Journal
APPLIED THERMAL ENGINEERING
Volume 99, Issue -, Pages 495-501Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2015.12.111
Keywords
Phase change materials; Microencapsulation; Silk fibroin; Thermal properties
Funding
- Shenzhen government project [JCYJ20140417115840245, CXZZ20150402105414536, ZDSY20120619140933512]
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Novel microencapsulated n-octadecane with natural silk fibroin (SF) shell was prepared using a self assembly method in oil-in-water (o/w) emulsion. The microstructures and chemical compositions of the resultant microcapsules were investigated by scanning electronic microscope (SEM) and Fourier transformation infrared spectroscope (FT-IR). SEM images demonstrated that the microcapsules presented spherical shape with a median size of 4-5 mu m. FT-IR results confirmed that SF shell was successfully fabricated upon n-octadecane core. According to the DSC and TGA examinations, the resultant microcapsules exhibited good phase-change performance, high thermal-storage capability and high thermal reliability. The microencapsulated n-octadecane with SF shell synthesized in the present study would be a potential candidate for the application of thermal-regulating textiles or fibers and biological medical materials, etc. (C) 2016 Elsevier Ltd. All rights reserved.
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