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3D printing modified ABS material doped with boron nitride nano-sheet and silver nano-particle and preparation method thereof

An ABS material and silver nanoparticle technology, applied in the field of 3D printing, can solve the problems of easy warpage, obvious shrinkage of the material when exposed to cold, cracking, etc., to reduce the amount of use, improve the yellowing phenomenon, and enhance the interface adhesion. Effect

Inactive Publication Date: 2017-09-15
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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  • 3D printing modified ABS material doped with boron nitride nano-sheet and silver nano-particle and preparation method thereof
  • 3D printing modified ABS material doped with boron nitride nano-sheet and silver nano-particle and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Heat SBS and ABS at 65°C, dry in vacuum, and mix with surfactant evenly; then add glass fibers, boron nitride nanosheets and silver nanoparticles, mix, heat at 200°C, extrude through a screw, and dry to obtain a modified After ABS material.

[0029] in,

[0030] SBS 20kg

[0031] ABS 100kg

[0032] Surfactant 1kg

[0033] Fiberglass 20kg

[0034] Boron nitride nanosheets 5kg

[0035] Silver nanoparticles 4kg

Embodiment 2

[0037] Heat SBS and ABS at 50°C, dry in vacuum, and mix with surfactant evenly; then add glass fibers, boron nitride nanosheets and silver nanoparticles, mix, heat at 180°C, extrude through a screw, and dry to obtain modified After ABS material.

[0038] in,

[0039] SBS 40kg

[0040] ABS 100kg

[0041] Surfactant 1kg

[0042] Fiberglass 5kg

[0043] Boron nitride nanosheets 2kg

[0044] Silver nanoparticles 2kg

Embodiment 3

[0046] Heat SBS and ABS at 70°C, dry in vacuum, and mix with surfactant evenly; then add glass fibers, boron nitride nanosheets and silver nanoparticles, mix, heat at 180°C, extrude through a screw, and dry to obtain modified After ABS material.

[0047] in,

[0048] SBS 50kg

[0049] ABS 100kg

[0050] Surfactant 2kg

[0051] Fiberglass 10kg

[0052] Boron nitride nanosheets 3.2kg

[0053] Silver nanoparticles 3kg

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Abstract

The invention provides a modified ABS material for 3D printing doped with boron nitride nanosheets and silver nanoparticles and a preparation method thereof. The preparation method is to uniformly mix the dried SBS and ABS with a surfactant; then add Glass fibers, boron nitride nanosheets and silver nanoparticles are mixed, heated, extruded through a screw, and dried to obtain a modified ABS material. The modified ABS material for 3D printing prepared by the present invention is less prone to warping and cracking, and its shrinkage performance when cold is significantly 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 boron nitride nanosheets and silver nanoparticles and a preparation method thereof. Background technique [0002] 3D printing (3DP) 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. [0003] 3D printing is usually achieved using digital technology material printers. It is often used to make models in the fields of mold manufacturing and industrial design, and is gradually used in the direct manufacture 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, geog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L53/02C08K13/04C08K7/14C08K7/00C08K3/38C08K3/08B33Y70/00
CPCC08L55/02B33Y70/00C08K2003/0806C08K2003/385C08K2201/011
Inventor 杨科
Owner 长沙天科知识产权代理有限公司
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