Anion hydrogen bond organic framework material based on carboxylic acid monomer as well as preparation method and application of anion hydrogen bond organic framework material

A technology of organic framework and carboxylic acid monomer, which is applied in the field of anionic hydrogen bond organic framework materials, and can solve problems such as no systematic strategy

Active Publication Date: 2022-04-05
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still no systematic strategy for the preparation of ionic hydrogen-bonded organic frameworks

Method used

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  • Anion hydrogen bond organic framework material based on carboxylic acid monomer as well as preparation method and application of anion hydrogen bond organic framework material
  • Anion hydrogen bond organic framework material based on carboxylic acid monomer as well as preparation method and application of anion hydrogen bond organic framework material
  • Anion hydrogen bond organic framework material based on carboxylic acid monomer as well as preparation method and application of anion hydrogen bond organic framework material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] Example 1 Anionic hydrogen-bonded organic framework material (PFC-33) based on 1,3,6,8-tetra(p-carboxyphenyl)porphyrin and tetrapropylammonium

[0084] Material preparation process: Dissolve 59 mg of 1,3,6,8-tetrakis(p-carboxyphenyl)porphyrin in 0.5 ml of nitrogen, nitrogen-dimethylacetamide, dissolve it by ultrasonication, add 5 ml of methanol, and then Add 70 microliters of 40% by mass fraction of tetrapropylammonium hydroxide aqueous solution, and sonicate for 5 minutes to obtain a clear purple-black solution. Let stand in the open at room temperature for 2 days. With the volatilization of methanol, PFC-33 will gradually precipitate out. After washing and centrifuging with acetone three times, pure PFC-33 can be obtained (this material can still be obtained by expanding the formula by the same amount).

[0085] figure 2 The powder X-ray diffraction spectrum, in which the retention of the diffraction peaks proves that the crystallinity of the sample will not be dama...

Embodiment 2

[0086] Example 2 Preparation of anionic hydrogen-bonded organic framework materials based on 1,3,6,8-tetra(p-carboxyphenyl)porphyrin and tetramethylammonium, tetraethylammonium, tetrabutylammonium, ammonium ion ( PFC-33(TMA),PFC-33(TEA),PFC-33(TBA),PFC-33(NH4)

[0087] PFC-33 (TMA), PFC-33 (TEA), PFC-33 (TBA), the preparation process of PFC-33 (NH4) is identical with embodiment 1, only needs to replace tetrapropyl ammonium hydroxide with following concrete compound .

[0088]

Embodiment 3

[0089] Example 3 is based on 1,3,6,8-tetra(p-carboxyphenyl)porphyrin (Ni), 1,3,6,8-tetra(p-carboxyphenyl)porphyrin (Cu) and tetrapropylammonium Preparation of anionic hydrogen-bonded organic framework materials (PFC-33-Ni, PFC-33-Cu)

[0090] The preparation process of PFC-33-Ni and PFC-33-Cu is the same as that of Example 1, except that 1,3,6,8-tetrakis(p-carboxyphenyl)porphyrin is replaced by the following specific compounds.

[0091]

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Abstract

The invention designs and synthesizes an anion hydrogen bond organic framework material based on a carboxylic acid monomer, the anion hydrogen bond organic framework material is obtained by self-assembling the carboxylic acid monomer and counter ions, and the framework of the material can be electrically neutral or electropositive. The organic framework material disclosed by the invention has the characteristics of high specific surface area, permanent pore channels, water stability, mild synthesis conditions and the like. Moreover, the anion hydrogen-bond organic framework material can also exchange different functional cations into the pore channels of the hydrogen-bond organic framework material through ion exchange, so that the problems that the conventional ionic hydrogen-bond organic framework material is difficult to prepare, the hydrogen-bond organic framework material is difficult to synthesize and modify and the like are solved. The preparation method of the material is simple, and the self-supporting flexible film can be prepared by modifying olefin after synthesis and copolymerizing with a macromolecular monomer. The anion hydrogen bond organic framework material is formed by self-assembling a photosensitive porphyrin monomer and quaternary ammonium ions with chemical bacteriostatic activity, and the chemical and photodynamic synergistic bacteriostatic effect is achieved.

Description

technical field [0001] The invention belongs to the field of porous organic materials, and in particular relates to an anionic hydrogen-bonded organic framework material obtained through hydrogen bonding after deprotonation of carboxylic acid monomers, a preparation method and application thereof. Background technique [0002] Hydrogen-bonded organic frameworks (HOFs for short) are organic porous materials that self-assemble from small organic monomers through supramolecular forces such as hydrogen bonds. Because of their unique properties such as permanent pores, easy preparation, and regeneration, HOFs have great application prospects in the fields of gas storage and separation, pollutant separation, catalysis, and sensing. However, it is difficult to tune the properties of the pores through functional group modification due to the poor stability of hydrogen-bonded materials. Up to now, the post-synthetic modification of hydrogen-bonded organic frameworks remains a challe...

Claims

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Application Information

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IPC IPC(8): C08G83/00A01N37/10A01N43/66A01N37/44A01N43/90A01N43/28A01N37/08A01N43/40A01N55/10A01N57/34A01N33/12A01P3/00
Inventor 刘天赋刘百桐
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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