Preparation of Stearic Acid/Graphene oxide Based Form-Stable Composite Phase Change Materials

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International Journal of Advances in Engineering and Pure Sciences
Volume:30 Issue:2
Preparation of Stearic Acid/Graphene oxide Based Form-Stable Composite Phase Change Materials

Preparation of Stearic Acid/Graphene oxide Based Form-Stable Composite Phase Change Materials

Pages : 119-125

View : 17 | Download : 7

Publication Date : 2018-06-30

Article Type : Research Paper

Abstract :Composite phase change materials insert ignore into journalissuearticles values(PCM); of stearic acid/graphene oxide were prepared by thiol-alkyne click coupling reaction. Stearic acid was firstly modified with propargyl to introduce thiol-yne clickable sites. Different amounts of graphene oxide were added to thiol-alkyne clickable formulation. To evaluate phase change properties of PCMs differential scanning calorimeter insert ignore into journalissuearticles values(DSC); was used. Thermal stability and degradation profiles of PCMs were investigated. The structural characterization of stearic propargyl ester and PCMs was performed by ATR-FTIR spectroscopy. The addition of graphene oxide increased the maximum weigh loss temperature from 328 to 351 ˚C with respect to the base formulation. Moreover, the crosslinking of stearic acid prevented the leakage of PCMs .
Keywords : phase change materials, thiol yne click, graphene oxide

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