Affiliation: | (1) Planning & Control Department, Mizushima Works, Asahi Kasei Chemicals Corporation, Ushio-Dori, Kurashiki-shi, Okayama 712-8633, Japan;(2) Chemical Technology Laboratory, Asahi Kasei Chemicals Corporation Shionasu, Kojima, Kurashiki-shi, Okayama 711-8510, Japan |