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Polymer-Plastics Technology and Engineering Volume 55, 2016 - Issue 12
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Original Articles

Studies on Dielectric and UV Shielding Properties of Epoxy Functionalized Alumina/Silane-Modified Amine Epoxy Nanocomposites

Lakshmikandhan ThatchanamurthyDepartment of Chemical Engineering, Polymer Composite Laboratory, Anna University, Chennai, India
,
Sethuraman KrishnamoorthyDepartment of Chemical Engineering, Polymer Composite Laboratory, Anna University, Chennai, India
,
Chandramohan AyyavuMechanical Engineering Program, Texas A&M University at Qatar, Engineering Building, Education City, Doha, Qatar
&
Alagar MuthukaruppanDepartment of Chemical Engineering, Polymer Composite Laboratory, Anna University, Chennai, IndiaCorrespondence[email protected] [email protected]
Pages 1211-1219 | Published online: 22 Feb 2016
 
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ABSTRACT

In the present work, 3-glycidyloxypropyltrimethoxysilane functionalized alumina (F-Al2O3) was prepared and the formation of chemical bonding was confirmed with FTIR spectroscopy. Varying weight percentages of (5, 10, 15 and 20 wt%) glycidyl F-Al2O3 were reinforced with blend of diaminophenoxydimethylsilane and epoxy resin and then cured with diamonodiphenylmethane. The surface morphology of samples was analyzed before and after UV exposure for 168 h using SEM. The 20 wt% F-Al2O3 reinforced epoxy nanocomposite sample possesses higher thermal stability, higher dielectric constant and better UV radiation resistant properties than that of other weight percentages of F-Al2O3 reinforced epoxy nanocomposites.

GRAPHICAL ABSTRACT

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