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ABS (acrylonitrile-butadiene-styrene) composite material applicable to 3D printing and preparation method thereof

A composite material and 3D printing technology, applied in the field of composite materials, can solve the problems of high configuration requirements of 3D printers, limited service life and limitations of 3D printers, and achieve the effect of simple preparation process

Inactive Publication Date: 2014-11-26
TAICANG BIQI NEW MATERIAL RES & DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the printing temperature needs to be 230~270°C, which requires a higher configuration of the 3D printer
[0005] 3D printing technology cannot be promoted and applied on a large scale at present, mainly limited to 3D printing materials
This requires maintaining a high printing temperature, usually greater than 200 ° C, which puts forward higher configuration requirements for the 3D printer, and the service life of the 3D printer is therefore limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Crush 60g of ABS plastic with a viscosity average molecular weight of 5000~100000 into 40~60 mesh particles; add 0.2g of 3-aminopropyltrimethoxysilane to 30g of acetone under a nitrogen atmosphere, place it at room temperature for 24 hours, and then Add 0.1g of hydroquinone, 1g of tricresyl phosphate and 8.7g of methyl 2-cyanoacrylate, stir at room temperature for 2 hours, then add 60g of ABS particles, and continue stirring at room temperature for 6 hours to obtain an ABS composite material that can be used for 3D printing . The material is 3D printed at 30°C, and the density of the material after molding is 0.801g / cm 3 , the tensile strength is 71N / cm, the flexural modulus is 2830MPa, and the shrinkage rate is 0.86%.

Embodiment 2

[0029] Crush 40g of ABS plastic with a viscosity-average molecular weight of 100,000-400,000 into 60-80 mesh particles; add 0.5g of 3-aminopropyltrimethoxysilane to 24g of acetone under a nitrogen atmosphere, place it at room temperature for 72 hours, and then Add 0.5 g of hydroquinone, 5 g of tricresyl phosphate, and 30 g of methyl 2-cyanoacrylate, stir at room temperature for 6 hours, then add 40 g of ABS particles, and continue stirring at room temperature for 12 hours to obtain an ABS composite material that can be used for 3D printing. The material is 3D printed at 50°C, and the density of the material after molding is 0.891g / cm 3 , the tensile strength is 104N / cm, the flexural modulus is 3630MPa, and the shrinkage rate is 0.92%.

Embodiment 3

[0031] Crush 44g of ABS plastic with a viscosity-average molecular weight of 400,000~700,000 into 60~80 mesh particles; add 0.5g of 3-aminopropyltrimethoxysilane to 30g of acetone under a nitrogen atmosphere, place it at room temperature for 72 hours, and then Add 0.5 g of hydroquinone, 5 g of tricresyl phosphate and 20 g of methyl 2-cyanoacrylate, stir at room temperature for 4 hours, then add 44 g of ABS particles, and continue stirring at room temperature for 8 hours to obtain an ABS composite material that can be used for 3D printing. The material is 3D printed at 40°C, and the density of the material after molding is 0.921g / cm 3 , the tensile strength is 94N / cm, the flexural modulus is 3230MPa, and the shrinkage rate is 0.88%.

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PUM

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Abstract

The invention discloses an ABS (acrylonitrile-butadiene-styrene) composite material applicable to 3D printing and a preparation method thereof. The preparation method comprises the following steps: adding 3-aminopropyltrimethoxy silane into acetone, standing at room temperature, sequentially adding hydroquinone, tritolyl phosphate and methyl 2-cyanoacrylate, stirring at room temperature, adding ABS particles, and continuing stirring at room temperature to obtain the ABS composite material applicable to 3D printing. The content of the ABS is 40-60%, the content of the methyl 2-cyanoacrylate is 5-30%, the content of the tritolyl phosphate is 1-5%, the content of the acetone is 20-30%, the content of the 3-aminopropyltrimethoxy silane is 0.2-0.5%, and the content of the hydroquinone is 0.1-0.5%. The composite material disclosed by the invention can be used for 3D printing within the temperature range of 30-50 DEG C, and overcomes the defect that the conventional 3D printing needs to melt the high-molecular polymers under high-temperature conditions; and the preparation method has the advantages of simple technique and low production cost.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and relates to an ABS composite material that can be used for 3D printing and a preparation method thereof. Background technique [0002] 3D (three-dimensional) molding technology is a product manufacturing method that uses plastic materials for layer-by-layer or point-by-point integral accumulation. A hundred years ago, the rudiment of its idea appeared, including the example of using layered methods to make three-dimensional map models. The basic principle is to collect the three-dimensional structure information of related objects according to the "layered accumulation" method, model the data, and perform layered decomposition to form respective data files by layer, that is, a series of two-dimensional layer data; and then The processing path is reversely established according to different forming processes; finally, a three-dimensional product entity is manufactured layer by lay...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F287/00C08F2/44C08K5/523C08K5/544
Inventor 蓝碧健
Owner TAICANG BIQI NEW MATERIAL RES & DEV
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