Design and development of sulfonated tetrafunctional epoxy nanocomposites for advanced engineering applications

Duraibabu Dhanapal, Alagar Muthukaruppan, Ananda Kumar Srinivasan

Abstract


Attempts were made in the present study to design and develop skeletally modified ether linked tetraglycidyl epoxy resin (TGBAPSB), which is subsequently reinforced with different weight percentages of amine functionalized mullite fiber (F-MF). The F-MF was synthesized by reacting mullite fiber with 3-aminopropyltriethoxysilane (APTES) as coupling agent and the F-MF structure was confirmed by FT-IR. TGBAPSB reinforced with F-MF formulation was cured with 4,4’-diamino diphenyl methane (DDM) to obtain nanocomposite. The surface morphology of TGBAPSB-F-MF epoxy nanocomposites was investigated by XRD, SEM and AFM studies. From the study, it follows that these nanocomposite materials offer enhancement in mechanical, thermal, thermo-mechanical, dielectric properties compared to neat (TGBAPSB) epoxy matrix. Hence we recommend these nanocomposites for a possible use in advanced engineering applications that require both toughness and stiffness.


Keywords


Surface modification; Nanocomposites; Thermo-mechanical properties; Dielectrical properties; Phase separation

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References


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DOI: http://dx.doi.org/10.24294/can.v1i3.736

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