3D printing material as well as preparation method and application thereof

A technology of 3D printing and materials, applied in the field of 3D printing, can solve the problems of waste of raw materials, complicated and expensive equipment, insufficient precision, etc., and achieve the effect of saving raw materials, improving product yield, and increasing solid content

Active Publication Date: 2018-09-07
KUNSHAN KADAM NEW MATERIAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In view of the deficiencies in the prior art, the object of the present invention is to provide a 3D printing material, its preparation method and application, the solid content of the non-metallic material in the 3D printing material is significantly improved, and the 3D printing product obtained by it has a high temperature The sintering size shrinkage is small and the variation is small, and the product yield rate is improved; at the same time, it avoids the waste of raw materials, complex and expensive equipment, and insufficient precision caused by the solidification form of the feeding material when the existing powder injection molding technology is combined with the photosensitive resin of the 3D printing technology. problem, its preparation method is simple and can be widely used in 3D printing

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  • 3D printing material as well as preparation method and application thereof

Examples

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Effect test

Embodiment 1

[0087] A non-metallic 3D printing material with a high solid content, which is in the shape of a wire, and contains 44vol% zirconia ceramic powder, 55.5vol% of the first binder and 0.5vol% of the second binder by volume.

[0088] The preparation method of described high solid content non-metallic 3D printing material comprises the following steps:

[0089] (1) Mix zirconia ceramic powder with a particle size distribution D90 of 0.5-1.0 μm and the second binder (phenolic resin solution), spray dry and granulate, and dry at 120°C to obtain semi-cured powder Agglomerated particles with a particle size distribution D90 of 30-100 μm;

[0090] (2) Mix the zirconia ceramic powder with the first binder, the first binder includes: polyoxymethylene 85wt%, backbone polymer 11wt%, plasticizer 1wt%, antioxidant 0.5wt%, thermal stability 0.5wt% of agent, 1wt% of toughening agent, and 1wt% of lubricant polymer; add the raw materials into the internal mixer, and knead at 180°C for 1h;

[00...

Embodiment 2

[0098] A non-metallic 3D printing material with high solid content, which is in the shape of a wire, and contains 40vol% zirconia ceramic powder, 59.2vol% first binder and 0.8vol% second binder by volume.

[0099] The preparation method of described high solid content non-metallic 3D printing material comprises the following steps:

[0100] (1) Mix zirconia ceramic powder with a particle size distribution D90 of 0.5-1.0 μm and the second binder (phenolic resin solution) and then spray dry and granulate at a temperature of 120°C to obtain a semi-cured powder Agglomerates with a particle size distribution D90 of 30 to 100 μm;

[0101] (2) Mix the zirconia ceramic powder with the first binder, the first binder includes: polyoxymethylene 85wt%, backbone polymer 11wt%, plasticizer 1wt%, antioxidant 0.5wt%, thermal stability 0.5wt% of agent, 1wt% of toughening agent, and 1wt% of lubricant polymer; add the raw materials into the internal mixer, and knead at 180°C for 1h;

[0102] (...

Embodiment 3

[0109] A high-solid content non-metallic 3D printing material, which is in the form of a wire, and contains 50vol% alumina-zirconia ceramic powder and 49vol% first binder and 1.0vol% second binder by volume .

[0110] The preparation method of described high solid content non-metallic 3D printing material comprises the following steps:

[0111] (1) Mix alumina-zirconia ceramic powder with a particle size distribution D90 of 0.5-1.0 μm and the second binder (phenolic resin solution), spray dry and granulate, and dry at 120°C to obtain semi-cured State powder particles, the particle size distribution D90 is 30 ~ 100μm;

[0112] (2) Mix the alumina-zirconia ceramic powder with the first binder, the first binder includes: polyoxymethylene 85wt%, backbone polymer 11wt%, plasticizer 1wt%, antioxidant 0.5wt% , 0.5wt% heat stabilizer, 1wt% toughening agent, 1wt% lubricant polymer; adding the raw materials into the internal mixer, mixing at 180°C for 1h;

[0113] (3) Utilize an extr...

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Abstract

The invention provides a 3D printing material as well as a preparation method and an application thereof. The 3D printing material is linear and prepared from the following raw materials in percentageby weight: 16%-82% of a non-metallic material, 17.9%-83% of a first binder and 0.1%-1% of a second binder by steps as follows: the non-metallic material is pretreated and mixed with the first binder,and the mixture is extruded. Due to the significant increase of the solid content of the non-metallic material, a 3D printing product obtained from the 3D printing material has small high-temperaturesintering size shrinkage and less variation, and the product yield is increased; waste of raw materials is avoided, precision of the product surface can be controlled by controlling different line diameters and heating temperature, and quality of the product is improved; besides, the 3D printing material can be heated and melted by simple thermocouple, so that energy consumption is reduced, production cost is reduced, the complex product can be printed and manufactured rapidly, the development process is shortened, and mass production and popularization are achieved.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and relates to a 3D printing material, its preparation method and application. Background technique [0002] 3D printing technology, also known as three-dimensional printing technology, is a technology based on digital model files, using powder or plastic and other bondable materials to construct objects by layer-by-layer printing. It can directly generate parts of any shape from computer graphics data without machining or any molds, thereby greatly shortening the product development cycle, improving productivity and reducing production costs. Products such as lampshades, body parts, jewelry, football boots customized to the player's foot, racing car parts, solid-state batteries, and customized mobile phones and violins can all be manufactured using this technology. [0003] 3D printing technology is actually a general term for a series of rapid prototyping technologies. Its basic principle ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/48C04B35/10C04B35/52C04B35/565C04B35/584C04B35/622B33Y70/00
CPCB33Y70/00C04B35/10C04B35/48C04B35/522C04B35/565C04B35/584C04B35/622C04B2235/3217C04B2235/3244C04B2235/5436C04B2235/5445C04B2235/6026C04B2235/656C04B2235/6567C04B2235/6581C04B2235/6583B33Y10/00B33Y80/00B33Y40/10B33Y40/20C04B35/119C04B35/486C04B35/4885C04B35/62655C04B35/62685C04B35/62695C04B35/63476C04B35/63488C04B35/638C04B2235/3826C04B2235/3873C04B2235/425C04B2235/5427C04B2235/6021B28B1/001B33Y70/10C04B35/587C04B35/64C04B2235/606
Inventor 侯春树周龙金侯文洁
Owner KUNSHAN KADAM NEW MATERIAL TECH CO LTD
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