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High-temperature-resistant polyether-ether-ketone composite material and preparation method thereof

A technology of polyetheretherketone and composite materials, which is applied in the field of polyether ether ketone materials, can solve the problems that the load cannot be effectively transmitted through the interface, affect the comprehensive performance of composite materials, and have low bonding strength, and achieve mechanical properties such as high temperature resistance, Effect of improving high temperature resistance and improving sliding ability

Inactive Publication Date: 2018-06-22
ZHANJIANG ZHENGXIN TECH SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the fiber surface is smooth, inert and has poor adhesion to the matrix. Therefore, the interface bonding strength of pure fiber-improved PEEK composite materials is low. When the material is subjected to external forces, the fibers are easily pulled out from the matrix, and the load cannot effectively pass through the interface. transfer
Seriously affect the comprehensive performance of composite materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A high-temperature-resistant polyetheretherketone composite material, prepared from the following ingredients in parts by weight: 75 parts of polyether ether ketone, 15 parts of carbon fiber, 3 parts of nano-silica, 3 parts of hollow glass microspheres, hydrotalcite 3 parts, 1 part titanate coupling agent.

[0024] The hydrotalcites include micron-scale hydrotalcites and nano-scale hydrotalcites with a weight ratio of 2:1, the particle diameter of the micron-scale magnesium-aluminum hydrotalcites is 40-50 μm, and the particle diameter of the nano-scale magnesium-aluminum hydrotalcites is 80-100nm.

[0025] A method for preparing a high-temperature-resistant polyetheretherketone composite material, comprising the steps of:

[0026] 1) Material preparation step: weigh each component according to the formula ratio, and set aside;

[0027] 2) Extrusion granulation: After mixing the polyether ether ketone, nano-silica, hollow glass microspheres, micron-sized hydrotalcite, ...

Embodiment 2

[0029] A high-temperature-resistant polyetheretherketone composite material, prepared from the following components in parts by weight: 70 parts of polyetheretherketone, 10 parts of carbon fiber, 1 part of nano-silicon dioxide, 1 part of hollow glass microspheres, and hydrotalcite 1 part, 0.5 part of titanate coupling agent. The hydrotalcite includes micron-sized hydrotalcite, and the particle size of the micron-sized magnesium aluminum hydrotalcite is 40-50 μm.

[0030] A method for preparing a high-temperature-resistant polyetheretherketone composite material, comprising the steps of:

[0031] 1) Material preparation step: weigh each component according to the formula ratio, and set aside;

[0032] 2) Extrusion granulation: After mixing the polyether ether ketone, nano-silica, hollow glass microspheres, micron-sized hydrotalcite, and titanate coupling agent evenly, the mixture is obtained, and the mixture is added to the double In the main feeding port of the screw compoun...

Embodiment 3

[0034] A high temperature resistant polyether ether ketone composite material, prepared from the following components in parts by weight: 75 parts of polyether ether ketone, 20 parts of carbon fiber, 2 parts of nano silicon dioxide, 2 parts of hollow glass microspheres, hydrotalcite 2 parts, 2 parts of titanate coupling agent. The hydrotalcite includes nanoscale hydrotalcite, and the particle size of the nanoscale magnesium aluminum hydrotalcite is 80-100nm.

[0035] A method for preparing a high-temperature-resistant polyetheretherketone composite material, comprising the steps of:

[0036] 1) Material preparation step: weigh each component according to the formula ratio, and set aside;

[0037] 2) Extrusion granulation: After mixing the polyether ether ketone, nano-silica, hollow glass microspheres, micron-sized hydrotalcite, and titanate coupling agent evenly, the mixture is obtained, and the mixture is added to the double In the main feeding port of the screw compounding...

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Abstract

The invention discloses a high-temperature-resistant polyether-ether-ketone composite material. The composite material is prepared from the following components in parts by weight: 70-80 parts of polyether-ether-ketone, 10-20 parts of carbon fibers, 1-5 parts of nano silicon dioxide, 1-5 parts of hollow glass microspheres, 1-5 parts of hydrotalcite, and 0.5-3 parts of a titanate coupling agent. The invention also discloses a preparation method of the high-temperature-resistant polyether-ether-ketone composite material. The high-temperature-resistant polyether-ether-ketone composite material provided by the invention has the characteristics of good mechanical properties and high-temperature resistance.

Description

technical field [0001] The invention relates to a polyetheretherketone material, in particular to a high-temperature-resistant polyetheretherketone composite material and a preparation method thereof. Background technique [0002] Polyetheretherketone (polyether~ether~ketone, PEEK) is a fully aromatic semi-crystalline thermoplastic engineering plastic first developed by the British ICI company in 1978. Its macromolecular chain contains rigid benzene rings and soft ether bonds. And carbonyl, regular structure, excellent mechanical properties, chemical corrosion resistance, creep resistance, radiation resistance, fatigue resistance and remarkable thermal stability, so it has become a special engineering plastics. [0003] In the prior art, the PEEK composite material modified by adding carbon fiber has the characteristics of small thermal expansion coefficient, high specific heat capacity, can store a large amount of heat energy, and low thermal conductivity. At the same time...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/16C08K13/04C08K7/06C08K3/36C08K7/28C08K3/26C08K5/10
CPCC08K13/04C08K3/26C08K3/36C08K5/10C08K7/06C08K7/28C08K2201/011C08L2201/08C08L61/16
Inventor 邱振东
Owner ZHANJIANG ZHENGXIN TECH SERVICE CO LTD
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