Synthesis of photosensitive polymer. Synthesis and characterization of liquid crystallinw polymers. Synthesis and properties of functional polyquinolines

1961~1967 Lecturer, Chemical Engineering, Seoul National University
1967~1973 Full-time Lecturer, Chemical Engineering, Seoul National University
1970~1972 Reseaecher, Tokyo Institute of Technology, Japan
1973~1977 Assistant Professor, Textile Engineering, Seoul National University
1976~1978 Financial Director, The Polymer Society of Korea
1977~1982 Associate Professor, Textile Engineering, Seoul National University
1978~1980 Head, Textile Engineering, Seoul National University
1980~1982 Trustee, Korean Fiber Society
1981~1982 Executive Director, The Polymer Society of Korea
1982~ Professor, Fiber and Polymer Science, Seoul National University
1983~1984 Director, The Polymer Society of Korea
1985~1986 Editorial Director, The Polymer Society of Korea
1988~1999 Head Textile Engineering, Seoul National University
1989~1990 Vice president. The Polymer Society of Korea
1991~1995 President, Institute of Environmental Science and Engineering, Seoul National University
1992 President, The Polymer Society of Korea