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Copolymer of CO2 and alpha-olefin and its preparing process

A technology of olefin copolymer and carbon dioxide, which is applied in the field of carbon dioxide and alpha-olefin copolymer and its preparation, can solve the problem that the copolymerization has not yet been reported, etc.

Inactive Publication Date: 2002-02-06
RES INST OF BEIJING YANSHAN PETROCHEM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a resource-rich raw material in nature, carbon dioxide can be copolymerized with ethylene oxide, diamines and cyclic ethers according to literature reports, but it has not been reported for copolymerization with olefins, such as ethylene and propylene.
[0003] Since Brookhart first reported post-transition metal catalysts in 1985, post-transition metal catalysts have been mainly used to prepare olefin homopolymerization or copolymerization such as WO9912981, WO2000032641, WO2000024788, but have not been reported for the copolymerization of ethylene and carbon dioxide

Method used

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  • Copolymer of CO2 and alpha-olefin and its preparing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] Dissolve 19.6 mg of 2,6-bis[1-(2,6-dimethylbenzimine)ethyl]pyridine ferric dichloride in 80 ml of freshly distilled toluene to form a catalyst solution of 0.5 μmol Fe / ml.

[0092] A reactor with a stirring device was heated, vacuumed, N 2 After the replacement, 100 ml of freshly distilled toluene, 6 ml of catalyst solution, 4 ml of MAO (commercially available, product of Aldrich Company) were added successively, and C 2 h 4 and CO 2 Mixed gas with a partial pressure ratio of 5:1, 1.05×10 5 Reaction under Pa for 1h. After the reaction, add 10ml of 0.1% (mole ratio) hydrochloric acid to acidify ethanol to terminate the reaction, then wash the product obtained with hexane, and then dry it in vacuum at 60°C for 6-8 hours; the final product is characterized by infrared analysis at 1740cm-1 , 1710cm -1 , 1300~1000cm -1 , 847cm -1 Phases appear on both left and right Characteristic peaks of functional groups. Catalyst activity and polymer product properties are shown ...

Embodiment 2

[0094] Except that the late transition metal catalyst is 2,6-bis[1-(2,6-diisopropylphenylimine)ethyl]pyridine ferric dichloride, other conditions are the same as in Example 1. The product is characterized by infrared analysis at 1740cm -1 , 1710cm -1 , 1300~1000cm -1 , 847cm -1 Corresponding to both left and right Characteristic peaks of functional groups. Catalyst activity and polymer product properties are shown in Table 1.

Embodiment 3

[0096] In addition to the reaction pressure of 7.1×10 5 Except Pa, all the other conditions are with embodiment 1. The product is characterized by infrared analysis at 1740cm -1 , 1710cm -1 , 1300~1000cm -1 , 847cm -1 Corresponding to both left and right Characteristic peaks of functional groups. Catalyst activity and polymer product properties are shown in Table 1.

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Abstract

A copolymer of CO2 and alpha-olefine and its preparing process is disclosed. Said preparing process of said copolymer containing polar hydroxy functional group featurs simple process, high efficiency and low cost. Said copolymer has wide application range, such as paint and dye.

Description

technical field [0001] The present invention relates to carbon dioxide and α-olefin copolymer and its preparation method. Background technique [0002] Polyethylene has been one of the largest and most commonly used resins at home and abroad. With the enhancement of environmental protection awareness and the application requirements of some special application fields such as coatings and dyeing, the market calls for the emergence of polyethylene resins containing polar functional groups. As a resource-rich raw material in nature, carbon dioxide can be copolymerized with ethylene oxide, diamines and cyclic ethers according to literature reports, but it has not been reported for copolymerization with olefins, such as ethylene and propylene. [0003] Since Brookhart first reported late-transition metal catalysts in 1985, late-transition metal catalysts have been mainly used to prepare olefin homopolymerization or copolymerization such as WO9912981, WO2000032641, WO2000024788, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F4/70C08G67/00C08G67/02
Inventor 邹丰楼李杨邹晓天钱长涛陈瑞芳宋玉春
Owner RES INST OF BEIJING YANSHAN PETROCHEM