Method of one-pot cascade catalytic copolymerization of ethylene and 1,2-disubstituted polar isomerised olefin and product of the method

A disubstituted, internal olefin technology, applied in chemical instruments and methods, catalysts, hydrocarbons, etc., to achieve the effect of reducing synthesis cost, narrow molecular weight distribution, and high melting point

Active Publication Date: 2020-03-31
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regrettably, so far, there is no report in the art on the preparation of functionalized polar copolymers by serial catalytic copolymerization of ethylene monomers with 1,2-disubstituted polar internal olefin monomers such as the above

Method used

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  • Method of one-pot cascade catalytic copolymerization of ethylene and 1,2-disubstituted polar isomerised olefin and product of the method
  • Method of one-pot cascade catalytic copolymerization of ethylene and 1,2-disubstituted polar isomerised olefin and product of the method
  • Method of one-pot cascade catalytic copolymerization of ethylene and 1,2-disubstituted polar isomerised olefin and product of the method

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Embodiment 1-16

[0069] In the glove box, under a nitrogen atmosphere, 4.5 mmol of the comonomers shown in Table 1 below (i.e. the 1,2-disubstituted polar internal olefin monomer of the present invention) and Optional toluene solvent and its amount (according to the solution concentration of the comonomer in the solvent is 1.5mmol / mL to obtain), and in the reactor, add the catalyst Ru-1 or Ru-2 of 10 μmmol shown in table 1 and 20 μmmol of catalyst PO-Pd or PO-Pd* (the catalyst is preferably dissolved in 0.5 mL of dichloromethane and then injected into the reaction kettle). Then, connect the ethylene gas source pipeline to feed ethylene gas into the reactor, and adjust the ethylene pressure to the reaction pressure specified in Table 1 below. Under magnetic stirring, the reactor was heated to 30°C by heating in a water bath and kept 1h to allow 1,2-disubstituted polar internal olefin monomer to undergo ethenolysis reaction, thereby producing the corresponding ethenolysis monomer product. Next,...

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Abstract

The invention provides a method of one-pot cascade catalytic copolymerization of ethylene and 1,2-disubstituted polar isomerised olefin monomer represented as the formula (I) and a product of the method. The method includes: performing an ethylene decomposition reaction on a 1,2-disubstituted polar isomerised olefin monomer and an ethylene monomer in the presence of a ruthenium catalyst Ru-1 or Ru-2 at 20-50 DEG C to form an ethylene decomposition monomer product; then performing a copolymerization reaction on the ethylene decomposition monomer product and the ethylene monomer in the presenceof a palladium phosphinosulfonate catalyst PO-Pd or PO-Pd* at 70-90 DEG C, wherein the R1 and R2 in the formula (I) are defined as the specification. By means of the specific Ru and Pa catalysts, a novel process of the cascade copolymerization of the 1,2-disubstituted polar isomerised olefin monomer, capable of being derived from biomass, and the ethylene monomer under a gentle condition, thus obtaining the functionalized polar copolymer having a specific performance. In addition, the invention fills the technical gap of the copolymerization of the 1,2-disubstituted polar isomerised olefin, capable of being derived from biomass, and the ethylene monomer to produce the functionalized polar copolymer.

Description

technical field [0001] The invention belongs to the field of metal-catalyzed synthesis of high-molecular polyolefin materials, and in particular relates to a novel method for one-pot series catalytic polymerization of ethylene monomers and 1,2-disubstituted polar internal olefin monomers and products thereof. Background technique [0002] Since Karl Ziegler and Giulio Natta won the Nobel Prize for their great achievements in olefin coordination polymerization in 1963, the polyolefin industry has experienced rapid development in the past half a century; whether in academia or industry, olefin polymerization The research has been a huge success. At present, polyolefin has become the polymer material with the largest output and widest application among synthetic resins; it accounts for more than half of the global plastic market demand. Polyolefin has excellent comprehensive performance and low price, so it is widely used in pipes, films, packaging, automobiles, electronics, c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F210/02C08F4/42C08F222/14C08F220/68C08F220/14C08F220/16C08F216/36C08F216/20C08F220/28C08F220/30C07C67/333C07C69/54C07C1/213C07C11/02B01J31/24
CPCB01J31/2404B01J2531/821C07C1/213C07C67/333C07C2531/24C08F210/02C08F2500/03C08F4/80C08F222/14C08F220/68C08F220/14C08F220/16C08F216/34C08F216/20C07C69/54C07C11/02Y02P20/52
Inventor 陈昶乐陈敏
Owner UNIV OF SCI & TECH OF CHINA
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