Mitsui Chemicals to Acquire Asahi Kasei’s Sunvieo TPS Business Nov. 16, 2017 Mitsui Chemicals Inc. (TYO:4183) announced on Nov. 13 that it will acquire Asahi Kasei Corp.’s (TYO:3407) Sunvieo thermoplastic styrene elastomer…... Please subscribe to read the full story. Subscribe Free Trial