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Title:
ASYMMETRIC (ALPHA-DIIMINE)NICKEL OLEFIN CATALYST, AND PREPARATION METHOD AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/124556
Kind Code:
A1
Abstract:
Disclosed are a large-steric-hindrance asymmetric (alpha-diimine)nickel olefin catalyst based on 1,2-benzoacenaphthenequinone as a skeleton, and a preparation method and an application thereof. The structural formula of the large-steric-hindrance asymmetric (alpha-diimine)nickel olefin catalyst based on 1,2-benzoacenaphthenequinone as the skeleton is as shown in formula (I), wherein R1 is benzhydryl or bis(4-fluorophenyl)methyl; R2 is benzhydryl, bis(4-fluorophenyl)methyl, or methyl; R3 is methyl, ethyl, isopropyl, benzhydryl, bis(4-fluorophenyl)methyl, halogen, trifluoromethyl, or methoxy; R4 is methyl, ethyl, or isopropyl; R5 is methyl, ethyl, or isopropyl; R6 is hydrogen, methyl, ethyl, or isopropyl; and X is chlorine or bromine. The catalyst has a simple preparation process, is capable of catalyzing ethylene polymerization under the action of a cocatalyst, shows good heat stability and polymerization activity, and has a good industrial application prospect.

Inventors:
XU TAO (CN)
FU ZHISHENG (CN)
WU ANYANG (CN)
Application Number:
CN2018/122681
Publication Date:
June 25, 2020
Filing Date:
December 21, 2018
Export Citation:
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Assignee:
HANGZHOU XINGLU TECH CO LTD (CN)
International Classes:
C08F10/00; C07C249/02; C07C251/20; C07F15/04; C08F4/70; C08F110/02
Foreign References:
CN108864335A2018-11-23
CN102060944A2011-05-18
CN102060944A2011-05-18
CN102093425A2011-06-15
CN102093425A2011-06-15
CN102827312A2012-12-19
CN102827312A2012-12-19
Attorney, Agent or Firm:
SHANGHAI ZHI LI PATENT & TRADEMARK AGENCY (GENERAL PARTNERSHIP) (CN)
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