TITLE

Thermal characterization of obtained microencapsulated paraffin under optimal conditions for thermal energy storage

AUTHOR(S)
Sami, Samaneh; Etesami, Nasrin
PUB. DATE
December 2017
SOURCE
Journal of Thermal Analysis & Calorimetry;Dec2017, Vol. 130 Issue 3, p1961
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The effective and facile microencapsulation of paraffin with poly(styrene) was conducted using emulsion polymerization. The optimal independent variables using response surface methodology were paraffin wax/styrene mass ratio of 0.39, SDS/styrene mass ratio of 0.032 and the stirring rate of 1500 rpm which are different from those of in the previous works. The thermal characterization of the optimal sample was carried out using TG and DSC analysis. Microcapsules produced using this method show less mass loss during the heating process. The microencapsulation ratio ( ER) reached to 87.8 ± 0.2% under the optimal conditions. The morphology of the optimal microcapsules was considered by SEM analysis. The results showed that the obtained microparticles were smaller, smoother and have greater microencapsulation ratios than was the case for those produced in previous studies. Thus, the optimal encapsulated paraffin with the maximum ratio and good stability can be considered to have good potential for energy storage.
ACCESSION #
126260555

 

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