Mitsui Chemicals, Idemitsu and Sumitomo Chemical to integrate polyolefin businesses in Japan

Mitsui Chemicals, Idemitsu Kosan, and Sumitomo Chemical signed a business integration agreement to combine their polyolefin businesses in Japan. Sumitomo Chemical's PP and LLDPE businesses will be integrated into Prime Polymer, a joint venture of Mitsui and Idemitsu.

“The plan involves combining the PO business of Prime Polymer Co., Ltd., a joint venture between Mitsui Chemicals and Idemitsu Kosan with Sumitomo Chemical’s polypropylene and linear low-density polyethylene businesses.”alpha-plast.com.ua

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• alpha-plast.com.uaMitsui Chemicals, Idemitsu and Sumitomo Chemical integrate PO businesses in Japan -Feb 11, 2026

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