ABS (acrylonitrile butadiene styrene) material used for 3D (three dimensional) printing and manufacturing process thereof

An ABS material and 3D printing technology, applied in the field of 3D printing, can solve problems such as easy breakage, insufficient product strength, cracking, etc., and achieve the effects of enhancing strength, improving uniform mixing, and good material properties

Inactive Publication Date: 2014-10-01
FLYBALL ELECTRONIC SHENZHEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, 3D printing commonly used ABS materials of plastic materials adopts the manufacturing method of "layer-by-layer superimposition, inter-layer bonding", but limited by the strength and bonding performance of the material itself, the strength of the printed product is not enough. It is prone to breakage, cracking and other problems, which greatly hinders the development of 3D printing technology

Method used

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  • ABS (acrylonitrile butadiene styrene) material used for 3D (three dimensional) printing and manufacturing process thereof
  • ABS (acrylonitrile butadiene styrene) material used for 3D (three dimensional) printing and manufacturing process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The ABS material includes 50kg of ABS resin, including: 50kg of bulk ABS with a rubber particle size of 0.8-1.0μm; 10kg of glass fiber with a monofilament diameter of 3-10μm and an aspect ratio L / D=5; Sodium 8kg; Ethylene bis stearic acid amide 3kg; Ethyl acetate 5kg;

[0024] The above-mentioned components are mixed and stirred in a mixer at room temperature for 10 minutes, and then extruded through a twin-screw extruder with a length-to-diameter ratio (L / D) of 1 / 25. The reaction temperature is: 200°C in the rear section , 200 ° C in the middle section, 210 ° C in the front section, and the screw speed is 120 rpm.

Embodiment 2

[0026] ABS materials include 65 kg of ABS resin, including 35 kg of bulk ABS with a rubber particle size of 0.8-1.0 μm, 30 kg of bulk ABS with a rubber particle size of 0.1-0.2 μm; =15 glass fiber 15kg; sodium methylene dinaphthalene sulfonate 8kg; ethylene bis stearic acid amide 4kg; ethyl acetate 7kg;

[0027] The above-mentioned components are mixed and stirred for 20 minutes in a mixer at room temperature, and then extruded through a parallel twin-screw extruder with a length-to-diameter ratio (L / D) of 1 / 36. The reaction temperature is: 190°C, 210°C in the middle section, 220°C in the front section, and the screw speed is 180rpm.

Embodiment 3

[0029] ABS materials include 70kg of ABS resin, including 30kg of bulk ABS with a rubber particle size of 0.8-1.0μm, 15kg of bulk ABS with a rubber particle size of 0.1-0.2μm, and 25kg of bulk ABS with a rubber particle size of 1.5-3.0μm; 20kg of glass fibers with a diameter of 3-5μm and an aspect ratio L / D=10; 7kg of sodium methylene bis-naphthalene sulfonate; 5kg of ethylene bis-stearic acid amide; 10kg of ethyl acetate;

[0030] The above-mentioned components are mixed and stirred for 40 minutes in a mixer at room temperature, and then extruded through a parallel twin-screw extruder with a length-to-diameter ratio (L / D) of 1 / 36. The reaction temperature is: 210°C, middle stage 210°C, front stage 230°C, screw speed 160rpm.

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Abstract

The invention discloses an ABS (acrylonitrile butadiene styrene) material used for 3D (three dimensional) printing. The ABS material consists of the following materials in parts by weight: 50-70 parts of ABS resin, 10-30 parts of flexibilizer, 7-9 parts of diffusant, 3-5 parts of lubricant and 5-15 parts of binder. The invention further discloses a process for preparing the ABS material. According to the invention, main body ABS with different rubber grain sizes is mixed and aggregated, glass fiber, and the like, are added, so that ABS resin is strengthened and toughened, and therefore, the ABS resin can be used for 3D printing better. The ABS material provided by the invention can be used for preparing a printing material for three-dimensional printing, fusion-depositing and rapid-forming.

Description

technical field [0001] The invention relates to the field of 3D printing, in particular to an ABS material used in 3D printing; the invention also relates to a process for preparing the ABS material. Background technique [0002] 3D printing is a kind of rapid prototyping technology. It is a technology based on digital model files and using bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing. 3D printing technology is generally used in the fields of mold manufacturing and industrial design, especially in the manufacture of samples before production. With the development of technology, it is gradually used in the direct manufacture of some products. In the prior art, 3D printing commonly used ABS materials of plastic materials adopts the manufacturing method of "layer-by-layer superimposition, inter-layer bonding", but limited by the strength and bonding performance of the material itself, the strength of the printed product is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08K13/04C08K7/14C08K5/42C08K5/20C08K5/101B29C47/92B29C48/92
CPCB29B7/46B29B9/065B29B9/14B29B7/90B29C47/92B29B7/72B29C2947/92609B29C48/40B29C48/92B29C2948/9259B29C2948/92609B29C2948/92704
Inventor 蔡洁荣
Owner FLYBALL ELECTRONIC SHENZHEN CO LTD
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