期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 159, 期 -, 页码 213-221出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2020.05.060
关键词
Electrostatic complexing; Water-proof; Thermal stability; Mechanical property; UV blocking
资金
- National Key Research and Development Program [2016YFD0400204-2]
- National Natural Science Foundation of China [31771932]
Various biodegradable or edible films were designed to deal with the environmental threats from plastic films. To overcome the defects of pectin film, the feasibility for the incorporation of CH/PE fiber was explored. Micron-scale novel artificial CH/PE fibers in needle, spindle or whisker shape with a diameter around 25 mu m were fabricated via a shearing regime in virtue of electrostatic complexing. The incorporation of CH/PE fiber (mixture) and its sizefractioned portions (small and large) substantially changed PE films in diverse ways. Structurally, the fiber incorporated films were heterogeneous with the fibers concentrated in the upper layer, although they presented similar FT-IR spectra and XRD pattern to PE film. Regarding the film performance, the incorporation of CH/PE fibers, especially the small portion, rendered the PE film with higher values in water-proof ability, thermal stability, break resistibility, stretchability and UV blocking capacity. More importantly, this work provided an innovative strategy to improve the performance of edible films. (C) 2020 Elsevier B.V. All rights reserved.
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