Title:
FLUORINE-CONTAINING α-DIIMINE NICKEL COMPLEXES FOR PREPARING POLYOLEFIN ELASTOMER AND INTERMEDIATES, AND PREPARATION METHOD AND USE
Document Type and Number:
WIPO Patent Application WO/2021/082278
Kind Code:
A1
Abstract:
Disclosed are a class of fluorine-containing α-diimine nickel complexes for preparing a polyolefin elastomer and intermediates thereof. The class of complexes have a single catalytic active center, the molecular weight of a polymer can be regulated and controlled by changing a ligand structure and the polymerization conditions, and the complexes have advantages including a high catalytic activity, a low cost and a stable performance. Also provided are methods for preparing an asymmetric α-diimine nickel complex containing a difluoro group and an intermediate thereof. The two preparation methods have advantages such as mild reaction conditions, short periods, and simple operation conditions. Also provided are the uses of a metal nickel complex and a catalyst system thereof for catalyzing ethylene polymerization, wherein the metal nickel complex and the catalyst system thereof exhibit a very good catalytic activity, and a polyethylene elastomer material with a narrow molecular weight distribution is thus obtained. The obtained polyethylene elastomer material has a high degree of branching, and also has a good tensile strength, elongation at break and elastic resilience. The obtained polyethylene elastomer material is a thermoplastic elastomer material and has excellent industrial application potential.
Inventors:
SUN WENHUA (CN)
VIGNESH ARUMUGAM (CN)
ZHANG QIUYUE (CN)
MA YANPING (CN)
VIGNESH ARUMUGAM (CN)
ZHANG QIUYUE (CN)
MA YANPING (CN)
Application Number:
PCT/CN2020/000262
Publication Date:
May 06, 2021
Filing Date:
October 29, 2020
Export Citation:
Assignee:
XLINK TECH CO LTD HANGZHOU (CN)
International Classes:
C07F15/04; C07C209/74; C07C211/52; C07C249/02; C07C251/20; C08F4/70; C08F10/00; C08F110/02
Foreign References:
| CN104387424A | 2015-03-04 | |||
| CN109942638A | 2019-06-28 | |||
| CN109053818A | 2018-12-21 | |||
| CN106632506A | 2017-05-10 | |||
| CN108794544A | 2018-11-13 |
Other References:
FAN LINLIN, DU SHIZHEN, GUO CUN-YUE, HAO XIANG, SUN WEN-HUA: "1-(2,6-dibenzhydryl-4-fluorophenylimino)-2-aryliminoacenaphthylylnickel halides highly polymerizing ethylene for the polyethylenes with high branches and molecular weights", JOURNAL OF POLYMER SCIENCE PART A: POLYMER CHEMISTRY, JOHN WILEY & SONS, INC., US, vol. 53, no. 11, 1 June 2015 (2015-06-01), US, pages 1369 - 1378, XP055809251, ISSN: 0887-624X, DOI: 10.1002/pola.27572
Attorney, Agent or Firm:
PANTERRAIN IP ATTORNEYS (CN)
Download PDF: