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Conjugated micro-porous polymer and preparation method thereof

A technology of conjugated microporous polymers, which is applied in the field of conjugated microporous polymers and their preparation, can solve the problems of high cost and complicated preparation process, and achieve the effect of good thermal stability and large specific surface area

Active Publication Date: 2018-11-27
TAIZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are many preparation methods of CMPs, the most widely used preparation method is polycondensation reaction, which is divided into non-metal catalyzed polycondensation reaction (such as imidization reaction, amidation reaction, boroxine formation, etc.) and metal catalyzed polycondensation reaction (such as coupling reaction, alkylation reaction, oxidative polymerization reaction, Lewis acid catalyzed cyclotrimerization reaction, electrochemical polymerization reaction, etc.), however, the preparation process of these methods is complicated and the cost is high

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preparation example Construction

[0029] The invention provides a preparation method of a conjugated microporous polymer, comprising the following steps:

[0030] Mix tetraketone, trialdehyde compound, o-dichlorobenzene and n-butanol, and carry out the first polymerization reaction under the protection of nitrogen to obtain the first polymerization product system; the trialdehyde compound is trisaldehyde or trialdehyde Phloroglucinol;

[0031] The first polymerization product system is mixed with acetic acid, and the second polymerization reaction is carried out under nitrogen protection to obtain a conjugated microporous polymer.

[0032] In the present invention, tetraketone, trialdehyde compound, o-dichlorobenzene and n-butanol are mixed, and the first polymerization reaction is carried out under the protection of nitrogen to obtain the first polymerization product system; Aldehydophloroglucinol. In the present invention, the tetraketone is preferably symmetric indacene-1,3,5,7(2H,6H)-tetraketone. In the...

Embodiment 1

[0046] Pour trimethylene triformaldehyde and tetraketone into a single-necked flask with a molar ratio of 2:3, put a magnet, then add o-dichlorobenzene and n-butanol, the volume ratio of the two is 7:3, then vacuumize and fill with N 2 , repeated three times, turn on the magnetic stirrer, 2Stir for 20 minutes under ambient conditions, carry out the first polymerization reaction, and obtain the first polymerization product system; then, add acetic acid to the first polymerization reaction system, so that the volume ratio of o-dichlorobenzene, n-butanol and acetic acid is 7:3:1, The second polymerization reaction 3d was carried out at 120° C. under stirring conditions. After the reaction was completed, a black flaky substance appeared in the reaction flask. The three-neck flask was removed, cooled to room temperature, and poured into a Buchner funnel for filtration. After filtration, the product was rinsed with ethanol three times, and the filter cake was poured into a small bea...

Embodiment 2

[0048] Pour trialdehyde phloroglucinol and tetraketone into a single-necked flask with a molar ratio of 2:3, put a magnet, then add o-dichlorobenzene and n-butanol, the volume ratio of the two is 7:3, and then vacuumize. Charge N 2 , repeated three times, turn on the magnetic stirrer, 2 Stir for 20 minutes under ambient conditions, carry out the first polymerization reaction, and obtain the first polymerization product system; then add acetic acid to the first polymerization reaction system, so that the volume ratio of o-dichlorobenzene, n-butanol and acetic acid is 7:3:1, in The second polymerization reaction 3d was carried out at 120° C. under stirring conditions. After the reaction was completed, a black flaky substance appeared in the reaction flask. The three-neck flask was removed, cooled to room temperature, and poured into a Buchner funnel for filtration. After filtration, the product was rinsed with ethanol three times, and the filter cake was poured into a small bea...

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Abstract

The invention provides a preparation method of a conjugated micro-porous polymer. By performing infrared spectral characterization on prepared compounds of two structures, the compounds prepared in the invention are conjugated micro-porous polymers, are conjugated micro-porous polymers of novel structures, have the advantages of being large in specific surface area, porous, excellent in thermal stability and the like, and lay a good foundation for wide application of the conjugated micro-porous polymers in the fields of gas absorption, conduction, biodegradation and the like.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a conjugated microporous polymer and a preparation method thereof. Background technique [0002] Conjugated microporous polymers (CMPs) are a class of non-crystalline materials that allow building units to be connected in a π-conjugated form to form a three-dimensional network structure. Conjugated microporous polymers can be classified into classical hypercoupled polymers (HCPs), intrinsically microporous polymers (PIMs) and covalent organic frameworks (COFs). In terms of morphology, conjugated microporous polymers can be divided into amorphous conjugated microporous polymers (such as HCPs, PIMs) and crystalline conjugated microporous polymers (such as COFs). In today's era, conjugated microporous polymers have developed rapidly and have excellent various properties, and have attracted widespread attention in many fields such as organic semiconductors, lithium batteri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G2/20
CPCC08G2/20
Inventor 任世斌许武侠林勇强贾文平韩得满
Owner TAIZHOU UNIV
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