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A kind of preparation method of soluble polyetheretherketone

A technology of polyether ether ketone and composite solvent, which is applied in the field of preparation of soluble polyether ether ketone resin, can solve problems such as limited application fields, and achieve the goal of expanding application fields, high glass transition temperature, and good solubility Effect

Active Publication Date: 2020-12-29
YIBIN TIANYUAN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, polyether ether ketone polymer is a kind of high temperature resistant special engineering plastic resin, because of its good heat resistance, hydrolysis resistance, fatigue resistance, creep resistance, good mechanical strength and electrical insulation It can be used as the resin matrix of high-performance composite materials and the clinker of special engineering plastics. It is widely used in the fields of aerospace, mechanical processing, chemical industry and atomic energy. However, because PEEK is insoluble in almost all solvents , resulting in limited application fields, for example, it is difficult to apply it as a thin film or coating to microelectronics and other fields

Method used

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  • A kind of preparation method of soluble polyetheretherketone
  • A kind of preparation method of soluble polyetheretherketone
  • A kind of preparation method of soluble polyetheretherketone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In a 500ml 4-necked flask equipped with a thermometer, mechanical stirring, and a nitrogen vent port, 0.25mol of the compound shown in formula I, 0.2mol of hydroquinone, and K 2 CO 3 0.11mol, KOH0.1mol, dimethylacetamide 100ml, dichloroethane 120ml, sulfolane 280ml, stirring at room temperature, stirring speed 25r / min, stirring time 15min; Keep the stirring speed constant at 125°C for 110 minutes; then raise the temperature of the reaction system to 245°C and keep the temperature constant for 230 minutes; after the reaction time is up, put the reaction materials into cold water for cooling, the reaction materials are crushed, boiled and washed 6 times, and then filtered , put the filtrate into a vacuum drying oven, and dry at a temperature of 120° C. for 110 minutes to finally obtain a light yellow powder, which is soluble polyether ether ketone.

[0025] The specific performance parameters and solubility test results of the product obtained in this embodiment are show...

Embodiment 2

[0027] In a 500ml 4-necked flask equipped with a thermometer, mechanical stirring, and a nitrogen vent port, 0.25mol of the compound shown in formula I, 0.2mol of resorcinol, K 2 CO 3 0.11mol, KOH0.1mol, dimethylacetamide 100ml, dichloroethane 120ml, sulfolane 280ml, stir at room temperature, stirring speed 30r / min, stirring time 15min; Keep the stirring speed constant, keep the constant temperature at 125°C for 130min; then raise the temperature of the reaction system to 245°C, and keep the temperature constant for 250min; after the reaction time is up, put the reaction material into cold water for cooling, the reaction material is crushed, boiled and washed 10 times, and then filtered , put the filtrate into a vacuum drying oven, and dry at a temperature of 120° C. for 130 minutes to finally obtain a light yellow powder, which is soluble polyether ether ketone.

[0028] The specific performance parameters and solubility test results of the product obtained in this embodimen...

Embodiment 3

[0030] In a 500ml 4-neck flask equipped with a thermometer, mechanical stirring, and a nitrogen vent port, add 0.25mol of the compound shown in formula I, 0.2mol of catechol, K 2 CO 3 0.11mol, KOH0.1mol, dimethylacetamide 100ml, dichloroethane 120ml, sulfolane 280ml, stir at room temperature, stirring speed 28r / min, stirring time 15min; Keep the stirring speed constant at 125°C for 120 minutes; then raise the temperature of the reaction system to 245°C and keep the temperature constant for 240 minutes; after the reaction time is up, put the reaction materials into cold water for cooling, the reaction materials are crushed, boiled and washed 8 times, and then filtered , put the filtrate into a vacuum drying oven, and dry at a temperature of 120° C. for 120 minutes to finally obtain a light yellow powder, which is soluble polyether ether ketone.

[0031] The specific performance parameters and solubility test results of the product obtained in this embodiment are shown in Table...

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Abstract

The invention discloses a preparation method for soluble polyether ether ketone, and relates to the technical field of polymer synthesis. The preparation method provided by the invention adopts an electrophilic route for synthesis of the polyether ether ketone through the following steps: successively adding 1,46-dibromodianthoxy dibenzophenone, aromatic diphenol, a K2CO3 / KOH mixed catalyst and three solvents like dimethylacetamide, dichloroethane and sulfolane into a reaction vessel according to certain addition amounts, stirring an obtained mixture, allowing the mixture to generate a polymerization reaction, and subjecting a product to washing and drying so as to finally obtain light yellow powder, i.e. the soluble polyether ether ketone. The polyether ether ketone prepared by using thepreparation method provided by the invention has the characteristics of good heat resistance, excellent mechanical properties, good radiation resistance and aging resistance and excellent solubility,can be dissolved in common organic solvents, and can be applied to more extensive fields.

Description

technical field [0001] The invention relates to the technical field of polymer synthesis, in particular to a preparation method of soluble polyether ether ketone resin. Background technique [0002] At present, polyether ether ketone polymer is a kind of high temperature resistant special engineering plastic resin, because of its good heat resistance, hydrolysis resistance, fatigue resistance, creep resistance, good mechanical strength and electrical insulation It can be used as the resin matrix of high-performance composite materials and the clinker of special engineering plastics. It is widely used in the fields of aerospace, mechanical processing, chemical industry and atomic energy. However, because PEEK is insoluble in almost all solvents , resulting in limited application fields, for example, it is difficult to apply it as a thin film or coating to microelectronics and other fields. [0003] As an aromatic semi-crystalline polymer, polyether ether ketone has excellent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G8/02
CPCC08G8/02
Inventor 罗云侯天武颜华佘国华
Owner YIBIN TIANYUAN GRP CO LTD