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Materials 2017, 10(1), 39;

A Facile Pathway to Modify Cellulose Composite Film by Reducing Wettability and Improving Barrier towards Moisture

Department of Cardiology, Renmin Hospital, Wuhan University, Wuhan 430070, China
Key Laboratory of Horticultural Plant Biology of Ministry of Education, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
Author to whom correspondence should be addressed.
Academic Editor: Valentina Siracusa
Received: 8 November 2016 / Revised: 19 December 2016 / Accepted: 26 December 2016 / Published: 5 January 2017
(This article belongs to the Special Issue Biobased Polymers for Packaging Applications)
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The hydrophilic property of cellulose is a key limiting factor for its wide application. Here, a novel solution impregnation pathway was developed to increase the hydrophobic properties of cellulose. When compared with the regenerated cellulose (RC), the composite films showed a decrease in water uptake ability towards water vapor, and an increase of the water contact angle from 29° to 65° with increasing resin content in the composites, with only a slight change in the transmittance. Furthermore, the Young’s modulus value increased from 3.2 GPa (RC film) to 5.1 GPa (RCBEA50 film). The results indicated that the composites had combined the advantages of cellulose and biphenyl A epoxy acrylate prepolymer (BEA) resin. The presented method has great potential for the preparation of biocomposites with improved properties. The overall results suggest that composite films can be used as high-performance packaging materials. View Full-Text
Keywords: polymer-matrix composites (PMCs); cellulose; wettability; curing polymer-matrix composites (PMCs); cellulose; wettability; curing

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Hu, X.; Chen, L.; Tao, D.; Ma, Z.; Liu, S. A Facile Pathway to Modify Cellulose Composite Film by Reducing Wettability and Improving Barrier towards Moisture. Materials 2017, 10, 39.

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