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전도성 Nylon 6/PVA/Poly(p-phenylene) 복합체의 제조 및 전기적 성질
장영민,호요승 한국섬유공학회 1990 한국섬유공학회지 Vol.27 No.12
The electrically conducting nylon 6/poly(vinylalcohol) (PVA)/poly(p- pheylene)(PPP) composite films were synthesized by exposinig nylon 6/PVA blend films containing ferric chloride as an oxidant to benzene vapour and their electrical conductivity and morpholoy were studied. After benzene was polymerized in nylon 6/PVA blend films for 72 hours, the composite films showed the conductivity as high as 10-5 -10-2 s/cm and it increased with increasing the concentration of the oxidant, the content of PVA and polymerization time. The formation of PPP in nylon 6/PVA blend film was confirmed by FT- lR spectra and scanning electron micrographs. The X- ray diffraction curve of composite film showed that the structure of PPP in nylon 6/PVA blend film was amorphous.
전도성 Poly(carbonate)/Poly (pyrrole) 복합체의 전기적 및 열적성질의 안정성
박연흠,호요승,김영일 成均館大學校 科學技術硏究所 1994 論文集 Vol.45 No.2
Electrically conducting Poly(carbonate)(PC)/Poly(pyrrole)(PPy) composite films were synthesized by exposing PC films containing ferric chloride as an oxidant to pyrrole vapour under various polymerization conditions. After pyrrole was polymerized for two hours in PC matrix, the composite films showed the conductivity as high as 10^-4∼10^-3 S/cm and it increased with incresing the concentration of the oxidant, and polymerization time. The rate constant of the degradation of electrical conductivity for PC/PPy composite film containing 30 wt % of FeCl_3 has suggested that the conductivity loss of one order of magnitude takes about 320 hours, and the degradation of the electrical conductivity was found to obey first -order reaction kinetics and may involve the reaction of the delocalized carbenium ion along the PPy backbone with oxygen or water. From the result of thermogravimetric analysis(TGA), we knew that the composite film was thermally stable up to 320℃.