Preparation and Characterization of a Type of Green Vacuum Insulation Panel Prepared with Straw Core Material
1
Department of Flat Panel Display, Nanjing Electronic Devices Institute, Nanjing 210016, China
2
National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215000, China
3
College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
4
School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211800, China
5
Research and Development Department, Suzhou Zhenlun Spinning Co., Ltd., Suzhou 215000, China
*
Author to whom correspondence should be addressed.
Materials 2020, 13(20), 4604; https://doi.org/10.3390/ma13204604
Received: 13 July 2020
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Revised: 7 September 2020
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Accepted: 11 September 2020
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Published: 16 October 2020
The Vacuum Insulation Panel (VIP), regarded as the most promising high-performance thermal insulation material, still has application limitations because of its high cost. In this paper, VIPs using natural straw as the core material are prepared. The fiber saturation point (FSP) is important in order to determine the optimum for the use of renewable straw materials as a potential VIP core. The microstructure of straw core material, together with the relationship between the moisture content, the diametral compression strength, and the thermal conductivity of as-prepared straw VIPs are investigated. Compression characteristics of straw core material and heat insulation mechanism within the straw VIP envelope enclosure are analyzed. Total thermal conductivity of a straw VIP is sensitive to both the inner pressure and the moisture content of straw core material. The optimum drying process for straw VIPs is heating the straw core material at a temperature of 120 ℃ for 60 min, with its center-of-panel value being about 3.8 mW/(m·K).
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MDPI and ACS Style
Wang, L.; Yang, Y.; Chen, Z.; Hong, Y.; Chen, Z.; Wu, J. Preparation and Characterization of a Type of Green Vacuum Insulation Panel Prepared with Straw Core Material. Materials 2020, 13, 4604. https://doi.org/10.3390/ma13204604
AMA Style
Wang L, Yang Y, Chen Z, Hong Y, Chen Z, Wu J. Preparation and Characterization of a Type of Green Vacuum Insulation Panel Prepared with Straw Core Material. Materials. 2020; 13(20):4604. https://doi.org/10.3390/ma13204604
Chicago/Turabian StyleWang, Lu, Yong Yang, Zhaofeng Chen, Yiyou Hong, Zhou Chen, and Jiankun Wu. 2020. "Preparation and Characterization of a Type of Green Vacuum Insulation Panel Prepared with Straw Core Material" Materials 13, no. 20: 4604. https://doi.org/10.3390/ma13204604
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