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http://dx.doi.org/10.4191/KCERS.2002.39.11.1063

Characteristics of Polyimide-silica Hybrid Materials Prepared from Alkoxide Precursor Using Sol-gel Process  

Kim, Byoung-Woo (Department of Inorganic Materials Engineering, Pusan National University)
Lee, Sung-Hwan (Department of Inorganic Materials Engineering, Pusan National University)
Kim, Sung-Wan (Department of Inorganic Materials Engineering, Pusan National University)
Park, Jae-Hyun (Department of Inorganic Materials Engineering, Pusan National University)
Kim, Jun-Ho (Division of Chemical Engineering, Pukyung National University)
Park, Seong-Soo (Division of Chemical Engineering, Pukyung National University)
Park, Hee-Chan (Department of Inorganic Materials Engineering, Pusan National University)
Publication Information
Journal of the Korean Ceramic Society / v.39, no.11, 2002 , pp. 1063-1068 More about this Journal
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.
Keywords
Polyamic acid; Polyimide; Silica; Sol-gel; Hybrid;
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