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The Study of Zeolitic Imidazolate Framework (ZIF-8) Doped Polyvinyl Alcohol/Starch/Methyl Cellulose Blend Film

by Shaoxiang Lee 1,2,3, Yunna Lei 1,2,3, Dong Wang 1,2,3,*, Chunxu Li 4,*, Jiaji Cheng 1,2,3, Jiaping Wang 1,2,3, Wenqiao Meng 1,2,3 and Meng Liu 1,2,3
1
College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
2
Shandong Engineering Research Center for Marine Environment Corrosion and Safety Protection, Qingdao University of Science and Technology, Qingdao 266042, China
3
Shandong Engineering Technology Research Center for Advanced Coating, Qingdao University of Science and Technology, Qingdao 266042, China
4
ASTUTE 2020 in Future Manufacturing Research Institute, College of Engineering, Swansea University, Swansea SA1 8EN, UK
*
Authors to whom correspondence should be addressed.
Polymers 2019, 11(12), 1986; https://doi.org/10.3390/polym11121986
Received: 7 November 2019 / Revised: 25 November 2019 / Accepted: 25 November 2019 / Published: 2 December 2019
ZIF-8 nanoparticle-doped polyvinyl alcohol (PVA)-S-MC films were prepared via casting method. The effect of different concentrations of ZIF-8 on the physical properties and structural characterization of the films were investigated. The results indicated that ZIF-8 could increase the water resistance and mechanical property of the membrane. Through FTIR, scanning electron microscope (SEM), atomic force microscope (AFM), and TGA analysis, it was found that ZIF-8 changed the phenomenon of macromolecule agglomeration and improved the thermal stability of the membrane. The breathable behavior of the film was also studied through oxygen permeability and water vapor permeability analysis. The result illustrated that the breathability of the film improved significantly by adding ZIF-8. The maximum reached when the weight ratio of ZIF-8 was 0.01 wt %. The property expands the application of PVA/starch blend film in the postharvest technology of fruits and vegetables. View Full-Text
Keywords: PVA/starch; composite membrane; metal-organic frameworks PVA/starch; composite membrane; metal-organic frameworks
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MDPI and ACS Style

Lee, S.; Lei, Y.; Wang, D.; Li, C.; Cheng, J.; Wang, J.; Meng, W.; Liu, M. The Study of Zeolitic Imidazolate Framework (ZIF-8) Doped Polyvinyl Alcohol/Starch/Methyl Cellulose Blend Film. Polymers 2019, 11, 1986.

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