Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/1490
Title: Percolated conductive polyaniline-clay nanocomposite in polyvinyl chloride through the combined approach porous template and self-assembly
Authors: Sudha, J D
Sivakala, S
Chandrakanth, C K
Neethu, K S
Rohini, K N
Ramakrishnan, R
Keywords: Nanocomposites
Admicellar emulsion polymerization
Conducting polymers
Issue Date: 2014
Publisher: Budapest University of Technology and Economics
Citation: eXPRESS Polymer Letters 8(2):107-115;Feb 2014
Abstract: In this paper, we are reporting a novel strategy for the preparation of conductive polyaniline-clay nanocomposite in Polyvinylchloride (PVC) matrix by admicellar emulsion polymerization using a low cost renewable resource based surfactant cum dopant. The highly oriented percolated network of polyaniline-clay nanocomposite in PVC matrix was revealed from the studies made by scanning electron microscopy (SEM) and atomic force microscopy (AFM). Fourier transform infrared spectroscopy (FTIR) results suggested that porous template was formed by the noncovalent interactions among the hydroxyl groups present in the nanoclay edges and the chloride ions present in PVC matrix. Here, the bio-based surfactant, 4-hydroxy-2-pentadecyl benzene-1-sulphonic acid (PDPSA) performed multiple roles of dopant, emulsifier and soft template during the polymerization of anilinium(+)PDPSA(-) (An(+)PDPSA(-)) in PVC-clay matrix. The prepared composite exhibited electrical conductivity (sigma(dc)) of 4.8 center dot 10(-2) S/cm and electromagnetic interference shielding efficiency (EMI SE) of 55.2 dB suggesting it as a prospectable candidate for the encapsulation of electronic devices in high technological applications.
URI: http://ir.niist.res.in:8080/jspui/handle/123456789/1490
ISSN: 1788-618X
Appears in Collections:2014

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