A self-healing reinforced polyarylether composite material and its preparation method

A composite material and polyarylether technology, which is applied in the field of self-repairing reinforced polyarylether composite material and its preparation, can solve problems such as difficulties and achieve excellent mechanical properties, wide application prospects, and high melting point

Active Publication Date: 2018-10-02
安徽旭云商务咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current self-healing polymer materials are mainly limited to soft or stretchable polymer materials, and as engineering plastics, special warfare engineering plastics and other application fields with important value, it is much more difficult to realize the self-healing function. There are few reports on this

Method used

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  • A self-healing reinforced polyarylether composite material and its preparation method
  • A self-healing reinforced polyarylether composite material and its preparation method
  • A self-healing reinforced polyarylether composite material and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Dissolve 5g of p-aminophenylboronic acid in 10g of ethanol to make a uniform mixed solution, then add this mixed solution, 90g of polyethersulfone resin, 20g of carboxyl-containing polyethersulfone and 1g of triphenyl phosphite to the high-speed In a mixer, mix at room temperature for 10 minutes to obtain a mixed masterbatch;

[0027] (2) Dry the uniformly dispersed mixed masterbatch at a temperature of 50°C and a vacuum of 0.05MPa for 6 hours to obtain a dried mixed masterbatch; then add the masterbatch from the main feeding port of the twin-screw extruder , set the screw speed at 50rpm, and the temperature at 330°C; at the same time, add 60g of glass fiber from the side feeding port of the twin-screw extruder, melt and blend for 2min, extrude, cool, granulate, and dry to obtain self-repairing reinforcement type polyaryl ether sulfone composite material; it was injection molded into a standard tensile spline, and a gap with a width of 0.1mm and a depth of 1mm was c...

Embodiment 2

[0029] (1), 10g of p-carboxyphenylboronic acid was dissolved in 20g of acetone to make a uniform mixed solution, and then the mixed solution was mixed with 30g of polyphenylene sulfide resin, 5g of amino-containing polyphenylene sulfide, and 0.1g of trimethyl chloride Add silicon oxide into the high-speed mixer together, and mix for 1 min at room temperature to obtain a mixed masterbatch;

[0030] (2) Dry the uniformly dispersed mixed masterbatch at a temperature of 30°C and a vacuum of 0.085MPa for 1 hour to obtain a dried mixed masterbatch; then add the masterbatch from the main feeding port of the twin-screw extruder , set the screw speed at 200rpm, and the temperature at 290°C; at the same time, add 10g of carbon fiber from the side feeding port of the twin-screw extruder, melt and blend for 10min, extrude, cool, granulate, and dry to obtain a self-repairing enhanced type Polyphenylene sulfide composite material; inject it into a standard tensile spline, and cut a gap with...

Embodiment 3

[0032] (1), 0.1g of p-hydroxyphenylboronic acid was dissolved in 1g of ethyl formate to form a uniform mixed solution, and then this mixed solution was mixed with 40g of polyphenylene sulfide resin, 2g of carboxyl-containing polyphenylene ether, and 5g of stannous octoate. and added to a high-speed mixer, and mixed for 6 minutes at room temperature to obtain a mixed masterbatch;

[0033] (2) Dry the uniformly dispersed mixed masterbatch at a temperature of 80°C and a vacuum of 0.095MPa for 1 hour to obtain a dried mixed masterbatch; then add the masterbatch from the main feeding port of the twin-screw extruder , set the screw speed at 120rpm, and the temperature at 300°C; at the same time, add 40g of aramid 1414 fiber from the side feeding port of the twin-screw extruder, melt and blend for 4min, extrude, cool, granulate, and dry to obtain the self- Repair the reinforced polyarylether composite material; inject it into a standard tensile spline, and cut a gap with a width of 0...

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Abstract

The invention discloses a self-repairing enhanced polyarylether composite material and a preparation method thereof, which is characterized in that 0.1-10 parts of a boron-containing organic small molecule crosslinking agent is dissolved in 1-20 parts of a dispersant to form a uniform mixture Liquid, this mixed solution and 30-90 parts of polyarylether base resin, 0.1-20 parts of polymer-based crosslinking agent containing active functional groups and 0.1-5 parts of catalyst are added to a high-speed mixer, and mixed at room temperature for 1-10min to obtain Masterbatch; the uniformly dispersed above-mentioned masterbatch is dried at a temperature of 30-80°C and a vacuum of 0.05-0.095MPa for 1-6h to obtain a mixed masterbatch; the masterbatch is added from the main feeding port of the twin-screw extruder, and the screw speed The temperature is 50-200rpm, the temperature is 270-380°C; at the same time, 10-60 parts of reinforcing fillers are added from the side feeding port of the twin-screw extruder, melted and blended for 2-10min, extruded, cooled, granulated, and dried to obtain Self-healing reinforced polyarylether composite material; injection molding it into a notched standard tensile spline, and testing its average tensile strength; comparing the tensile properties of the composite material before and after repairing to analyze its self-healing performance and effect.

Description

technical field [0001] The invention relates to a self-repairing enhanced polyarylether composite material and a preparation method thereof, belonging to the field of polymer materials. Background technique [0002] Polyaryl ethers, such as polyphenylene sulfide, polyphenylene sulfide ketone, polyphenylene sulfide sulfone, polyphenylene sulfide nitrile, polyphenylene sulfide amide, polyphenylene ether, polyether sulfone, polyether ketone, polyether ether ketone , polyarylether nitrile, etc. are widely used in automobiles, aerospace and electronic engineering technologies due to their high temperature resistance, corrosion resistance, excellent electrical properties, mechanical properties and dimensional stability. Self-healing polymer materials are an emerging and important research field in the field of polymer research. Using this technology can make materials have the function of gradually repairing after damage like biological tissues, so as to improve the service life o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L81/06C08L81/02C08L61/16C08L71/10C08L77/00C08K5/55
CPCC08L61/16C08L71/00C08L77/00C08L81/02C08L81/06C08L2201/08C08L2205/025C08K5/55
Inventor 张刚杨杰任浩浩严光明卢杰宏
Owner 安徽旭云商务咨询有限公司
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