Improving thermal conductivity of cotton fabrics using composite coatings containing graphene, multiwall carbon nanotube or boron nitride fine particles |
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| Authors: | Amir Abbas Yan Zhao Jianguo Zhou Xungai Wang Tong Lin |
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| Institution: | 2. Australian Future Fibres Research and Innovation Centre, Institute for Frontier Materials, Deakin University, Geelong, Vic, 3216, Australia
1. Chemtura Corporation, 1000 Morgantown Ind Park, Morgantown, WV, 26501, USA
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| Abstract: | Graphene, multi-wall carbon nanotube (MWCNT) and fine boron nitride (BN) particles were separately applied with a resin onto a cotton fabric, and the effect of the thin composite coatings on the thermal conductive property, air permeability, wettability and color appearance of the cotton fabric was examined. The existence of the fillers within the coating layer increased the thermal conductivity of the coated cotton fabric. At the same coating content, the increase in fabric thermal conductivity was in the order of graphene > BN > MWCNT, ranging from 132 % to 842 % (based on pure cotton fabric). The coating led to 73 %, 69 % and 64 % reduction in air permeability when it respectively contained 50.0 wt% graphene, BN and MWCNTs. The graphene and MWCNT treated fabrics had a black appearance, but the coating had almost no influence on the fabric hydrophilicity. The BN coating made cotton fabric surface hydrophobic, with little change in fabric color. |
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