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J. Korean Ceram. Soc. > Volume 39(11); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(11): 1063.
doi: https://doi.org/10.4191/kcers.2002.39.11.1063
졸-겔법을 이용하여 알콕사이드 전구체로부터 합성된 Polyimide-silica 혼성체의 특성
김병우, 이성환, 김성완, 박재현, 김준호1, 박성수1, 박희찬
부산대학교 무기재료공학과
1부경대학교 화학공학부
Characteristics of Polyimide-silica Hybrid Materials Prepared from Alkoxide Precursor Using Sol-gel Process
Byoung-Woo Kim, Sung-Hwan Lee, Sung-Wan Kim, Jae-Hyun Park, Jun-Ho Kim1, Seong-Soo Park1, Hee-Chan Park
Department of Inorganic Materials Engineering, Pusan National University
1Division of Chemical Engineering, Pukyung National University
ABSTRACT
Polyimide/silica(PI/silica) hybrid materials having physical or chemical bonds between the PI and silica network were prepared using sol-gel process through hydrolysis and polycondensation of tetraethoxysilane with the polyamic Acid(PAA) or end-capped PAA solution. PAA solution was synthesized by ring opening reaction of pyromellitic dianhydride and oxydianiline monomers in dimethyl acetamide solution. End-capped PAA solution was synthesized by the addition of 3-aminopropyltriethoxysilane in PAA solution. PI/silica hybrid samples were characterized by infrared spectroscopy, differential thermogravimetry, X-ray diffractometry, scanning electron microscopy, and tensile tester. It has been demonstrated that the properties of hybrid samples were affected by the silica content and the bond type between PI and silica.
Key words: Polyamic acid, Polyimide, Silica, Sol-gel, Hybrid
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