen barrier properties and resistance to fluid permeability of ordinary packaging paper, but the influence on resisting to water permeation are not enough. In this paper, through the analysis of the infrared spectra, surface properties, elongation, water resistance and water vapor barrier properties of the coated paper, the effects of glycerol plasticizer on the chitosan-coated paper were studied. The results showed that the addition of glycerol could increase the softness of chitosan. When the content of glycerol was 20 wt%, the elongation of the chitosan-glycerol coated paper increased 25.2% to the uncoated paper and 7.4% to the chitosan-coated paper. Meanwhile, those chitosan-glycerol-coated paper had better effect on resisting to water permeation, although the water vapor barrier properties could be improved. (C) 2017 Published by Elsevier B.V.
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