Journal
CARBOHYDRATE POLYMERS
Volume 197, Issue -, Pages 253-259Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2018.06.005
Keywords
Nacre-like; Silver nanoparticles; Konjac glucomannan; Montmorillonite; Antibacterial
Categories
Funding
- National Natural Science Foundation of China [21601147]
- Key research and development project of science and technology department of Sichuan province [2017GZ0342]
- Projects in the Sichuan Province Science & Technology Pillar Program [2016GZ0259, 2016GZ0277]
- Education Department of Sichuan Province [18ZA494]
- China Postdoctoral Fund [187176, 2018M632618]
- Longshan Academic Talents Supporting Project of Southwest University of Science and Technology [17LZX526, 17LZXT04]
- Plan Projects of Mianyang Science and Technology [17zd2107]
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Artificial nacre-like konjac glucomannan-Montmorillonite (KGM-MTM) composite films with 'brick and mortar' microstructures have been fabricated based on using KGM-MTM hybrid nanosheets as building blocks. In the designed fabrication procedure, we assembled hybrid building blocks with a thin layer of KGM coating on the MTM nanosheets to form KGM-MTM composite film via vacuum filtration. The nacre-like microstructures enhanced the light transmission performance and mechanical properties (Tensile strength: 116 MPa) of KGM-MTM composite films. Additionally, Ag nanoparticles (Ag NPs) can be incorporated into the layered structures of KGM-MTM composite films via an in situ reduced method. It was found that KGM-MTM-Ag composite films significantly suppress bacterial growth, which makes them potentially applicable as antimicrobial films in the biomedical field.
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