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Porous polymer adsorption material containing triazine ring and azo bond functional groups, and porous polymer catalysis material, and preparation methods and applications thereof

A porous polymer and adsorption material technology, applied in the field of adsorption materials and catalytic materials, can solve the problems of toxic and side effects compounds, unfavorable industrial production promotion, and many side reactions, so as to improve affinity, load stability, and cheap raw materials Effect

Inactive Publication Date: 2018-04-20
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the POP materials that have been reported so far are prepared in organic solvent systems, which have many side reactions and are prone to toxic side effects, which is not conducive to industrial production and promotion.

Method used

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  • Porous polymer adsorption material containing triazine ring and azo bond functional groups, and porous polymer catalysis material, and preparation methods and applications thereof
  • Porous polymer adsorption material containing triazine ring and azo bond functional groups, and porous polymer catalysis material, and preparation methods and applications thereof
  • Porous polymer adsorption material containing triazine ring and azo bond functional groups, and porous polymer catalysis material, and preparation methods and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Step (1): Preparation of Porous Polymer Adsorbent Material Containing Triazine Ring and Azo Bond Functional Group

[0052] Weigh 0.35g of 2,4,6-tris(4-aminophenyl)-1,3,5-triazine into 60mL of deionized water, add 0.7mL of concentrated hydrochloric acid, and continue stirring for 15min under ice bath conditions to obtain dilute For a clear yellow solution, add 30mL aqueous solution containing 0.2g sodium nitrite dropwise, the solution turns brownish black, continue to stir for 25min, then adjust the pH of the solution to neutral with sodium carbonate solution, add 30mL containing 0.12g phlorotriphenol dropwise and 0.3g of sodium carbonate aqueous solution, the whole process was kept in ice bath, then kept stirring at room temperature for 24h, filtered to obtain the crude product, washed successively with tetrahydrofuran, dichloromethane, methanol to obtain the crude product, after vacuum drying to obtain the three-containing Porous polymer adsorption materials with funct...

Embodiment 2

[0059] Step (1): Preparation of Porous Polymer Adsorbent Material Containing Triazine Ring and Azo Bond Functional Group

[0060] Weigh 0.35g of 2,4,6-tris(4-aminophenyl)-1,3,5-triazine into 60mL of deionized water, add 0.7mL of concentrated hydrochloric acid, and continue stirring for 15min under ice bath conditions to obtain dilute For a clear yellow solution, add 30mL aqueous solution containing 0.2g sodium nitrite dropwise, the solution turns brownish black, continue stirring for 25min, then adjust the pH of the solution to neutral with sodium carbonate solution, add 30mL containing 0.16g p-diphenol dropwise and 0.3g of sodium carbonate aqueous solution, the whole process was kept in ice bath, then kept stirring at room temperature for 24h, filtered to obtain the crude product, washed successively with tetrahydrofuran, dichloromethane, methanol to obtain the crude product, after vacuum drying to obtain the three-containing Porous polymer adsorption materials with functiona...

Embodiment 3

[0066] Step (1): the recovery of embodiment 1 catalyst

[0067] The reaction liquid in step (3) of Example 1 was filtered, and the obtained solid was washed with absolute ethanol (4×40 ml) until the filtrate was colorless, and dried in a vacuum oven at 50° C. for 24 h.

[0068]Step (2): Catalyzing carbon dioxide and propylene oxide with the catalyst that reclaims to generate propylene carbonate

[0069] Take by weighing 0.6g propylene oxide, 225mgTBAB, the porous polymer catalytic material containing triazine ring and azo bond functional group reclaimed in the 20mg step (1) in the reactor liner, after mixing, pass into carbon dioxide gas, then Seal the reactor and react at 100°C and 150r / min for 1 hour. After the reaction, cool the reactor to room temperature, open the reactor, and add 1g of 1,1',2,2'-tetrachloro Methane was used as an internal standard, and then the reaction yield was calculated by testing 1H NMR spectrum.

[0070] Step (3): the catalyst after the reaction ...

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Abstract

The invention discloses a porous polymer adsorption material containing triazine ring and azo bond functional groups, and a porous polymer catalysis material, and preparation methods and applicationsthereof. 2,4,6-tris(4'-aminophenyl)-1,3,5-triazine and diphenol and / or trisphenol, which are used as raw materials, undergo diazo coupling polymerization cross-linking to obtain the porous polymer adsorption material. The porous polymer adsorption material has the charateristics of high specific surface area, high nitrogen element content, high micro-pore proportion, good affinity to carbon dioxide and good adsorption performance, and a metal ion supported porous polymer adsorption material obtained after loading metal ions on the porous polymer adsorption material has the advantages of mild reaction conditions, short reaction time, realization of the yield reaching 95% or above, and no obvious reduction of the yield using the recycled catalyst when used to catalyze a reaction of carbon dioxide and epoxypropane for generating propylene carbonate, and is expected to be used in actual industrial production.

Description

technical field [0001] The invention relates to an adsorption material and a catalytic material, in particular to a porous polymer adsorption material containing a triazine ring and an azo bond functional group, a porous polymer catalytic material, a preparation method thereof, a porous polymer adsorption material and a porous polymerization The application of biocatalytic materials in carbon dioxide capture and conversion belongs to the technical field of functional polymer materials. Background technique [0002] With the development of industrial society, the carbon dioxide gas released from the combustion of fossil fuels has caused a serious greenhouse effect and has become a major problem that threatens the survival and development of human beings. But in fact, if carbon dioxide can be rationally utilized, it can also be a basic chemical raw material, used as a carbon source to prepare common industrial products such as methanol, formic acid and propylene carbonate, so ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/28B01J20/26B01D53/02C08G73/06
CPCB01D53/02B01D2257/504B01J20/264B01J20/28057B01J20/28061B01J20/2808C08G73/0638C08G73/065Y02P20/151Y02P20/584Y02C20/40
Inventor 刘又年侯佳楠唐飞鹰
Owner CENT SOUTH UNIV
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