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PEEK (polyether-ether-ketone) composite material applicable to 3D (three-dimensional) printing

A composite material and 3D printing technology, applied in the field of 3D printing, can solve the problems of unsatisfactory rigidity, hardness and wear resistance, poor biological activity and biocompatibility, etc., and achieve good biological activity and biocompatibility, The effect of perfect performance and structure improvement

Inactive Publication Date: 2019-07-26
广西慧思通科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 3D printing is recognized as one of the technologies that promote the third industrial revolution. Although it originated from industrial manufacturing, it has attracted the attention of the medical community from the beginning. At present, 3D printing technology is gradually applied to the repair and replacement of biological hard tissues , but the existing PEEK composite materials suitable for 3D printing have poor bioactivity and biocompatibility, and their rigidity, hardness and wear resistance cannot meet the requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The present invention proposes a PEEK composite material suitable for 3D printing, which includes nano-hydroxyapatite, nano-Si 3 N 4 , polyether ether ketone, polytetrafluoroethylene, carbon fiber and antioxidant; the weight ratio of each component added is: 3 parts of nano-hydroxyapatite, nano-Si 3 N 4 5 parts, 60 parts of polyether ether ketone, 18 parts of polytetrafluoroethylene, 20 parts of carbon fiber and 0.1 part of antioxidant.

[0030] In an optional embodiment, the antioxidant is one or a combination of antioxidant 246, antioxidant BHT, antioxidant 1076 or antioxidant 168.

[0031] In an optional embodiment, the polyetheretherketone is in powder form and has a density of 1132 g / mm 2 .

[0032] In an optional embodiment, the carbon fiber is chopped fiber, and the fiber length is 6mm-10mm.

[0033] In an optional embodiment, nano-Si 3 N 4 The preparation method is as follows: under the condition of 1300°C-1400°C, the silicon nitride is directly combined ...

Embodiment 2

[0043] The present invention proposes a PEEK composite material suitable for 3D printing, which includes nano-hydroxyapatite, nano-Si 3 N 4 , polyether ether ketone, polytetrafluoroethylene, carbon fiber and antioxidant; the weight ratio of each component added is: 3 parts of nano-hydroxyapatite, nano-Si 3 N 4 7 parts, 60 parts of polyether ether ketone, 20 parts of polytetrafluoroethylene, 20 parts of carbon fiber and 0.3 parts of antioxidant.

[0044] In an optional embodiment, the antioxidant is one or a combination of antioxidant 246, antioxidant BHT, antioxidant 1076 or antioxidant 168.

[0045] In an optional embodiment, the polyetheretherketone is in powder form and has a density of 1132 g / mm 2 .

[0046] In an optional embodiment, the carbon fiber is chopped fiber, and the fiber length is 6mm-10mm.

[0047] In an optional embodiment, nano-Si 3 N 4 The preparation method is as follows: under the condition of 1300°C-1400°C, the silicon nitride is directly combined...

Embodiment 3

[0057] The present invention proposes a PEEK composite material suitable for 3D printing, which includes nano-hydroxyapatite, nano-Si 3 N 4 , polyether ether ketone, polytetrafluoroethylene, carbon fiber and antioxidant; the weight ratio of each component added is: 4 parts of nano-hydroxyapatite, nano-Si 3 N 4 5 parts, polyether ether ketone 75 parts, polytetrafluoroethylene 19 parts, carbon fiber 22.5 parts and antioxidant 0.2 parts.

[0058] In an optional embodiment, the antioxidant is one or a combination of antioxidant 246, antioxidant BHT, antioxidant 1076 or antioxidant 168.

[0059] In an optional embodiment, the polyetheretherketone is in powder form and has a density of 1132 g / mm 2 .

[0060] In an optional embodiment, the carbon fiber is chopped fiber, and the fiber length is 6mm-10mm.

[0061] In an optional embodiment, nano-Si 3 N 4 The preparation method is as follows: under the condition of 1300°C-1400°C, the silicon nitride is directly combined with elem...

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PUM

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Abstract

The invention is applicable to PEEK (polyether-ether-ketone) composite material applicable to 3D (three-dimensional) printing. The composite material comprises, by weight, 3-5 parts of nano-hydroxyapatite, 5-7 parts of nano-Si3N4, 60-90 parts of polyether-ether-ketone, 18-20 parts of polytetrafluoroethylene, 20-25 parts of carbon fibers and 0.1-0.3 part of antioxidants. The composite material is perfect in structure, high in hardness and good in abrasion resistance, a 3D printing product by the material can be widely applied to repairing and replacing of biological hard tissues, and the composite material is an ideal alternative material of human skeletons.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a PEEK composite material suitable for 3D printing. Background technique [0002] Polyether ether ketone is a high polymer composed of repeating units containing one ketone bond and two ether bonds in the main chain structure. It is a special polymer material with physical and chemical properties such as high temperature resistance and chemical corrosion resistance. It is a semi-crystalline polymer material with a melting point of 334°C, a softening point of 168°C, and a tensile strength of 132-148MPa. It can be used as a high-temperature resistant structural material and electrical insulation material. It can be combined with glass fiber or carbon fiber to prepare reinforced materials. Due to its superior Performance, become the main raw material of 3D printing technology. [0003] 3D printing is recognized as one of the technologies that promote the third industrial revolu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/16C08L27/18C08K13/04C08K7/06C08K3/32C08K3/34B33Y70/00
CPCB33Y70/00C08K2003/325C08K2201/004C08K2201/011C08L61/16C08L27/18C08K13/04C08K7/06C08K3/32C08K3/34
Inventor 韦仁覃华栋黄进骏邹泽华
Owner 广西慧思通科技有限公司
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