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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 5/2009

01.05.2009 | Original Contribution

Preparation, characterization, and thermal properties of microPCMs containing n-dodecanol by using different types of styrene-maleic anhydride as emulsifier

verfasst von: Fei Yu, Zhong-Hua Chen, Xing-Rong Zeng

Erschienen in: Colloid and Polymer Science | Ausgabe 5/2009

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Abstract

Microcapsules containing polar phase change material (PCM) n-dodecanol were synthesized by in situ polymerization using melamine-formaldehyde resin as shell and styrene-maleic anhydride copolymer (SMA) as emulsifier. The effects of polarity of PCM and types and amounts of SMA emulsifier on the properties of microencapsulated PCMs (microPCMs) were studied and characterized by using Fourier transform infrared spectroscopy, scanning electron microscopy, differential scanning calorimetry, thermogravimetric analysis, and laser particle diameter analyzer. The results show that thermal properties of microPCMs are affected greatly by the types and amounts of SMA. Anionic SMA emulsifier is suitable for the encapsulation of n-dodecanol. The polarity of PCM leads to the higher adding amount of SMA emulsifier. When mass ratio of emulsifier to n-dodecanol is 4.8%, the phase change latent heat and encapsulation efficiency reach to the maximum value of 187.5 J/g and 93.1%, respectively. Irregular spherical microPCMs with mean diameter of 30.6 μm and phase change temperature of 21.5 °C are obtained and can be used for energy storage.
Vorheriger Artikel Surface treatment of LLDPE and LDPE blends by nitric acid, sulfuric acid, and chromic acid etching
Nächster Artikel Semicontinuous microemulsion copolymerization of vinyl acetate and butyl acrylate: high solid content and effect of monomer addition rate

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Metadaten
Titel
Preparation, characterization, and thermal properties of microPCMs containing n-dodecanol by using different types of styrene-maleic anhydride as emulsifier
verfasst von
Fei Yu
Zhong-Hua Chen
Xing-Rong Zeng
Publikationsdatum
01.05.2009
Verlag
Springer-Verlag
Erschienen in
Colloid and Polymer Science / Ausgabe 5/2009
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-009-2001-8

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