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Polyaryletherketone containing indole group and its preparation method

A polyaryletherketone, indole group technology, applied in the field of polymer compounds and their preparation, can solve the problems of low glass transition temperature, poor solubility, etc., and achieve high glass transition temperature, uniform molecular weight distribution, good The effect of thermal stability

Inactive Publication Date: 2018-09-04
SOUTHWEAT UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention overcomes the disadvantages of low glass transition temperature and poor solubility of existing polyaryletherketones, and provides polyaryletherketones containing indole groups with good thermal stability, high glass Transition temperature, as well as excellent solubility and unique optical properties

Method used

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  • Polyaryletherketone containing indole group and its preparation method
  • Polyaryletherketone containing indole group and its preparation method
  • Polyaryletherketone containing indole group and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Under nitrogen protection, add a mmol 4-oxindole, b mmol hydroquinone and (a+b)mmol 4 , 4'-difluorobenzophenone, using 1.8(a+b)mmol anhydrous potassium carbonate as a base to make a salt, using N-methylpyrrolidone (amount of 15mL) as a solvent, and toluene (amount of 3mL) as a Water agent, heat up to 140°C and react with water for 3 hours, then distill off toluene, then rapidly raise the temperature to 180°C to continue the reaction for 4 hours; then slowly cool the reaction system to room temperature, pour the reaction solution into deionized water for precipitation, suction filter, and then After extraction with methanol for 10 hours; the extract was then dried in vacuum (at a pressure of 0.1 MPa) at 100°C for 10 hours to obtain the target polymer—polyhydroquinone monocarbonyl aryl ether ketone containing indole groups. The rate is above 92%. By adjusting the ratio of a and b (the specific amounts of a and b are shown in Table 1), the content of indole groups in the ...

Embodiment 2

[0039] Under nitrogen protection, add a mmol 4-oxindole, b mmol hydroquinone and (a+b)mmol 4 , 4'-bis(4-fluoro-benzoyl)benzene, using 1.8(a+b)mmol anhydrous potassium carbonate as a base to form a salt, using N-methylpyrrolidone (amount of 20mL) as a solvent, and toluene ( The dosage is 4mL) as a water-carrying agent, heat up to 140°C and react with water for 4 hours, then distill off toluene, then rapidly raise the temperature to 180°C to continue the reaction for 6 hours; then slowly cool the reaction system to room temperature, and pour the reaction solution into deionized water for precipitation , suction filtration, and then extracted with methanol for 18 hours; the extract was then dried in vacuum (at a pressure of 0.1 MPa) at 100°C for 10 hours to obtain the target polymer - polyhydroquinone p-dicarbonyl containing indole groups The yield of aryl ether ketone is more than 90%. By adjusting the ratio of a and b (the specific amounts of a and b are shown in Table 2), the...

Embodiment 3

[0044] Under nitrogen protection, add a mmol 4-oxindole, b mmol hydroquinone and (a+b)mmol 1 ,3-bis(4-fluoro-benzoyl)benzene, use 1.8(a+b)mmol anhydrous potassium carbonate as a base to form a salt agent, use N-methylpyrrolidone (amount of 20mL) as a solvent, and use toluene (amount 2mL) is a water-carrying agent, heat up to 140°C and react with water for 4 hours, then distill off the toluene, and then quickly heat up to 180°C to continue the reaction for 6 hours; then slowly cool the reaction system to room temperature, and pour the reaction solution into deionized water for precipitation. Suction filtration, and then extracted with methanol for 10 h; the extract was then dried in vacuum (at a pressure of 0.1 MPa) at 100°C for 10 h to obtain the target polymer—polyhydroquinone meta-dicarbonyl aromatic polyhydroquinone containing indole groups. Ether ketone, its productive rate is above 90%. By adjusting the ratio of a and b (the specific amounts of a and b are shown in Table...

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Abstract

The invention discloses polyaryletherketone containing an indole group and a preparation method of polyaryletherketone. The polyaryletherketone is shown in formula (I). The preparation method includes the following steps: under the protection of nitrogen, adding 4-hydroxyindole, a keto-group-containing difluoro monomer, a bisphenol monomer, a salt-forming agent, a solvent and methylbenzene in a reactor; stirring the mixture evenly, and conducting heating to increase the temperature to 130-140 DEG C for reaction for 3-4 hours; distilling off methylbenzene, and then increasing the temperature to 160-190 DEG C for continuous reaction for 4-6 hours; cooling the materials obtained after the reaction to room temperature, and pouring the materials in deionized water for sedimentation; conducting suction filtration to obtain a solid product, conducting extraction with methyl alcohol, and drying the solid product obtained by suction filtration to obtain polyaryletherketone containing the indole group. The polyaryletherketone containing the indole group is good in thermal stability, relatively high in glass transition temperature, good in solubility and unique in optical property, and can be used in battery diaphragms, optoelectronic devices, electrode materials, inertial confinement fusion film targets and other fields. Please see the formula in the specification.

Description

technical field [0001] The invention belongs to macromolecule compound and its preparation, and relates to polyaryletherketone containing indole group and its preparation method. The macromolecule material of the present invention, the polyaryletherketone containing indole group, can be made into a transparent high-strength film, which is used in the fields of battery diaphragm, optoelectronic device, electrode material, inertial confinement fusion (ICF) film target and the like. Background technique [0002] In the prior art, as a traditional special engineering material, polyaryletherketone has excellent heat resistance, radiation resistance and aging resistance, etc., and its excellent dielectric properties, mechanical properties and chemical stability make it It is widely used in electronic communication, mechanical instrumentation, aerospace and other fields. However, the glass transition temperature of polyaryletherketone is low, only about 143°C, and its melting poin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G65/40C08G65/46
CPCC08G65/4006C08G65/4012C08G65/46
Inventor 杨莉常冠军王鹏飞林润雄
Owner SOUTHWEAT UNIV OF SCI & TECH
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