화학공학소재연구정보센터
Journal of the Korean Industrial and Engineering Chemistry, Vol.7, No.6, 1061-1068, December, 1996
전도성 고분자 복합체 제조를 위한 신합성 연구(II):중합변수에 따른 전도성 고분자 복합체의 전도도 변화
Process for the Preparation of Conducting Polymer Composites (Ⅱ) The Effect of Polymerization Parameters on Conductivity
초록
본 연구는 다공성 입자에 전도성 단량체를 침투시켜서 전도성 고분자 복합체를 제조하는 연구로 다단계 seed 중합법을 이용하여 입자를 제조하고, 용매추출법으로 선형 고분자를 제거하는 방법으로 specific pore volume 및 specific surface area가 각기 다른 다공성 입자를 제조하였고, 이 다공성 입자를 모체 고분자로 하여 도핑제를 산화용액에 녹여 흡수시키고 건조한 뒤 전도성 단량체를 유기용매에 녹여 다공성 입자에 침투시킨 후 중합하여 전도성 복합체를 제조 하였다. 이때, 모체 고분자에 침투되는 전도성 단량체의 농도 및 유기용매와 산화제의 산화용매 등을 중합 변수로하여 이 변수들과 전도도와의 상관 관계를 살펴보았다.
The conducting polymer composites were prepared by imbibing the porous particle wish the FeC13 oxidant solution, drying the imbibed porous particle, and imbibing again with pyrrole solution for polymerization to take place in the pore of porous particles. The effect of synthesis conditions on the conductivity of composite polymers were investigated. It was found that the conductivity of composite polymers was dependant on the concentration of pyrrole monomer, nature of the oxidants and solvents used for the oxidant and pyrrole, which influence the degree of penetration/distribution of polyprrole in the composite and reaction of dopant with pyrrole.
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