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Aluminum pigment for 3D printing high polymer material and preparation method of aluminum pigment

A polymer material, 3D printing technology, applied in the field of aluminum pigments, can solve problems such as affecting the health of production employees, wasting natural resources, polluting the environment, etc., and achieve the effect of reducing VOCs emissions, reducing production costs, and improving compatibility.

Inactive Publication Date: 2018-02-09
安徽天易金属新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, if the 3D printed workpieces on the market want to achieve a metal-like texture, they usually use metal paint spraying, electroplating and chemical plating to achieve this. Such a process not only wastes limited natural resources, but also pollutes the environment and affects the health of production employees.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of aluminum pigment that is used for 3D printing macromolecule material, its production raw material comprises by weight percentage:

[0025] Aluminum pigment 75%: The particle size of the aluminum pigment is between 5-30 μm, and the thickness of the aluminum flake of the aluminum pigment is between 0.5-1.0 μm, and the diameter-thickness ratio is 50-300;

[0026] Carrier resin 15%: the carrier resin is a mixture of polyethylene wax and polylactic acid resin;

[0027] Compatilizer 5%: The compatibilizer is n-butoxy-isopropoxy titanate, isopropyl dioleic acid acyloxy (dioctyl phosphate acyloxy) titanate, isopropyl tri( Dioctyl phosphate acyloxy) titanate mixture;

[0028] Antioxidant 3%: the antioxidant is tetrakis[β-(3,5-di-tert-butyl, 4-hydroxyphenyl) propionate] pentaerythritol ester;

[0029] Lubricant 2%: The lubricant is a mixture of stearic acid and liquid paraffin.

Embodiment 2

[0031] A kind of aluminum pigment that is used for 3D printing macromolecule material, its production raw material comprises by weight percentage:

[0032] Aluminum pigment 77%: The particle size of the aluminum pigment is between 5-30 μm, and the thickness of the aluminum flake of the aluminum pigment is between 0.5-1.0 μm, and the diameter-thickness ratio is 50-300;

[0033] Carrier resin 14%: the carrier resin is a mixture of chitosan and polyvinyl alcohol;

[0034] Compatilizer 4%: The compatibilizer is bis(dioctyl pyrophosphate acyloxy)ethylene titanate, tetraisopropyl bis(dioctyl phosphite acyloxy) titanate, bis(triethanolamine ) a mixture of diisopropyl titanate;

[0035] Antioxidant 2%: the antioxidant is β-(3,5-di-tert-butyl, 4-hydroxyphenyl) octadecyl propionate;

[0036] Lubricant 3%: The lubricant is a mixture of microcrystalline paraffin and butyl stearate.

Embodiment 3

[0038] A kind of aluminum pigment that is used for 3D printing macromolecule material, its production raw material comprises by weight percentage:

[0039] Aluminum pigment 78%: The particle size of the aluminum pigment is between 5-30 μm, and the thickness of the aluminum flake of the aluminum pigment is between 0.5-1.0 μm, and the diameter-thickness ratio is 50-300;

[0040] Carrier resin 12%: the carrier resin is a mixture of polyvinyl acetate and ABS resin;

[0041] Compatilizer 5%: The compatibilizer is isopropyl tris (dioctyl pyrophosphate acyloxy) titanate, bis (dioctyl pyrophosphate acyloxy) ethylene titanate, tetraisopropyl di A mixture of (dioctyl phosphite acyloxy) titanate and bis(triethanolamine) diisopropyl titanate;

[0042] Antioxidant 1%: Antioxidant is 1,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanuric acid;

[0043] Lubricant 4%: The lubricant is a mixture of oleamide and ethylene bisstearamide.

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Abstract

The invention discloses an aluminum pigment for a 3D printing high polymer material. The aluminum pigment comprises the following raw materials in percentage by weight: 75-80% of an aluminum pigment,10-15% of a carrier resin, 3-5% of a compatilizer, 1-3 parts of an antioxidant and 2-4 parts of a lubricant. A preparation method of the aluminum pigment comprises the following steps: uniformly mixing the raw materials according to a formula ratio so as to obtain a mixed material; putting the mixed material into a single screw extruder, and performing extrusion through eight temperature zones of130 DEG C, 140 DEG C, 160 DEG C, 160 DEG C, 160 DEG C, 160 DEG C, 150 DEG C and DEG C, thereby obtaining a finished product. The aluminum pigment has the advantages that the formula of a pre-dispersedaluminum pigment is optimized, the 3D printing high polymer material is adopted as the carrier resin and has an excellent coupling dispersion property and a bridging function of a silane coupling agent, the compatibility of the pre-dispersed aluminum pigment and a main body high polymer material is greatly improved, and the VOCs (Volatile Organic Chemicals) emission is reduced; the aluminum pigment is processed by virtue of the thermal plastic principle of plastic, defective products can be reprocessed, the product pass percent is increased, and the production and manufacturing cost is reduced.

Description

technical field [0001] The invention relates to the technical field of aluminum pigments, in particular to an aluminum pigment for 3D printing polymer materials and a preparation method thereof. Background technique [0002] 3D printing is a technology that uses bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing based on digital model files. 3D printing technology has gradually matured in fields such as automobiles, medical care, toy models, and handicrafts. At present, the widely used plastic 3D printing consumables mainly include ABS, PA, PLA and PVA. [0003] Aluminum pigment, also known as aluminum silver paste, aluminum silver powder, flake aluminum powder, has a smooth and extremely thin scale structure, and is one of the most widely used metal effect pigments. Aluminum pigments have good compactness and excellent anti-corrosion properties; aluminum pigments can reflect visible light and have a silver-white metallic l...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L67/04C08L5/08C08L29/04C08L31/04C08L55/02C08L69/00C08L77/00C08K3/08C08J3/20B33Y70/00
CPCC08J3/20B33Y70/00C08J2405/08C08J2423/06C08J2429/04C08J2431/04C08J2455/02C08J2467/04C08J2469/00C08J2477/00C08K2003/0812C08K2201/003
Inventor 董前年徐曈曈陈雪三叶治宇王蓓蓓朱双单
Owner 安徽天易金属新材料有限公司
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