✦ LIBER ✦

Conductive IPN based on polyaniline and silicon-crosslinked styrene-isoprene-styrene triblock copolymer

✍ Scribed by Gan, L H; Gan, Y Y; Yin, W S

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 246 KB
Volume: 48
Category: Article
ISSN: 0959-8103
DOI: 10.1002/(sici)1097-0126(199911)48:11<1160::aid-pi281>3.0.co;2-4

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✦ Synopsis

A series of new conducting interpenetrating polymer networks (IPNs) are prepared by sequential crosslinking reactions of tetraethyl orthosilicate with silicon-grafted functional styreneisoprene-styrene triblock copolymer (SIS) and polyaniline (PANI) doped with dodecylbenzenesulfonic acid (DBSA). The various factors affecting the properties of conductive IPNs are investigated. The conductivity is found to increase only slightly after the IPN ®lms are treated at 140 °C. The thermal stability of the IPNs is much better than that of the pure polymer under nitrogen atmosphere, as shown by the results from thermal gravimetry analysis (TGA).

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