A kind of clay mud material for direct molding 3D ceramic printing and its preparation method and application

A technology of 3D printing and ceramic aggregates, applied in the field of 3D printing, to achieve the effect of simple and easy preparation method, high printing accuracy, simple and reliable control method

Active Publication Date: 2022-05-17
JINGDEZHEN CERAMIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is also the reason why the direct rapid prototyping process of ceramics is not yet mature and is still in the research stage.

Method used

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  • A kind of clay mud material for direct molding 3D ceramic printing and its preparation method and application
  • A kind of clay mud material for direct molding 3D ceramic printing and its preparation method and application
  • A kind of clay mud material for direct molding 3D ceramic printing and its preparation method and application

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Embodiment 1

[0036] 1. In this embodiment, a method for preparing clay mud for direct molding 3D ceramic printing, the steps are as follows:

[0037] (1) Dissolve 1g of sodium polyphosphate in 60g of deionized water and mix evenly to obtain a dispersant solution;

[0038] (2) 183g of calcined kaolin (d50=0.5μm) was gradually added to the dispersant solution under high-speed stirring (4000rpm) and mixed uniformly to obtain suspension A;

[0039] (3) 0.488g of guar gum powder was also added into suspension A under high-speed stirring to form suspension B;

[0040] (4) Add 0.244g sodium carboxymethyl cellulose (viscosity 300-800mPa·s) into the suspension B, and continue to stir for 60 minutes to obtain a clay slurry for direct molding 3D ceramic printing with a solid content of 74.8%.

[0041] 2. In this embodiment, an application of clay mud material for direct molding 3D ceramic printing is used for direct molding 3D printing ceramic devices, and the steps are as follows:

[0042] (1) Put...

Embodiment 2

[0048] 1. In this embodiment, a method for preparing clay mud for direct molding 3D ceramic printing, the steps are as follows:

[0049] (1) Dissolve 1g of sodium polyphosphate in 60g of deionized water and mix evenly to obtain a dispersant solution;

[0050] (2) 180g ceramic aggregate powder (it is composed of: kaolin 70%, calcite 4%, albite 2%, talc 5%, α-Al 2 o 3 16.5%, BaCO 3 1%, SiO 2 1.5%), under high-speed stirring conditions (4000rpm), gradually added to the dispersant solution and mixed evenly to obtain suspension A;

[0051] (3) 0.50g of guar gum powder is also added to suspension A under high-speed stirring to form suspension B;

[0052] (4) Add 0.25g sodium carboxymethyl cellulose (viscosity 300-800mPa·s) and 0.35g polyvinyl alcohol 1799 into the suspension B, and continue to stir for 60min to obtain the clay slurry for direct molding 3D ceramic printing. The solid content is 74.3%.

[0053] 2. In this embodiment, an application of clay mud material for di...

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Abstract

The invention discloses a clay mud material for direct molding 3D ceramic printing, which is composed of: ceramic aggregate powder: guar gum powder: dispersant: thickener: deionized water = 180-185: 0.4-0.6: 1.0-1.5: 0.2-0.6: 40-70. In addition, the preparation method and application of the clay mud are also disclosed. The clay mud material of the present invention has high solid content and good shear thinning performance, and is suitable for the preparation of 3D printing ceramic devices by direct molding method. It can be gradually dried and solidified during the 3D printing process at room temperature, so as to obtain a predetermined structure without Collapse, high printing accuracy, can well meet the needs of 3D printing direct molding.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a direct molding 3D ceramic printing clay slurry and its preparation method and application. Background technique [0002] 3D printing technology is a technology to manufacture three-dimensional products by adding materials layer by layer through 3D printing equipment based on the designed 3D model. This layer-by-layer accumulation forming technology is also called additive manufacturing. 3D printing integrates digital modeling technology, electromechanical control technology, information technology, material science and chemistry and many other fields. It is a kind of rapid prototyping technology and is known as the core technology of the "third industrial revolution". [0003] 3D printing materials mainly include plastics, metals, resins, rubber, ceramics, etc. Among them, ceramic materials have excellent characteristics such as high strength, high hardness, high temperatu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13B33Y70/10
CPCC04B33/13C04B35/6313C04B35/63416C04B35/6365B33Y70/00C04B2235/3215C04B2235/3217C04B2235/3208C04B2235/6026C04B2235/3445C04B2235/3472
Inventor 常启兵施德太邱瀚仡付斌汪永清周健儿
Owner JINGDEZHEN CERAMIC UNIV
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