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http://dx.doi.org/10.4313/JKEM.2002.15.2.153

Polyaniline Prepared by One-step Emulsion Polymerization and Its Conducting Blends  

이보현 (고려대학교 재료공학과)
김태영 (고려대학교 재료공학과)
김종은 (고려대학교 재료공학과)
서광석 (고려대학교 재료공학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.15, no.2, 2002 , pp. 153-161 More about this Journal
Abstract
Stable polyaniline-dodecylbenzenesulfonic acid(PANI-DBSA) fully dissolved in toluene was obtained by a direct one-step emulsion polymerization technique. By using the proper molar ratio of APS/aniline monomer and DBSA/aniline monomer, the highest conductivity(7 S/cm) of PANI was obtained. The UV-Vis absorption spectrum of PANI confirmed PANI is emeraldine salt form. PANI/styrene polymers (polystyrene and styrene-butadiene copolymer) blends were prepared by mixing PANI solution with polymers in toluene. These blends exhibited the conductivity of 10$\^$-4/-10$\^$-3/ S/cm at 1 wt. % of PANI content. The mechanical property of conducting blend was decreased and TGA thermograms of conducting blends were similar to that of PANI. It had been checked that the flatness of coating layers of conducting blends decreased with increasing conducting components. It was also found that the morphology of blends was setting closer to that of PANI at higher conducting component contents.
Keywords
Polyaniline; Emulsion polymerization; Blend; Conductivity;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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