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Modified ABS material doped with graphene nanosheet and aluminum nitride nanoparticles for 3D printing and preparation method of modified ABS material

A technology of graphene nanosheets and ABS materials, which is applied in the field of 3D printing, can solve the problems of obvious shrinkage, cracking, and easy warping of materials when they are cold, so as to improve the yellowing phenomenon, enhance the interface adhesion, and reduce the use of materials. volume effect

Inactive Publication Date: 2017-08-04
长沙天科知识产权代理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Among them, ABS resin is the earliest material used in fused deposition modeling (FDM) technology. The printing temperature of this material is 210-260°C, and the glass transition temperature is 105°C. It has many advantages, such as high strength and good toughness. , impact resistance, insulation, corrosion resistance, and low temperature resistance. However, ABS needs to be heated when printing. At the same time, the material shrinks significantly when it is cold, and it is prone to quality problems such as warping and cracking.

Method used

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  • Modified ABS material doped with graphene nanosheet and aluminum nitride nanoparticles for 3D printing and preparation method of modified ABS material
  • Modified ABS material doped with graphene nanosheet and aluminum nitride nanoparticles for 3D printing and preparation method of modified ABS material

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Experimental program
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Effect test

Embodiment 1

[0028] The SBS and ABS were heated at 65°C, dried in vacuum, and mixed with the surfactant evenly; then glass fibers, graphene nanosheets and aluminum nitride nanoparticles were added, mixed, heated at 200°C, and then extruded through a screw and dried to obtain a modified solution. ABS material after sex.

[0029] in,

[0030] SBS 20kg

[0031] ABS 100kg

[0032] Surfactant 1kg

[0033] Fiberglass 20kg

[0034] Graphene Nanosheet 5kg

[0035] Aluminum Nitride Nanoparticles 4kg

Embodiment 2

[0037] The SBS and ABS were heated at 50°C, dried in vacuum, and mixed with the surfactant evenly; then glass fibers, graphene nanosheets and aluminum nitride nanoparticles were added, mixed, heated at 180°C, and then extruded through a screw and dried to obtain a modified solution. ABS material after sex.

[0038] in,

[0039] SBS 40kg

[0040] ABS 100kg

[0041] Surfactant 1kg

[0042] Fiberglass 5kg

[0043] Graphene Nanosheet 2kg

[0044] Aluminum Nitride Nanoparticles 2kg

Embodiment 3

[0046] The SBS and ABS were heated at 70°C, dried in vacuum, and mixed with the surfactant evenly; then glass fibers, graphene nanosheets and aluminum nitride nanoparticles were added, mixed, heated at 180°C, extruded through a screw, and dried to obtain a modified solution. ABS material after sex.

[0047] in,

[0048] SBS 50kg

[0049] ABS 100kg

[0050] Surfactant 2kg

[0051] Fiberglass 10kg

[0052] Graphene Nanosheet 3.2kg

[0053] Aluminum Nitride Nanoparticles 3kg

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Abstract

The invention provides a modified ABS material doped with graphene nanosheet and aluminum nitride nanoparticles for 3D printing and a preparation method of the modified ABS material. The preparation method comprises the following steps: uniformly mixing dried SBS, ABS and a surfactant; and adding glass fiber, a graphene nanosheet and the aluminum nitride nanoparticles, mixing, heating, extruding by virtue of a screw rod, and drying, so as to obtain the modified ABS material. The modified ABS material prepared by virtue of the preparation method is unlikely to warp and crack, and the cold contraction performance of the modified ABS material is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a modified ABS material for 3D printing doped with graphene nanosheets and aluminum nitride nanoparticles and a preparation method thereof. Background technique [0002] 3D printing (3DP) is a type of rapid prototyping technology, which is a technology that constructs objects by layer-by-layer printing based on digital model files and using adhesive materials such as powdered metal or plastic. [0003] 3D printing is usually achieved using digital technology material printers. It is often used to make models in the fields of mold manufacturing, industrial design, etc., and is gradually used for 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L53/02C08K7/14C08K3/04C08K7/00C08K3/38C08K9/12B33Y70/00
CPCC08L55/02B33Y70/00C08K2003/282C08K2201/011C08L2201/08
Inventor 杨科
Owner 长沙天科知识产权代理有限公司
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