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J Microencapsul. 2005 Feb;22(1):37-46. doi: 10.1080/02652040400026558.

Preparation of microencapsulated phase-change materials (MCPCMs) by means of interfacial polycondensation.

Journal of microencapsulation

Y-H Tseng, M-H Fang, P-S Tsai, Y-M Yang

Affiliations

  1. National Cheng Kung University, Tainan, Taiwan, ROC.

PMID: 16019889 DOI: 10.1080/02652040400026558

Abstract

Microcapsules for energy storage and/or heat transfer applications containing phase-change materials (PCMs-including n-pentadecane, n-eicosane and a paraffin wax) were successfully produced by emulsifying the PCMs as small droplets in an aqueous, water-soluble urea-formaldehyde pre-polymer solution substantially free of emulsifier while polymerizing the pre-polymer at the interface by acid-catalyst. The core/shell structured microcapsules were also characterized with size distribution analysis, scanning electron microscopy, FTIR spectrometry and differential scanning calorimetry.

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