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Water-based ceramic material for 3D printing and preparation method thereof

A technology of 3D printing and ceramic materials, applied in the field of composite materials, can solve the problems of reducing ceramic products, high cost of additives, non-environmental protection, etc., and achieve the effect of ensuring environmental protection and good physical and chemical stability

Inactive Publication Date: 2020-07-03
泉州市鑫诚美工艺品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technology of the first method is derived from industrial ceramic technology. The disadvantages are: high cost and large addition ratio of additives, high requirements for ceramic raw materials, subsequent degreasing treatment, high shrinkage rate of finished products and not environmental protection
The second way is to change the ratio of ceramic components. It is a compromise solution to increase plasticity. The disadvantages are: the use of ceramic raw materials is limited, and the whiteness, transparency, and high temperature stability of ceramic products are reduced due to the introduction of a large amount of bentonite. sex and other key indicators
Therefore, the existing ceramic materials for 3D printing have relatively high environmental pollution, high production costs, and poor product performance, making it difficult to meet the actual needs of industrialization and mass production.

Method used

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  • Water-based ceramic material for 3D printing and preparation method thereof
  • Water-based ceramic material for 3D printing and preparation method thereof
  • Water-based ceramic material for 3D printing and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0027] A method for preparing a water-based ceramic material for 3D printing, comprising the following steps:

[0028] S1, the ceramic base material is successively subjected to coarse crushing, medium crushing, fine crushing, screening, pressure filtration, and mud refining to obtain raw mud;

[0029] S2. Add sodium polyacrylate, 9 parts of PEG-6000, 7 parts of PEG-500, 0.08 parts of sodium carboxymethylcellulose and 0.7 parts of glycerin in the modifier to industrial water, and stir at a medium speed for 20 minutes until Dissolve completely, make modification solution; The ratio of the addition amount of described modification agent and industrial water is 0.002:26;

[0030] S3, adding the raw mud to the modified solution prepared in step S2, and stirring in stages under vacuum conditions to obtain the mud; the ratio of the added amount of the raw mud, modifier and industrial water is 100: 0.002:26; described modifying agent is also added with Kathon; the addition of descri...

Embodiment 2

[0038] A method for preparing a water-based ceramic material for 3D printing, comprising the following steps:

[0039] S1, the ceramic base material is successively subjected to coarse crushing, medium crushing, fine crushing, screening, pressure filtration, and mud refining to obtain raw mud;

[0040]S2. Add sodium polyacrylate, PEG-6000, 7 parts of PEG-500, 0.08 parts of carboxymethylcellulose sodium and 0.7 parts of glycerin in the modifier to industrial water, stir at a medium speed for 20 minutes until completely dissolved, A modified solution is obtained; the ratio of the added amount of the modifier and industrial water is 0.002:26;

[0041] S3, adding the raw mud to the modified solution prepared in step S2, and stirring in stages under vacuum conditions to obtain the mud; the ratio of the added amount of the raw mud, modifier and industrial water is 100: 0.002:26; described modifying agent is also added with Kathon; the addition of described Kathon accounts for 0.08%...

Embodiment 3

[0049] A method for preparing a water-based ceramic material for 3D printing, comprising the following steps:

[0050] S1, the ceramic base material is successively subjected to coarse crushing, medium crushing, fine crushing, screening, pressure filtration, and mud refining to obtain raw mud;

[0051] S2. Add 0.008 parts of sodium polyacrylate, PEG-6000, 7 parts of PEG-500, sodium carboxymethylcellulose and 0.7 parts of glycerin in the modifier to industrial water, stir at a medium speed for 20 minutes until completely dissolved, A modified solution is obtained; the ratio of the added amount of the modifier and industrial water is 0.002:26;

[0052] S3, adding the raw mud to the modified solution prepared in step S2, and stirring in stages under vacuum conditions to obtain the mud; the ratio of the added amount of the raw mud, modifier and industrial water is 100: 0.002:26; described modifying agent is also added with Kathon; the addition of described Kathon accounts for 0.0...

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Abstract

The invention discloses a water-based ceramic material for 3D printing and a preparation method thereof. The water-based ceramic material for 3D printing comprises raw mud prepared by a ceramic mud treatment process, a modifier and industrial water, wherein the addition amount ratio of the raw mud to the modifier to the industrial water is (95 to 105) to (0.001 to 0.003) to (18 to 35); and the modifier comprises following components in parts by weight: 0.001 to 0.1 part of sodium polyacrylate, 1 to 10 parts of PEG-6000, 1 to 10 parts of PEG-500, 0.06 to 0.1 part of sodium carboxymethyl cellulose, 0.5 to 0.8 part of glycerol and 0.05 to 0.2 part of a sodium silicate solution. Meanwhile, an existing preparation method of the water-based ceramic material for 3D printing is improved; by adopting the water-soluble, non-toxic and pollution-free modifier, the ceramic material can be suitable for various ceramic raw materials, the whiteness, transparency, stability, shrinkage rate and other properties of the original finished product of the ceramic material are not changed, and the original ceramic industry basis and subsequent processing technical equipment can be reasonably utilized.

Description

technical field [0001] The invention relates to the field of composite materials, in particular to a 3D printing water-based ceramic material 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 ceramics, metals or plastics to construct objects by layer-by-layer printing. [0003] At present, 3D ceramic printers using quantitative accumulation molding have certain requirements for the plasticity, cohesiveness, lubricity and moisture retention of the mud, and ceramic materials specially suitable for extrusion are required. Among them, plasticity is the most critical. After extrusion from the nozzle, the original shape should be kept unchanged immediately, and there should be a certain mechanical support to ensure that the upper layer is evenly extruded and flattened; The molded part does not crack; the lubricity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/04C04B33/13C04B35/632C04B35/634C04B35/636B33Y70/10
CPCB33Y70/00C04B33/04C04B33/13C04B33/1305C04B35/632C04B35/63404C04B35/63448C04B35/6365C04B2235/6026
Inventor 李振刚
Owner 泉州市鑫诚美工艺品有限公司
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