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Open AccessArticle

Facile Fabrication of Methylcellulose/PLA Membrane with Improved Properties

1
School of Chemical Engineering & Pharmaceutics, Henan University of Science and Technology, Luoyang 471003, China
2
State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410004, China
*
Authors to whom correspondence should be addressed.
Coatings 2020, 10(5), 499; https://doi.org/10.3390/coatings10050499
Received: 4 April 2020 / Revised: 14 May 2020 / Accepted: 18 May 2020 / Published: 22 May 2020
With the rapid exhaustion of fossil resources, and environmental pollution relative to the use of fossil-based products, developing eco-friendly products using biomass and/or biodegradable resources is becoming increasingly conspicuous. In this study, ecofriendly and biodegradable composite membranes containing varying MC/PLA (methylcellulose/polylactic acid) mass ratios were prepared. The properties and structures of the MC/PLA membranes were studied by mechanical testing, 13C NMR techniques, X-ray diffraction (XRD), thermogravimetric analysis (TGA), and hot compression. The MC/PLA membranes displayed markedly improved tensile strength and elongation at the MC/PLA mass ratio range of 99:1 to 9:1. The tensile strength and elongation of the MC/PLA (97:3) membrane was found to be the optimum, at 30% and 35% higher than the neat MC, respectively. It was also found that hot compression could improve the tensile strength and elongation of the membranes. At the same time, the membranes showed enough good thermal stability. In addition, the effect of MC/PLA mass ratio on morphologies of the membranes were studied by microscopy technique. View Full-Text
Keywords: methylcellulose; polylactic acid; composite membrane; recyclability; improved properties methylcellulose; polylactic acid; composite membrane; recyclability; improved properties
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MDPI and ACS Style

Guo, P.; Wang, F.; Duo, T.; Xiao, Z.; Xu, A.; Liu, R.; Jiang, C. Facile Fabrication of Methylcellulose/PLA Membrane with Improved Properties. Coatings 2020, 10, 499.

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