Title:
METHOD FOR PRODUCING PROPYLENE/α-OLEFIN COPOLYMER
Document Type and Number:
Japanese Patent JP2019172945
Kind Code:
A
Abstract:
To provide a method for producing a propylene copolymer with a high molecular weight without depending on improvement of transition metal compounds used for polymerization catalysts.SOLUTION: A method for producing a propylene/α-olefin copolymer has a polymerization step of polymerizing propylene and α-olefin (excluding propylene) in the presence of a catalyst for olefin polymerization containing a predetermined transition metal compound (A), and a carrier (B) comprising a predetermined solid polyaluminoxane composition carrying the transition metal compound (A).SELECTED DRAWING: None
Inventors:
YAMADA WATARU
TAKEDA KOJI
TSURUKI YOSHIMI
TAKEDA KOJI
TSURUKI YOSHIMI
Application Number:
JP2018100681A
Publication Date:
October 10, 2019
Filing Date:
May 25, 2018
Export Citation:
Assignee:
MITSUI CHEMICALS INC
International Classes:
C08F4/6592; C08F4/02; C08F10/00; C08G79/10
Domestic Patent References:
| JP2006057010A | 2006-03-02 |
Foreign References:
| WO2014123212A1 | 2014-08-14 | |||
| WO2006025540A1 | 2006-03-09 | |||
| WO2004087775A1 | 2004-10-14 |
Attorney, Agent or Firm:
Patent corporation ssinpat