Polymers and Polymer Composites

EFFECTS OF FUNCTIONALISATION ON CURING AND DECOMPOSITION BEHAVIOUR OF EPOXY-MWCNT NANOCOMPOSITES

April 1, 2012 By: Theodore M; Mahesh Hosur; Thomas J; Shaik Jeelani Research article

Title: EFFECTS OF FUNCTIONALISATION ON CURING AND DECOMPOSITION BEHAVIOUR OF EPOXY-MWCNT NANOCOMPOSITES
Page Range: p.343-352
Author(s): Theodore M; Mahesh Hosur; Thomas J; Shaik Jeelani
File size: 642K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 20
Issue No: No.4

Abstract
Cure kinetics and decomposition behaviour of a two part epoxy resin system, Epon 862, reinforced with 1 wt.% unmodified, oxidised (MWCNT-COOH) and fluorinated (MWCNT-F) multi-walled carbon nanotubes have been studied through dynamic mechanical analysis (DMA) and thermogravimetric analysis (TGA) at different conversion levels. Functionalised MWCNTs have disturbed the curing/decomposition behaviour, crosslink density, and the interactions between individual phases in the composite systems thus altering cure kinetics parameters like degree of conversion, activation energy, rate of reaction, enthalpy change, percentage conversion, which were determined using Arrhenius theory. 29 Refs.


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