ABS/carbon fiber composite material suitable for 3D printing

A composite material, 3D printing technology, applied in the field of 3D printing, can solve the problems of difficult processing, heavy processing odor, high material cost, and achieve the effect of improving comprehensive mechanical properties, increasing material compatibility, and broad market prospects.

Inactive Publication Date: 2017-02-08
HEILONGJIANG XINDA ENTERPRISE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing 3D printing consumables are mainly single materials such as polylactic acid, ABS, PA, PVA, etc. Due to the limitations of the above-mentioned materials, the cost of polylactic acid materials is high, and the materials are easily deformed above 55°C; ABS (acrylic acid) /butadiene/styrene terpolymer), a common engineering plastic, has heavy processing odor and

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) A composite material suitable for 3D printing, comprising the following parts by weight: PLA: 40.0 parts; ABS: 40.0 parts; carbon fiber: 20.0 parts; ABS high-glue powder: 8 parts; compatibilizer: 0.2 parts; Agent: 0.4 part; Described compatibilizer comprises maleic acid phenol graft macromolecule, is formed by the terpolymer (SAG) of styrene, acrylonitrile, glycidyl methacrylate copolymerization; One or two or more compatibilizers in the terpolymer formed by copolymerization of vinegar, butadiene and styrene copolymer are used together.

[0017] (2) The compatibilizer maleic acid grafted polymer includes maleic acid grafted ABS.

[0018] (3) heat stabilizer is one or more in phosphite esters, calcium zinc stabilizer; Described lubricant is one or more in ethylene bis stearic acid amide, zinc stearate, calcium stearate Several kinds; the dispersant is one or more of sodium methylene bis-naphthalene sulfonate, stearic acid, and oxidized polyethylene wax.

Embodiment 2

[0020] (1) A composite material suitable for 3D printing, comprising the following components by weight: PLA: 45.0 parts; ABS: 45.0 parts; carbon fiber: 10.0 parts; ABS high-glue powder: 4 parts; compatibilizer: 0.2-5.0 parts ; Auxiliary agent: 0.1-2.0 parts; The compatibilizer includes maleic acid phenol grafted macromolecules, a terpolymer (SAG) formed by copolymerization of styrene, acrylonitrile, glycidyl methacrylate; One or two or more compatibilizers in the terpolymer formed by copolymerization of methyl methacrylate, butadiene and styrene copolymer are used together.

[0021] (2) The maleic acid grafted polymer includes maleic acid grafted ABS.

[0022] (3) The auxiliary agent includes one or more mixtures of lubricant, nucleating agent, dispersant, thermal oxygen stabilizer;

[0023] (4) The thermal oxygen stabilizer is one or more compounds of hindered phenols, phosphites, and calcium-zinc stabilizers; the lubricant is 0.2 parts of calcium stearate and 0.4 parts of ...

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PUM

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Abstract

The invention discloses a composite material suitable for 3D printing, wherein the composite material comprises the following components in parts by weight: 40-45 parts of polylactic acid (PLA), 40-45 parts of acrylonitrile-butadiene-styrene (ABS), 10-20 parts of carbon fibers, 4-8 parts of a toughening agent, 0.2-5.0 parts of a compatilizer, and 0.1-2.0 parts of an auxiliary agent. The toughening agent comprises styrene-acrylonitrile-butadiene rubber (ABS high glue powder); the compatibilizer comprises a maleic anhydride grafted polymer, and one or two compatibilizers of a ternary copolymer formed by copolymerizing methyl methacrylate, butadiene and a styrene copolymer and a ternary copolymer (SAG) formed by copolymerizing styrene, acrylonitrile and glycidyl methacrylate are in compatibility use. The prepared 3D printing composite material has the advantages of superior comprehensive performance, broad market prospect and application value.

Description

technical field [0001] The invention relates to the field of 3D printing, in particular to a composite material suitable for 3D printing. Background technique [0002] The development of 3D printing technology has put forward new requirements for 3D printing materials. Taking melt extrusion molding technology as an example, it is necessary to design the nozzle temperature comprehensively considering the size of the plastic fuse and the molding performance. If you want to print large hollow parts, you must When considering how to separate the filling material in the center from the surface material, it is also necessary to consider that the two have good cohesion before separation, so as to avoid the collapse of the surface material. [0003] The existing 3D printing consumables are mainly single materials such as polylactic acid, ABS, PA, PVA, etc. Due to the limitations of the above-mentioned materials, the cost of polylactic acid materials is high, and the materials are ea...

Claims

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Application Information

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IPC IPC(8): C08L67/04C08L55/02C08K13/04C08K7/06
Inventor 隋尊阳李文岩林航
Owner HEILONGJIANG XINDA ENTERPRISE GRP
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