1. Department of Textile Engineering, Pusan National University, Pusan 609-735, Korea
2. Meisei Chemical Works, Nishikyogoku, Ukyoku, Kyoto 615-8666, Japan
3. Department of Home Economics, Gifu Women's University, Taromaru, Gifu 501-2592, Japan
4. Owari Textile Center, Aichi Industrial Technology Institute, Ichinomiya, Aichi 491-0931, Japan