CATALYST COMPOSITION, PREPARING METHOD THEREFOR, METHOD FOR MANUFACTURING CONJUGATED DIENE-BASED POLYMER BY USING SAME, AND CONJUGATED DIENE-BASED POLYMER MANUFACTURED BY SAME POLYMER MANUFACTURING METHOD

Title:

Document Type and Number:

WIPO Patent Application WO/2020/122680

Kind Code:

A1

Abstract:

The present invention relates to: a catalyst composition which can be applied to the polymerization of a conjugated diene-based monomer to form a conjugated diene-based polymer having a narrow range of molecular weight distribution; a preparing method therefor; a method for manufacturing a conjugated diene-based polymer by using same; and a conjugated diene-based polymer manufactured by the polymer manufacturing method. The catalyst composition contains a polymer therein, the polymer having a number average molecular weight of 3,000 g/mol to 10,000 g/mol and bearing a conjugated diene-based monomer-derived unit, and as such can be applied to the polymerization of a conjugated diene-based monomer to manufacture a conjugated diene-based composition having a narrow range of molecular weight distribution compared to a common neodymium catalyst.

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Inventors:

KIM SU HWA (KR)
BAE HYO JIN (KR)
OH KYOUNG HWAN (KR)

Application Number:

PCT/KR2019/017737

Publication Date:

June 18, 2020

Filing Date:

December 13, 2019

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C08F236/04; C08F4/54; C08F8/20

Foreign References:

KR20170075671A	2017-07-03
KR101899637B1	2018-09-17
JP2009013420A	2009-01-22
KR20160064819A	2016-06-08
KR20180065892A	2018-06-18
KR910008275B1	1991-10-12

Other References: