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Synthesis and Characteristics of Organic Soluble Polyaniline by Emulsion Polymerization  

김진열 (한양대학교 화학과)
권시중 (㈜나노이닉스)
한성원 (㈜나노이닉스)
김응렬 (한양대학교 화학과)
Publication Information
Polymer(Korea) / v.27, no.6, 2003 , pp. 549-554 More about this Journal
Abstract
Emeraldine salt of polyaniline-dodecylbenzenesulfdnic acid (PANI-DBSA) in organic solvents such as toluene and xylene was obtained by a direct one-step emulsion polymerization technique. When the molar ratio of DBSA to aniline monomer was 1.5:1, its solubility and electric property showed a maximum value and then the solid contents of PANI-DBSA was 8 wt% in toluene. The cast film of PANI-DBSA with no binder was obtained on glass or plastic substrates under ambient conditions. PANI solution can be also easily blended with polyurethane and polystyrene polymers in toluene. Improved electrical performance up to 5 S/cm was achieved with good light-transmittance up to 70% at 500 m thickness. They also showed more homogeneous morphology than that prepared with PANI-DBSA kom aqueous dispersion polymerization. The partially dispersed PANI-DBSA showed particles sizes of 50-400 m in organic solvents and their XRD pattern were observed from the powder sample.
Keywords
conductive polymer; polyaniline; organic soluble; emulsion polymerization;
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