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Conducting polystyrene/polyaniline blend through template-assisted emulsion polymerization

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dc.contributor.author Sudha, J D
dc.contributor.author Sivakala, S
dc.date.accessioned 2014-01-21T10:30:59Z
dc.date.available 2014-01-21T10:30:59Z
dc.date.issued 2009
dc.identifier.citation Colloid and Polymer Science 287(11):1347-1354;Nov 2009 en_US
dc.identifier.issn 0303-402X
dc.identifier.uri http://ir.niist.res.in:8080/jspui/handle/123456789/1091
dc.description.abstract Electrically conducting polystyrene (PS)/polyaniline blends have been prepared through a one-step "anilinium-surfactant template"-assisted emulsion polymerization at room temperature. The self-assembled cylindrical An(+)PDPSA(-) micelle formed inside the PS matrix can act as a structure directing template cum dopant. Morphological observation under scanning electron microscopic studies revealed that during the progress of polymerization, the initially formed nanostructured conducting polyaniline was changed into cubic/hexagonal/lamellar particles and finally transformed into a percolated structure inside the PS matrix. Blend was further characterized by UV-Vis spectroscopy, FTIR spectroscopy, X-ray diffraction, electrical conductivity, thermal stability, dielectric property, rheological property, and electromagnetic shielding efficiency. The key finding of this work is that the conductive blend prepared through micelle-guided polymerization exhibited superior electrical conductivity (9.6 S/m) with low percolation threshold concentration (5 wt%), excellent thermal stability, electromagnetic interference (EMI) SE of 1-10 dB which makes it a promising candidate for EMI shielding and antistatic discharge matrix for the encapsulation of microelectronic devices. en_US
dc.language.iso en en_US
dc.publisher Springer en_US
dc.subject Amphiphilic dopant en_US
dc.subject Rheological property en_US
dc.subject Self-assembling en_US
dc.subject Composites en_US
dc.subject Emulsion polymerization en_US
dc.subject Surfactant en_US
dc.subject Polyaniline en_US
dc.title Conducting polystyrene/polyaniline blend through template-assisted emulsion polymerization en_US
dc.type Article en_US

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