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Azobenzene-polyarylene ether nitrile composite material and preparation method thereof

A polyarylether nitrile and composite material technology, which is applied in the field of high-performance organic polymer materials, can solve problems such as photoactive polyarylether nitrile that have not yet appeared, and achieve the effect of easy industrial production and promotion, and stable polymerization molecular weight

Pending Publication Date: 2021-10-29
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, there are few reports on the photoactive performance of polyarylether nitrile, and there is no photoactive polyarylether nitrile product

Method used

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  • Azobenzene-polyarylene ether nitrile composite material and preparation method thereof
  • Azobenzene-polyarylene ether nitrile composite material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0030] This embodiment provides a kind of preparation method of azobenzene-polyarylether nitrile composite material, comprising the following steps:

[0031] (1) Add 200 parts by weight (all parts below are parts by weight) of 4,4'-dihydroxyazobenzene, 0.234 parts of 4-hydroxyazobenzene, and 11.172 parts of bisphenol to the reactor in sequence A, 171 parts of 2,6-dichlorobenzonitrile, 138 parts of potassium carbonate, 1500 parts of N-methylpyrrolidone and 200 parts of toluene, mechanically stirred at 300r / min;

[0032] (2) Keep mechanical stirring, control the system temperature at about 115°C, react with water for 2 hours, then gradually increase the temperature to about 180°C within 1 hour, and continue to react for 2 hours;

[0033] (3) Cool the reaction system to 40°C, add 200 parts of N-methylpyrrolidone, stir and dilute the reaction system, then pour it into cold water for precipitation to obtain a crude polymer product;

[0034] (4) Crushing the crude polymer product i...

Embodiment 2

[0036] This embodiment provides a kind of preparation method of azobenzene-polyarylether nitrile composite material, comprising the following steps:

[0037](1) Add 107.5 parts of 4-(4-nitrophenylazo)resorcinol, 2.853 parts of 4-hydroxy-4 nitroazobenzene, and 81.506 parts of tert-butylhydroquinone to the reactor in sequence 187 parts of 3-amino-2,6-dichlorobenzonitrile, 105 parts of sodium carbonate, 800 parts of N,N-dimethylformamide and 300 parts of xylene, mechanically stirred at 300r / min;

[0038] (2) Keep mechanical stirring, control the temperature of the system at about 140°C, react with water for 1.5h, then gradually increase the temperature to about 155°C within 0.5h, and continue the reaction for 3h;

[0039] (3) Cool the reaction system to 70°C, add 300 parts of N,N dimethylformamide, stir and dilute the reaction system, then pour it into cold water for precipitation to obtain a crude polymer product;

[0040] (4) Crushing the crude polymer product into a fine powd...

Embodiment 3

[0042] This embodiment provides a kind of preparation method of azobenzene-polyarylether nitrile composite material, comprising the following steps:

[0043] (1) Add 300.2 parts of 4-[(2,4-dihydroxyphenyl)azo]benzenesulfonate sodium, 16.464 parts by weight of hexafluorobisphenol A, 2.54 parts of 4-(4-butane) to the reactor in sequence phenylazo) phenol, 250 parts of 4-bromo-2,6-dichlorobenzonitrile, 200 parts of potassium bicarbonate, 2000 parts of dimethyl sulfoxide and 400 parts of chlorobenzene, 400r / min mechanical Stir well;

[0044] (2) Keep mechanical stirring, control the temperature of the system at about 135°C, react with water for 4 hours, then gradually increase the temperature to about 190°C within 1.5 hours, and continue the reaction for 3 hours;

[0045] (3) Cool the reaction system to 60°C, add 500 parts of dimethyl sulfoxide, stir and dilute the reaction system, pour it into cold water for precipitation to obtain a crude polymer product;

[0046] (4) Crushing...

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Abstract

The invention discloses an azobenzene-polyarylene ether nitrile composite material and a preparation method thereof. The azobenzene-polyarylene ether nitrile composite material is prepared from the following raw materials in parts by weight: 100 to 305 parts of dihydroxy azobenzene, 0.2 to 3.0 parts of monohydroxy azobenzene, 4 to 170 parts of aromatic diphenol, 170 to 250 parts of dichlorobenzonitrile, 60 to 220 parts of an acid-binding agent, 1000 to 2500 parts of an organic solvent and 200 to 500 parts of a water-carrying agent. Through molecular design, an aromatic azo structure is introduced into a main chain structure of a polyarylene ether nitrile molecule to obtain a polymer with a photoactivity function, so that the polymer has flexible molecular designability, good heat resistance, high glass transition temperature, excellent mechanical properties, chemical corrosion resistance and photoresponse performance. The azobenzene-polyarylene ether nitrile composite material can be used as a functional coating, a structural material, matrix resin and the like to be applied to the fields of oil and gas fields, aerospace, transportation, electronics and the like.

Description

technical field [0001] The invention belongs to the technical field of high-performance organic polymer materials, and specifically relates to an azobenzene-polyarylether nitrile composite material and a preparation method thereof. Background technique [0002] With the rapid development of industries such as aerospace engineering, electronic products, and oil and gas fields, the demand for comprehensive performance of high-temperature-resistant materials in the application field has further increased. Polyarylene ether nitrile, a polymer material containing aromatic heterocycles and nitrile side groups, has attracted widespread attention for its high mechanical strength, high heat resistance and good processability. Polyarylether nitrile is a new type of thermoplastic special engineering plastics. The nitrile side group in its molecular structure is a strong polar group, and the dipole-dipole interaction between the groups strengthens the force of the polyarylether nitrile ...

Claims

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Application Information

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IPC IPC(8): C08G65/40
CPCC08G65/4006C08G65/4093
Inventor 武元鹏李辉赵春霞覃建洪李云涛向东李振宇来婧娟安鹏王斌王犁
Owner SOUTHWEST PETROLEUM UNIV
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