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Ceramic material for 3D (three-dimensional) light curing forming printing and preparation method thereof

A technology of photocuring molding and ceramic materials, applied in the field of 3D printing, can solve the problems of lack of high precision, shape ceramic materials, etc.

Inactive Publication Date: 2016-05-11
SHANGHAI UNION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a ceramic material for 3D photo-curing molding printing and its preparation method, which is used to solve the lack of SL suitable for high precision and complex shapes in the prior art. , Problems with ceramic materials for DLP photocuring and 3D printing

Method used

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  • Ceramic material for 3D (three-dimensional) light curing forming printing and preparation method thereof
  • Ceramic material for 3D (three-dimensional) light curing forming printing and preparation method thereof

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0143] Take the photoinitiator and reactive diluent into a three-necked flask, and stir and mix at 30°C for 20min. Then add photocurable resin prepolymer, stir and mix at 30° C. for 30 minutes to obtain photocurable resin. The weight ratio of photocurable resin prepolymer, reactive diluent and photoinitiator is 85:10:5. Wherein, the photocurable resin prepolymer is selected from two mixtures of acrylic resin and epoxy resin, and the weight ratio of acrylic resin and epoxy resin is 70:20. The acrylic resin is bisphenol A diglycidyl ether diepoxy acrylic resin and polyurethane acrylate. The epoxy resin is bisphenol A diglycidyl ether diepoxy resin and glycidyl ester epoxy resin. The reactive diluent is an acrylate monomer, and the acrylate monomer is ethoxylated trimethylol acrylate. The photoinitiator is selected from the mixture of cationic photoinitiator and free radical photoinitiator, and the weight ratio of cationic photoinitiator and free radical photoinitiator is 1:2....

Embodiment 2

[0147] Take the photoinitiator and reactive diluent into a three-necked flask, and stir and mix at 40°C for 30min. Then add photocurable resin prepolymer, stir and mix at 40° C. for 30 minutes to obtain photocurable resin. The weight ratio of photocurable resin prepolymer, reactive diluent and photoinitiator is 100:30:10. Wherein, the photocurable resin prepolymer is selected from two mixtures of acrylic resin and epoxy resin, and the weight ratio of acrylic resin and epoxy resin is 80:20. The acrylic resin is bisphenol A diglycidyl ether diepoxy acrylic resin. The epoxy resin is bisphenol A diglycidyl ether diepoxy resin. The active diluent is an acrylate monomer, and the acrylate monomer is tricyclodecanyl dimethanol diacrylate. The photoinitiator is selected from the mixture of cationic photoinitiator and free radical photoinitiator, and the weight ratio of cationic photoinitiator and free radical photoinitiator is 1:4. The cationic photoinitiator is bis-2,6-difluoro-3-...

Embodiment 3

[0151] Take the photoinitiator and put it into a three-necked flask, and stir and mix at 40°C for 20min. Then add photocurable resin prepolymer, stir and mix at 40° C. for 20 minutes to obtain photocurable resin. The weight ratio of photocurable resin prepolymer and photoinitiator is 25:2. Wherein, the photocurable resin prepolymer is selected from two mixtures of acrylic resin and epoxy resin, and the weight ratio of acrylic resin and epoxy resin is 80:5. The acrylic resin is urethane acrylate. The epoxy resin is a dicyclopentadiene phenol type epoxy resin. The photoinitiator is selected from the mixture of cationic photoinitiator and free radical photoinitiator, and the weight ratio of cationic photoinitiator and free radical photoinitiator is 1:5. The cationic photoinitiator is 4-isobutylphenyl-4'-methylphenyliodonium hexafluorophosphate. The free radical photoinitiator is 1-hydroxycyclohexyl phenyl ketone.

[0152] The surface modifier is used to modify the inorganic ...

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Abstract

The invention provides a ceramic material for 3D (three-dimensional) light curing forming printing. The ceramic material is prepared from the following ingredients in percentage by weight: 25 to 85 weight percent of light curing resin and 15 to 75 weight percent of modified inorganic powder. The invention also further provides a preparation method and a use method of the ceramic material for 3D light curing forming printing. The ceramic material for 3D light curing forming printing provided by the invention is applicable to the preparation of a ceramic product by 3D light curing forming technologies such as the light curing laser fast forming and digital-based light processing projection curing forming. The defect of the current condition that the light curing forming technology in the prior art is not used for producing the ceramic product is overcome; the dimension precision of the obtained ceramic product is high; the 3D printing forming of various ceramic elements in complicated shapes can be realized; the ceramic material can be applied to aviation and aerospace industry, the medical field and the industrial field.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a ceramic material for 3D light-curing molding printing and a preparation method thereof. Background technique [0002] 3D printing manufacturing technology, also known as additive manufacturing (3DPrinting&AddictiveManufacturing, AM) or rapid prototyping technology (Rapid Prototyping, RP technology) is an advanced manufacturing technology that uses specific materials to make three-dimensional physical models in a layer-by-layer accumulation method driven by CAD digital models. 3D printing proposes a brand-new thinking mode from the theory of forming, that is, the three-dimensional model of the part designed on the computer is stored and converted in a specific data format, and it is layered by special software to obtain the two-dimensional profile information of each section. According to these contour information, the processing path is automatically generated. ...

Claims

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Application Information

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IPC IPC(8): C08L63/10C08L75/14C08L63/00C08L63/02C08K13/06C08K9/06C08K9/04C08K3/22C08K3/26C08K3/36C08K3/32C04B35/634C04B35/638C04B35/626
CPCC08L63/10C04B35/6261C04B35/62625C04B35/63452C04B35/63456C04B35/6346C04B35/638C04B2235/6026C04B2235/656C08K3/22C08K3/26C08K3/36C08K9/04C08K13/06C08L75/14C08L2205/02C08L2205/035
Inventor 来俊华
Owner SHANGHAI UNION TECH
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