Title:
HETEROAROMATIC RING TRIDENTATE PYRIDINE IMINE IRON COMPLEX, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF IN CATALYSIS OF CONJUGATED DIENE POLYMERIZATION
Document Type and Number:
WIPO Patent Application WO/2022/183467
Kind Code:
A1
Abstract:
A heteroaromatic ring tridentate pyridine imine iron complex, a preparation method therefor, and an application thereof in the catalysis of conjugated diene polymerization. The present invention relates to the field of the catalytic polymerization of conjugated dienes. The present invention solves the technical problem of poor thermal stability of existing bidentate ligands such as pyridine imine or pyridine amine. A ligand of the tridentate pyridine imine iron complex of the present invention is a substituent having a heteroatom aromatic ring, and exhibits high activity and high thermal stability in the polymerization of conjugated dienes, and the selectivity and molecular weight of a polymer do not significantly change along with temperature change. The pyridine imine iron complex of the present invention is obtained by means of a mixed reaction between a pyridine imine ligand modified by a heteroatom aromatic ring and anhydrous FeCl32. The iron catalytic system of the present invention is a heteroaromatic ring tridentate pyridine imine iron complex having a clear molecular structure, is simple and easy to prepare, has low costs, and has a wide industrial application prospect.
Inventors:
WANG QINGGANG (CN)
LIANG HONGWEN (CN)
WANG LIANG (CN)
WANG XU (CN)
ZHANG YONGQIANG (CN)
CHEN YIJIAO (CN)
ZHOU LI (CN)
ZHANG JUNHUA (CN)
LIANG HONGWEN (CN)
WANG LIANG (CN)
WANG XU (CN)
ZHANG YONGQIANG (CN)
CHEN YIJIAO (CN)
ZHOU LI (CN)
ZHANG JUNHUA (CN)
Application Number:
PCT/CN2021/079240
Publication Date:
September 09, 2022
Filing Date:
March 05, 2021
Export Citation:
Assignee:
QINGDAO INST BIOENERGY & BIOPROCESS TECH CAS (CN)
CHINA PETROLEUM & CHEM CORP (CN)
SINOPEC BALING PETROCHEMICAL CO LTD (CN)
CHINA PETROLEUM & CHEM CORP (CN)
SINOPEC BALING PETROCHEMICAL CO LTD (CN)
International Classes:
C07F15/02; C08F4/70; C08F136/08
Foreign References:
| CN112707937A | 2021-04-27 | |||
| CN108659055A | 2018-10-16 | |||
| CN111303214A | 2020-06-19 | |||
| CN109851700A | 2019-06-07 | |||
| CN108658850A | 2018-10-16 | |||
| CN1765942A | 2006-05-03 | |||
| CN108586641A | 2018-09-28 |
Attorney, Agent or Firm:
HARBIN SHINEIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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