期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 129, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2019.105690
关键词
Energy materials; Hybrid; Polymer-matrix composites (PMCs); Thermal properties
资金
- National Natural Science Foundation of China [51773040, 21574029]
In this work, form-stable phase change composites (PCCs) was prepared based on wood flour (WF), the byproduct of timber industry, via delignification and impregnation with myristyl alcohol (MA). After delignification, the micro-channel structure inherited from wood was still maintained and unblocked in delignifled wood flour (dWF), which are beneficial to accommodate and restrict solid-liquid phase change materials (PCMs). The dWF/MA PCCs exhibit excellent leakage-proof properties even at temperature much higher than the melting point of MA and high phase change enthalpy. The dWF/MA PCCs were further used to fabricate composite boards by bonding with urea-formaldehyde (UF) resin. The temperature management effect of dWF/MA/UF boards was tentatively demonstrated through constructing building models and measuring the inner temperature-time curves. This work provides a promising way to fully utilize and functionalize WF and broad its application in energy-related areas.
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