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Mitsui石油化工公司和Ube兴产公司1995年10月开始在日本销售金属茂催化剂生产的一型低密度聚乙烯(LLDPE)。上项金属茂催化剂工艺系是由Mitsui与Exxon化学公司合作开发的。
Mitsui Petrochemical Company and Ube Kogyo Co., Ltd. began sales of a type of low-density polyethylene (LLDPE) made from metallocene catalysts in Japan in October 1995. The above metallocene catalyst process system was developed by Mitsui in cooperation with Exxon Chemical.