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A kind of 3D printing ceramic nanopowder and preparation method thereof

A 3D printing and nano-powder technology, applied in the field of 3D printing materials, can solve the problems of poor compatibility between inorganic particles and polymer bodies, low mechanical properties and low curing shrinkage, and achieve low curing shrinkage, high mechanical properties and performance. stable effect

Active Publication Date: 2021-03-19
安徽超齿科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a 3D printing ceramic nanopowder and its preparation method in view of the deficiencies of the above-mentioned prior art. The 3D printing ceramic nanopowder overcomes the disadvantage of poor compatibility between inorganic particles and polymer bodies, With photoreactive properties, stable performance, higher mechanical properties and lower curing shrinkage, suitable for light-curing 3D printing

Method used

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  • A kind of 3D printing ceramic nanopowder and preparation method thereof
  • A kind of 3D printing ceramic nanopowder and preparation method thereof

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Embodiment 1

[0024] The 3D printing ceramic nanopowder of present embodiment, raw material comprises following components: sodium silicate solution and photothermal initiator, and the mixed solution of trimethylolpropane triacrylate and acrylic acid; The quality of described sodium silicate solution The concentration is 1%; the quality of the photothermal initiator is 0.3% of the quality of the sodium silicate solution, and the mass content of trimethylolpropane triacrylate in the mixed solution of trimethylolpropane triacrylate and acrylic acid 50%.

[0025] The photothermal initiator is a mixture of 1-hydroxycyclohexyl phenyl ketone and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 1-hydroxy cyclohexyl phenyl ketone and 2, The mass ratio of 4,6-trimethylbenzoyl-diphenylphosphine oxide is 1:1.

[0026] The preparation method of the 3D printing ceramic nanopowder of this embodiment is:

[0027] Step 1. Add sodium silicate to deionized water, heat and stir to dissolve the sodium silicat...

Embodiment 2

[0033] The 3D printing ceramic nanopowder of present embodiment, raw material comprises following components: sodium silicate solution and photothermal initiator, and the mixed solution of trimethylolpropane triacrylate and acrylic acid; The quality of described sodium silicate solution The concentration is 25%; the quality of the photothermal initiator is 0.5% of the quality of the sodium silicate solution, and the mass content of trimethylolpropane triacrylate in the mixed solution of trimethylolpropane triacrylate and acrylic acid was 33.3%.

[0034] The photothermal initiator is a mixture of 1-hydroxycyclohexyl phenyl ketone and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 1-hydroxy cyclohexyl phenyl ketone and 2, The mass ratio of 4,6-trimethylbenzoyl-diphenylphosphine oxide is 1:0.05.

[0035] The preparation method of the 3D printing ceramic nanopowder of this embodiment is:

[0036] Step 1. Add sodium silicate to deionized water, heat and stir to dissolve the sodi...

Embodiment 3

[0042] The 3D printing ceramic nanopowder of present embodiment, raw material comprises following components: sodium silicate solution and photothermal initiator, and the mixed solution of trimethylolpropane triacrylate and acrylic acid; The quality of described sodium silicate solution The concentration is 50%; the quality of the photothermal initiator is 5% of the quality of the sodium silicate solution, and the mass content of trimethylolpropane triacrylate in the mixed solution of trimethylolpropane triacrylate and acrylic acid 25%.

[0043] The photothermal initiator is a mixture of 1-hydroxycyclohexyl phenyl ketone and 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, 1-hydroxy cyclohexyl phenyl ketone and 2, The mass ratio of 4,6-trimethylbenzoyl-diphenylphosphine oxide is 1:3.

[0044] The preparation method of the 3D printing ceramic nanopowder of this embodiment is:

[0045] Step 1. Add sodium silicate to deionized water, heat and stir to dissolve the sodium silicate t...

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Abstract

The invention discloses 3D printing ceramic nano powder which comprises the following raw materials: a sodium silicate solution, a photo-thermal initiator and a mixed solution of trimethylolpropane triacrylate and acrylic acid, wherein the mass concentration of the sodium silicate solution is 1-50%; the mass of the photo-thermal initiator accounts for 0.3-5% of the mass of the sodium silicate solution; and the mass content of the trimethylolpropane triacrylate in the mixed solution of the trimethylolpropane triacrylate and the acrylic acid is 16-50%. The invention furthermore provides a methodfor preparing the 3D printing ceramic nano powder. The 3D printing ceramic nano powder disclosed by the invention overcomes the defect that inorganic particles are poor in compatibility with a polymer organism, has a light reaction property and is applicable to photo-curing 3D printing, and the 3D printing ceramic nano powder prepared by using the method is stable in property, good in mechanicalproperty and low in curing shrinkage rate.

Description

technical field [0001] The invention belongs to the technical field of 3D printing materials, and in particular relates to a 3D printing ceramic nano powder and a preparation method thereof. Background technique [0002] 3D printing technology is a kind of rapid prototyping technology. It is an emerging technology based on digital model files, using bondable materials such as powdered metal or plastic, and printing layer by layer through digital technology material printers to construct objects. In mold manufacturing, industrial design and other fields, 3D printing technology is usually used to manufacture models, and then gradually used for direct manufacturing of some products such as parts. 3D printing technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction, automotive, aerospace, medical industry, education, geographic information systems, civil engineering, and more. [0003] Metals, ceramics and resins are common...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F222/14C08F220/06C08F2/44C08F2/48C08K3/36C08L35/02C08L33/02B33Y70/10
CPCB33Y70/00C08F2/44C08F2/48C08F220/06C08F222/10C08K3/36C08F222/103C08L35/02C08L33/02
Inventor 吴振行
Owner 安徽超齿科技有限公司
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