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

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...

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Bibliographic Details
Published in:Journal of microencapsulation 2005-02, Vol.22 (1), p.37-46
Main Authors: Tseng, Y.-H., Fang, M.-H., Tsai, P.-S., Yang, Y.-M.
Format: Article
Language:English
Subjects:
Alkanes
Biological and medical sciences
Capsules
core/shell particle
Drug Compounding - methods
Emulsifying Agents
Energy Transfer
Formaldehyde
General pharmacology
Hot Temperature
interfacial polycondensation
Medical sciences
Microencapsulation
Microscopy, Electron, Scanning - methods
Paraffin
Particle Size
Pharmaceutical technology. Pharmaceutical industry
Pharmacology. Drug treatments
phase-change material
Polymers
Sclerosing Solutions
Urea
Waxes
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Summary: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.
ISSN:0265-2048
1464-5246
DOI:10.1080/02652040400026558