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Composite 3D printing material and preparation method thereof

A 3D printing and raw material technology, applied in the field of composite 3D printing material preparation, can solve problems such as insufficient strength, and achieve the effects of high flexural elastic modulus, wide source, good environmental and economic benefits

Inactive Publication Date: 2015-12-23
杨洋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing 3D printing materials are not strong enough in the fields of aerospace and automobiles, so it is urgent to develop a 3D printing material that matches the fluidity and formability of 3D printers and has sufficient strength and hardness.

Method used

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  • Composite 3D printing material and preparation method thereof
  • Composite 3D printing material and preparation method thereof
  • Composite 3D printing material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Prepare raw materials according to the raw materials of following weight parts:

[0027] Polyetherimide 40; glycidylamine epoxy resin 40; inorganic filler 10; zirconium coupling agent 5; 2-hydroxy-4-methoxybenzophenone 0.1; polydimethylsiloxane 0.1 ; 2,6-tertiary butyl-4-methylphenol 0.1; styrene-butadiene glue 0.1; polyethylene wax 1.

[0028] The inorganic filler is potassium titanate whisker with a diameter of 0.1-5 microns, a length of 5-100 microns, a density of 4 g / cm3 and a purity (wt%) of 90-99.9%.

[0029] The polyetherimide is a commercially available polyetherimide with an oxygen index of 47% and a density of 1.28-1.42 g / cm3.

[0030] The preparation process is:

[0031] 1) Put epoxy resin, antioxidant, dispersing lubricant, and coupling agent into the batching tank according to the stated formula, stir in a heating device at 600r / min for 1-3h, and heat at 100°C to obtain product A;

[0032] 2) adding inorganic fillers to the above-mentioned molten product...

Embodiment 2

[0036] Prepare raw materials according to the raw materials of following weight parts:

[0037] Polyetherimide 100; glycidylamine epoxy resin 100; inorganic filler 20; zirconium coupling agent 20; 2-hydroxy-4-methoxybenzophenone 0.5; polydimethylsiloxane 2 ; 2,6-tertiary butyl-4-methylphenol 2; styrene-butadiene glue 2; polyethylene wax 6.

[0038] The inorganic filler is potassium titanate whisker with a diameter of 0.1-5 microns, a length of 5-100 microns, a density of 4 g / cm3 and a purity (wt%) of 90-99.9%.

[0039] The polyetherimide is a commercially available polyetherimide with an oxygen index of 47% and a density of 1.28-1.42 g / cm3.

[0040] The preparation process is:

[0041] 1) Put epoxy resin, antioxidant, dispersing lubricant, and coupling agent into the batching tank according to the stated formula, stir in a heating device at 600r / min for 1-3h, and heat at 100°C to obtain product A;

[0042] 2) adding inorganic fillers to the above-mentioned molten product A,...

Embodiment 3

[0046] Prepare raw materials according to the raw materials of following weight parts:

[0047] Polyetherimide 40; glycidylamine epoxy resin 40; inorganic filler 10; zirconium coupling agent 5; 2-hydroxy-4-methoxybenzophenone 0.1; polydimethylsiloxane 0.1 ; 2,6-tertiary butyl-4-methylphenol 0.1; styrene-butadiene glue 0.1; polyethylene wax 1.

[0048] The inorganic filler is potassium titanate whisker with a diameter of 0.1-5 microns, a length of 5-100 microns, a density of 4 g / cm3 and a purity (wt%) of 90-99.9%.

[0049] The polyetherimide is a commercially available polyetherimide with an oxygen index of 47% and a density of 1.28-1.42 g / cm3.

[0050] The preparation process is:

[0051] 1) Put epoxy resin, antioxidant, dispersing lubricant, and coupling agent into the batching tank according to the stated formula, stir in a heating device at 600r / min for 1-3h, and heat at 100°C to obtain product A;

[0052] 2) adding inorganic fillers to the above-mentioned molten product...

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Abstract

The invention provides a composite 3D printing material and a preparation method thereof. The composite 3D printing material is characterized by being prepared from, by weight, 40-100 parts of polyetherimide, 40-100 parts of epoxy resin, 5-10 parts of inorganic fillers, 5-20 parts of coupling agents, 0.1-0.5 part of light stabilizers, 0.1-2 parts of flatting agents, 0.1-2 parts of antioxidants, 0.1-2 parts of degassing agents and 1-6 parts of dispersed lubricants. Compared with a traditional polyetherimide material, the polyetherimide composite 3D printing material has higher strength and hardness and can be used at high temperature.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a preparation method of a composite 3D printing material. Background technique [0002] 3D printing is a rapid prototyping technology based on digital model files and using bondable materials such as powdered metal or plastic. It is known as another industrial revolution that subverts traditional manufacturing. The technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), dental and medical industries, education, geographic information systems, civil engineering, automotive, aerospace, firearms, and others. Since the birth of 3D printing, it has transformed from industrial and architectural model printing to functional and service products. In the context of future intelligent manufacturing, 3D printing technology will integrate with other advanced technologies such as the Internet, cloud computing, Inter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L79/08C08L63/00C08L83/04C08L9/06C08L23/06C08K13/04C08K7/08C08K5/132C08K5/13C08K13/02C08K3/04B33Y10/00B33Y70/00
CPCC08L79/08C08L63/00C08L2201/08C08L2205/035
Inventor 杨洋
Owner 杨洋
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