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Alkaline amino conjugated microporous polymer modified by eutectic solvent and preparation method of alkaline amino conjugated microporous polymer

A technology of deep eutectic solvent and conjugated micropores, which is applied in the field of basic amino conjugated microporous polymers and its preparation, can solve the problem of single CMP materials, achieve the effect of increasing element types and improving application value

Active Publication Date: 2022-04-19
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a basic amino-conjugated microporous polymer modified by a deep eutectic solvent and its preparation method to solve the problem that the CMP material in the prior art is relatively single and has less application in adsorption and extraction

Method used

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  • Alkaline amino conjugated microporous polymer modified by eutectic solvent and preparation method of alkaline amino conjugated microporous polymer
  • Alkaline amino conjugated microporous polymer modified by eutectic solvent and preparation method of alkaline amino conjugated microporous polymer
  • Alkaline amino conjugated microporous polymer modified by eutectic solvent and preparation method of alkaline amino conjugated microporous polymer

Examples

Experimental program
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Embodiment 1

[0035] NH 2 -CMP preparation steps: take 1,3,5-triethynylbenzene (189.22 mg), 2,4,6-tribromophenol (415.56 mg), tetrakis(triphenylphosphine) palladium (100.45 mg), iodide Copper (20.00 mg) was placed in a 25.00 mL three-neck round bottom flask, then 4.00 mL DMF and 4.00 mL DIPA were added, and argon gas was circulated after the air was excluded. The mixture was stirred in an oil bath at 80°C for about 24 h. After the reaction, the solid-liquid mixture was suction-filtered, and the upper layer solid was taken, and then filtered and washed with dichloromethane and methanol solvents for several times to remove unreacted monomers and catalysts. Finally, Soxhlet extraction was performed with methanol for 3 days, and the resulting product was dried at 100 °C for 24 hours until the weight was constant. The resulting product was characterized, and the results are shown in Figure 1-5 shown.

[0036] DESs-NH 2 -CMP preparation steps: a deep eutectic solvent based on alcoholic hydro...

Embodiment 2

[0038] NH 2 -CMP preparation steps are the same as in Example 1.

[0039] The deep eutectic solvent based on phenolic hydroxyl group is prepared by mixing and heating phenol and choline chloride at a molar ratio of 1:2 at 80 °C; DESs (phenol: choline chloride) and NH 2 -CMP molar ratio 10:1 heated at 80 °C for 8 h, filtered, washed, and vacuum dried at 80 °C for 6 h to obtain DESs (phenol:choline chloride)-NH 2 - CMP material. Then do scanning electron microscopy and infrared characterization. The result is as Image 6 with 7 Shown in the figure or curve marked as 2.

Embodiment 3

[0041] NH 2 -CMP preparation steps are the same as in Example 1.

[0042] The amide-based deep eutectic solvent is prepared by mixing and heating urea and choline chloride at a molar ratio of 1:2 at 80 °C; DESs (urea: choline chloride) and NH 2 -CMP molar ratio 10:1 heated at 80 °C for 8 h, filtered, washed, and vacuum dried at 80 °C for 6 h to obtain DESs (urea:choline chloride)-NH 2 - CMP material. Then do scanning electron microscopy and infrared characterization. The result is as Image 6 with 7 Shown in the figure or curve marked with 3.

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Abstract

The invention provides a deep eutectic solvent modified alkaline amino conjugated microporous polymer and a preparation method thereof, the preparation method mainly relates to a Sonogashira-Hagihara cross coupling chemistry catalyzed by tetrakis (triphenylphosphine) palladium and copper iodide, and a conjugated microporous polymer (NH2-CMP) containing an alkaline amino functional group is synthesized; and then the alkaline amino conjugated microporous polymer (DESs-NH2-CMP) modified by the eutectic solvent is synthesized through the modification of the eutectic solvent. The preparation method is simple in process, raw materials are easy to obtain, implementation is easy, and hydrophobicity of the prepared DESs-NH2-CMP is improved. And through the modification of DESs, the NH2-CMP is subjected to multi-element doping. The obtained deep-eutectic solvent modified alkaline amino conjugated microporous polymer has very high application values in the aspects of adsorption, electrochemistry and the like.

Description

technical field [0001] The invention relates to the technical field of preparation of conjugated microporous polymers, in particular to a basic amino conjugated microporous polymer modified by a deep eutectic solvent and a preparation method thereof. Background technique [0002] Microporous materials have attracted much attention due to their ability to interact with atoms, ions, and molecules not only on the surface but also throughout the pores, and have potential applications in the fields of adsorption and separation, environmental protection, and heterogeneous catalysis. Since their discovery in 2007, conjugated microporous polymers (CMPs) have become an important class of microporous materials. CMPs are a unique class of microporous materials consisting only of covalent bonds formed by light elements (carbon, hydrogen, etc.), which combine π-π conjugation with a permanent microporous framework. However, in the prior art, a wide range of synthetic building blocks and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G61/02
CPCC08G61/02C08G2261/12C08G2261/124C08G2261/143C08G2261/18C08G2261/3422Y02C20/40
Inventor 朱涛
Owner HEBEI UNIVERSITY