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Materials 2017, 10(12), 1370; doi:10.3390/ma10121370

Properties and Applications of High Emissivity Composite Films Based on Far-Infrared Ceramic Powder

School of Printing and Packaging, Wuhan University, No. 129 Luo Yu Road, Wuchang District, Wuhan 430079, China
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Received: 11 October 2017 / Revised: 22 November 2017 / Accepted: 23 November 2017 / Published: 29 November 2017
(This article belongs to the Special Issue Polymer Derived Ceramics and Applications)
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Abstract

Polymer matrix composite materials that can emit radiation in the far-infrared region of the spectrum are receiving increasing attention due to their ability to significantly influence biological processes. This study reports on the far-infrared emissivity property of composite films based on far-infrared ceramic powder. X-ray fluorescence spectrometry, Fourier transform infrared spectroscopy, thermogravimetric analysis, and X-ray powder diffractometry were used to evaluate the physical properties of the ceramic powder. The ceramic powder was found to be rich in aluminum oxide, titanium oxide, and silicon oxide, which demonstrate high far-infrared emissivity. In addition, the micromorphology, mechanical performance, dynamic mechanical properties, and far-infrared emissivity of the composite were analyzed to evaluate their suitability for strawberry storage. The mechanical properties of the far-infrared radiation ceramic (cFIR) composite films were not significantly influenced (p ≥ 0.05) by the addition of the ceramic powder. However, the dynamic mechanical analysis (DMA) properties of the cFIR composite films, including a reduction in damping and shock absorption performance, were significant influenced by the addition of the ceramic powder. Moreover, the cFIR composite films showed high far-infrared emissivity, which has the capability of prolonging the storage life of strawberries. This research demonstrates that cFIR composite films are promising for future applications. View Full-Text
Keywords: ceramic powder; far-infrared emissivity; composite film; strawberries ceramic powder; far-infrared emissivity; composite film; strawberries
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Xiong, Y.; Huang, S.; Wang, W.; Liu, X.; Li, H. Properties and Applications of High Emissivity Composite Films Based on Far-Infrared Ceramic Powder. Materials 2017, 10, 1370.

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