METHOD FOR MANUFACTURING AN OLEFIN POLYMER,申请号JP20130049095-传众专利搜索

METHOD FOR MANUFACTURING AN OLEFIN POLYMER

申请公布号：JP2014173054(A)

申请号：JP20130049095

申请日期：2013.03.12

申请公布日期：2014.09.22

申请人：

MITSUI CHEMICALS INC;PRIME POLYMER CO LTD

发明人：HARADA YASUYUKI;SATO YASUO;MUROTO TOSHIHIRO;KANEKO HIDEYUKI

分类号：C08F4/6592;C08F210/02

主分类号：C08F4/6592

摘要：PROBLEM TO BE SOLVED: To provide a method for manufacturing an olefin polymer capable of controlling the polymer composition and excellent in terms of molding workability and mechanical strengths.SOLUTION: The provided method for manufacturing an olefin polymer satisfies the following requisites (1) and (2) simultaneously: (1) the weight ratio [W] through [W] (n is an integer of at least 2) of two or more types of solid catalysts (W) through (W) (n is an integer of at least 2) fed into the polymerization system is 0.05 or above and 0.95 or below (the sum of [W] through [W] is assumed to be 1.0); (2) the solid catalysts (X) through (X) are obtained by contacting at least two types of transition metal complexes (A) and (B) with solid carriers, and in a case where the respective solid catalysts (X) through (X) are used alone, the ratio of the maximal value [MFRα] and minimal value [MFR&bgr;] of the melt flow rate (MFR: 190°C, load: 2.16 kg) of a polymer obtained as a result of olefin polymerization under polymerization conditions identical to the polymerization conditions specific to the requisite (1) satisfies the following relational formula: 1<[MFRα]/[MFR&bgr;]<1000.