期刊
THERMOCHIMICA ACTA
卷 671, 期 -, 页码 10-16出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2018.11.002
关键词
Form-stable PCCFMs; Butyl stearate; Silver nanoparticles; DSC; Thermal performance; Heat transfer rates
资金
- National Natural Science Foundation of China [51706092]
- Open Project Program of Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University [KLET1610]
- Natural Science Foundation of Fujian Province [2018J05091]
- Education Science Research Program for Young and Middle-aged Teacher of Fujian Province [JAT170445]
- Open Project Program of Fujian Key Laboratory of Novel Functional Textile Fibers and Materials, Minjiang University [FKLTFM1802]
- Science and Technology Pre-research Program of Minjiang University [MJY16001]
- Cultivation Program for Outstanding Young Scholars in Colleges and Universities of Fujian Province
Electrospun polyacrylonitrile/sliver nanoparticles (PAN/Ag-NPs) nanofibrous membranes were fabricated as supporting materials by direct dispersing Ag-NPs additives into PAN solutions. And then a series of form-stable phase change composite fibrous membranes (PCCFMs) were developed by physical adsorbing three different kinds of solid-liquid phase change materials (PCMs) with the melting temperatures of about 20-33 degrees C including butyl stearate (BS), capric-myristic acid binary eutectic (CA-MA), capric- palmitic-stearic acid ternary eutectic (CA-PA-SA) into electrospun PAN/Ag-NPs supporting membranes. The morphology and thermal properties were characterized by scanning electron microscopy, thermogravimetric analysis, differential scanning calorimeter and measurement of melting and freezing times, respectively. DSC curves suggested that melting peak temperatures and enthalpies of the PAN/Ag-NPs-based form- stable PCCFMs were in the range of about 23.47-29.31 degrees C and 138.1-156.7 kJkg(-1), respectively. Melting/freezing times were significantly shorten by about 29%/32% and 44%/52% for the BS/PAN/Ag-NPs5 and BS/PAN/Ag-NPs10 form-stable PCCFMs owing to the addition of Ag-NPs.
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