Chiral self-contained microporous polymer as well as preparation method and application thereof

A microporous polymer, polymer technology, applied in separation methods, chemical instruments and methods, luminescent materials, etc., can solve problems such as no literature reports, and achieve the effects of simple operation, mild conditions, and strong fluorescence characteristics

Active Publication Date: 2021-04-13
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] After searching, there is no literature report on the self-...

Method used

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  • Chiral self-contained microporous polymer as well as preparation method and application thereof
  • Chiral self-contained microporous polymer as well as preparation method and application thereof
  • Chiral self-contained microporous polymer as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1) Preparation of polymer monomers

[0045]

[0046] For the preparation of compound 1, please refer to the preparation of compound 3i in the literature J.Am.Chem.Soc.2018, 140, 10374-10381, with an optical purity of 96% ee.

[0047] The preparation steps of compound 2 are as follows: add 10 mmol of dry powder of compound 1 to a 1L glass flask, and pass through nitrogen protection, add 200 ml of dry dichloromethane, stir to completely dissolve compound 1, and then put the reaction bottle into an ice-water bath to cool to 0°C, add BBr dropwise to the reaction flask 3 Dichloromethane solution (4M, 15ml, 60mmol), the system was gradually warmed to room temperature, and stirred at room temperature for 12 hours, then slowly added 200ml of water to the system to quench the reaction. The liquid was separated by a separatory funnel, and the aqueous phase and some insoluble solids were extracted with a large amount of dichloromethane to separate the phases. The combined dic...

Embodiment 2

[0057] (1) The preparation of the polymer monomer was carried out according to Example 1.

[0058] (2) Preparation of chiral soluble chain self-polymerized microporous polymer:

[0059] Under the protection of nitrogen atmosphere, compound 2 (0.01mol), tetrafluoroterephthalonitrile TFTPN (0.01mol) and dry potassium carbonate particles (0.030mol) were added to a three-necked flask, and N,N-dimethylacetamide was added In a mixed solvent of (DMAc) 18ml and toluene 4ml, stir and react at a constant temperature of 180°C for 4 hours, remove the heating and wait for the system to cool down to room temperature, pour the reaction solution into methanol, and filter with suction to obtain a bright yellow powder precipitate, followed by Wash with methanol and distilled water for 5 times, and dry overnight at 130° C. under vacuum to obtain a yellow fluorescent product polymer powder.

[0060] (3) Preparation of chiral separation membrane, carried out in Example 1.

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Abstract

The invention relates to a chiral self-contained microporous polymer as well as a preparation method and application thereof. The chiral self-contained microporous polymer has a chiral soluble chain-shaped self-polymerized microporous polymer represented by the following formula I or an enantiomer or a diastereoisomer of the polymer; the soluble self-contained microporous polymer film provided by the invention has high selectivity on gases such as carbon dioxide/methane, carbon dioxide/nitrogen, oxygen/nitrogen, carbon dioxide/methane, helium/methane, helium/nitrogen and the like, has the selectivity higher than the selectivity of similar materials in literature, and can meet the requirements of actual separation and application of the gases.

Description

technical field [0001] The invention relates to a chiral self-porous polymer, a preparation method and application thereof, and belongs to the technical field of organic polymer materials. Background technique [0002] Membrane separation technology has the functions of separation, concentration and purification, and has unique advantages such as high efficiency, low energy consumption, simple operation, easy large-scale production and environmental friendliness. It is widely used in chemical, pharmaceutical, food, energy and other fields and has generated huge economic and social benefits. However, traditional membrane separation materials are difficult to be compatible with high permeability and high selectivity, and cannot meet the growing needs of industrial production. Therefore, the development of high permeability and high selectivity membrane materials has always been one of the research hotspots in the field of chemical separation. In 2004, Budd et al. reported a c...

Claims

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Application Information

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IPC IPC(8): C08G67/00C09K11/06B01D53/22B01D67/00B01D71/76
CPCC08G67/00C09K11/06B01D71/76B01D67/0002B01D53/228C09K2211/145
Inventor 王新波马小华韩召斌丁奎玲
Owner SHANDONG UNIV
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