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Preparation method of ultrahigh-conductivity 3D printing carbon fiber composite wire

A 3D printing and composite wire technology, applied in the field of 3D printing materials, can solve the problems of mechanical properties and mechanical properties that need to be improved, unsuitable for 3D printing, etc., and achieve the effect of simple and feasible preparation process, good melt processability, and high strength.

Inactive Publication Date: 2017-01-11
SUZHOU POLYKING COMPOSITE +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the combination of carbon fiber and pyrolytic carbon in the existing technology is a mechanical combination that is not suitable for 3D printing, and the mechanical properties of 3D printing composite materials have problems that need to be improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The present invention provides a preparation method for 3D printing super high-conductivity carbon fiber composite wire. The materials are calculated by weight. The specific steps include:

[0017] (1) Put 60 parts of polyamide resin, 5 parts of boron trifluoride monoethylamine, 5 parts of antioxidant, 2 parts of nanoparticle carrier type catalyst, 2 parts of color masterbatch, and 4 parts of processing aids on a vacuum drum at 150℃ Dry in the drying box for 3 hours, then cool to room temperature for later use;

[0018] (2) Put 1 part of AG80 epoxy resin and the dry and mixed plastic materials in step (1) into a high-speed kneader and mix for 2 minutes;

[0019] (3) Then the raw materials mixed in step (2) in the high-speed kneader are put into the hopper of the twin-screw extruder, 60 parts of carbon fiber are added to the extruder through the side feed, and they are melted, extruded and cast. Belting, drawing and winding; the processing technology is as follows: twin-screw ...

Embodiment 2

[0021] The present invention provides a preparation method for 3D printing super high-conductivity carbon fiber composite wire. The materials are calculated by weight. The specific steps include:

[0022] (1) Put 63 parts of polyphenylene sulfide resin, 6 parts of boron trifluoride monoethylamine, 1 part of antioxidant, 4 parts of nanoparticle carrier catalyst, 3 parts of color masterbatch, and 5 parts of processing aids in a vacuum at 150℃ Dry in a drum drying box for 4 hours, then cool to room temperature for later use;

[0023] (2) Put 2 parts of AG80 epoxy resin and the dry and mixed plastic materials in step (1) into a high-speed kneader and mix for 4 minutes;

[0024] (3) Then the raw materials mixed in step (2) in the high-speed kneader are put into the hopper of the twin-screw extruder, and 65 parts of carbon fiber are added to the extruder through the side feed. Belting, drawing, winding; the processing technology is as follows: the temperature of the first zone of the twin...

Embodiment 3

[0026] The present invention provides a preparation method for 3D printing super high-conductivity carbon fiber composite wire. The materials are calculated by weight. The specific steps include:

[0027] (1) Put 64 parts of polyether ether ketone resin, 5 parts of boron trifluoride monoethylamine, 1 part of antioxidant, 4 parts of nanoparticle carrier catalyst, 4 parts of color masterbatch, and 5 parts of processing aids in a vacuum at 150℃ Dry in a drum drying box for 4 hours, then cool to room temperature for later use;

[0028] (2) Put 3 parts of AG80 epoxy resin and the dry and mixed plastic materials in step (1) into a high-speed kneader and mix for 4 minutes;

[0029] (3) Then the raw materials mixed in step (2) in the high-speed kneader are put into the hopper of the twin-screw extruder, 70 parts of carbon fiber are added to the extruder through the side feed, and then melted, extruded and cast. Belting, drawing, winding; the processing technology is as follows: the temperat...

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PUM

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Abstract

The invention discloses a preparation method of an ultrahigh-conductivity carbon fiber composite wire for 3D printing. The formula comprises the following components: 60-70 parts of HKT800 carbon fiber, 60-64 parts of thermoplastic resin, 5-8 parts of boron trifluoride monoethylamine, 1-4 parts of AG80 epoxy resin, 1-3 parts of antioxidant, 2-5 parts of nanoparticle carrier type catalyst, 2-8 parts of color masterbatch and 4-10 parts of processing aid; and the preparation method comprises the following steps of: preparing the materials according to the formula, and mixing for 2-4min in a high-speed kneading machine; drying for 3-5h in a vacuum drum drying oven at 150 DEG C; and performing extrusion, strip casting, drafting and rolling through a twin-screw extruder to obtain 3D printing carbon fiber composite wires different in wire diameter. The material printed by the 3D printing carbon fiber composite wire has the characteristics of high-temperature resistance, friction resistance, heat conductivity, corrosion resistance and ultrahigh conductivity; the preparation technology is simple and feasible while the cost is low.

Description

Technical field [0001] The invention relates to the technical field of 3D printing materials, in particular to a super-high conductivity carbon fiber composite wire used for 3D printing. Background technique [0002] 3D printing (3DP) is a kind of rapid prototyping technology. It is a technology that builds objects based on digital model files and uses bondable materials such as powdered metal or plastic wires to print layer by layer. [0003] 3D printing is usually achieved using digital technology material printers. It is often used to make models in mold manufacturing, industrial design and other fields, and then gradually used in the direct manufacturing of some products. There are already parts printed using this technology. The technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, guns, and other ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/16C08L81/02C08L77/00C08L63/00C08K13/04C08K7/06B29C47/92B33Y70/00B29C48/92
CPCC08L61/16B29C48/92B29C2948/92704B33Y70/00C08K2201/001C08L77/00C08L81/02C08L2201/08C08L63/00C08K13/04C08K7/06
Inventor 毛国栋孙君梁雪娇
Owner SUZHOU POLYKING COMPOSITE
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