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Perylene anhydride type polyarylene sulfide with tree structure, and preparation method and application thereof

A technology of polyarylene sulfide and tree structure, which is applied in the field of polymer synthesis and can solve problems such as limited performance, difficulty in tracking marks, lack of photoelectric and magnetoelectric properties, etc.

Active Publication Date: 2020-12-04
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this material itself is a small crystalline molecule, which can only be used for various doping dyes, and reacts with various amine compounds to form amides and imide compounds to improve its fluorescence efficiency, which limits its performance.
[0003] Special Engineering Plastics PPS Due to its excellent corrosion resistance, high temperature resistance, good rigidity, high strength, and small specific gravity, it is widely used in various aspects such as petrochemical, electronic, electrical, automotive, and environmental protection. However, it is an inert polymer and does not have photoelectricity and magnetoelectricity. performance, making it difficult to track markers
[0004] In the prior art, there is no combination of the photoelectric effect of perylene anhydride and the excellent strength and plasticity of polyphenylene sulfide to form a high-performance, multifunctional perylene anhydride polyarylene with high temperature resistance, high strength, corrosion resistance, and photoelectric performance. Reports about sulfides

Method used

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  • Perylene anhydride type polyarylene sulfide with tree structure, and preparation method and application thereof
  • Perylene anhydride type polyarylene sulfide with tree structure, and preparation method and application thereof
  • Perylene anhydride type polyarylene sulfide with tree structure, and preparation method and application thereof

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preparation example Construction

[0049] Preparation process of the present invention can represent its process with following example reaction:

[0050] Step 1): Substituted perylene anhydride reacts with polycarboxylic acid under the action of polar solvent:

[0051]

[0052] Step 2): The perylene anhydride complex reacts with the dihalogen aromatic compound and sulfur further under the action of an aprotic polar solvent to form a perylene anhydride polyarylene sulfide with a dendritic structure:

[0053]

[0054] Step 3): The perylene anhydride type polyarylene sulfide with carboxyl group-containing tree structure further reacts with magnetic and optical metal elements under the action of a solvent to form a dendritic structure of perylene anhydride type magneto-optical effect multifunctional polyarylene sulfide:

[0055]

[0056]

[0057] The general structure of the novel perylene anhydride type magneto-optical effect multifunctional polyarylene sulfide structure with dendritic structure obtai...

Embodiment 1

[0068] Add 2500ml of anhydrous NMP into a 5L reactor, add 76.85g (0.4mol) of citric acid and 55.01g (0.1mol) of 1,7 dibromoperylene anhydride under nitrogen protection, stir for 2 hours, heat up to 120°C and keep 2 hours; then add 260g sodium sulfide (three crystal waters), slowly heat up to 200°C to remove moisture, then cool down to 160°C; then add 279.3g (1.9mol) 1,4-dichlorobenzene, nitrogen protection Next, close the reactor, gradually heat up to 225°C, after two hours of reaction, heat up to 250°C to continue the reaction for 4 hours, then cool down to below 100°C, then add terbium nitrate pentahydrate 174g (0.4mol), and react at 120°C for 2 Hours. The reactor was opened, the product was washed 6 times with deionized water at 80° C., and dried at 100° C. for 12 hours to obtain 328 g of powder product. The product has a melting point of 295°C, a glass transition temperature of 130°C, an intrinsic viscosity of 0.31 (the intrinsic viscosity test condition is 206°C, and α-c...

Embodiment 2

[0070] Add 2500ml anhydrous NMP in the reactor of 5L, add 58.85g glutamic acid, 53.01g tetrachloroperylene anhydride under nitrogen protection, stir 2 hours, be warming up to 120 ℃ and keep 2 hours; Then add 234g sodium sulfide ( three crystal waters), slowly raise the temperature to 200°C to remove moisture, then cool down to 160°C; then add 264.6g of 1,4-dichlorobenzene, under the protection of nitrogen, close the reactor, gradually raise the temperature to 225°C, and react for two hours Afterwards, the temperature was raised to 250° C. to continue the reaction for 4 hours, and then the temperature was lowered to below 100° C., then 90.2 g of gadolinium nitrate hexahydrate was added, and the reaction was carried out at 120° C. for 2 hours. The reactor was opened, the product was washed 6 times with deionized water at 80° C., and dried at 100° C. for 12 hours to obtain 282 g of powder product. The product has a melting point of 295°C, a glass transition temperature of 110°C, ...

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Abstract

The invention relates to a perylene anhydride type polyarylene sulfide with a tree structure, and a preparation method and application thereof, and belongs to polymer synthesis. The perylene anhydridetype polyarylene sulfide is obtained by introducing polyarylene sulfide into the structure of perylene anhydride. The obtained polyarylene sulfide has the photoelectric effect of the perylene anhydride and the excellent strength and plasticity of the polyphenylene sulfide; magneto-optic metal is further introduced to obtain the perylene anhydride type light effect multifunctional polyarylene sulfide polymer with the weight-average molecular weight of 20000-150000, the melt index of 5-500 / 10min, high temperature resistance (the melting point is 280-350 DEG C, and the decomposition temperatureis greater than 480 DEG C), strong absorption peak at 500-700nm, and variable magnetic property at room temperature to 200 DEG C; and the perylene anhydride type polyarylene sulfide is a novel high-temperature-resistant and high-strength flexible magneto-optical material, and has wide application.

Description

technical field [0001] The invention relates to a perylene anhydride type polyarylene sulfide with a dendritic structure, a preparation method and application thereof, belonging to polymer synthesis. Background technique [0002] Perylene tetracarboxylic acid series compounds have a wide absorption spectrum range in the visible light region, and the absorption band of visible light is in the range of 450-600nm. The absorption spectrum range is wide, the performance is stable, the fluorescence emission is strong, and the photogenerated charge efficiency is high. Organic semiconductor materials with good stability and durability and high photoelectric conversion efficiency have received extensive attention and research. However, this material itself is a small crystalline molecule, which can only be used for various doping dyes, and reacts with various amine compounds to form amides and imide compounds to improve its fluorescence efficiency, which limits its performance. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G75/0263C08G75/0227
CPCC08G75/0263C08G75/0227
Inventor 严永刚焦雪菲严大卫李鹏程唐万里
Owner SICHUAN UNIV
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