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High temperature resistance three-dimensional manufacture material and a method for manufacturing three-dimensional object with same

A three-dimensional manufacturing, high temperature resistance technology, applied in the direction of additive processing, etc., can solve the problems of limited application scope of products and poor high temperature resistance effect.

Inactive Publication Date: 2018-12-11
NINGBO SHISHENG TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since the materials used in light-curing three-dimensional manufacturing are generally light-curing resins, their high-temperature resistance is poor, resulting in a limited scope of application for the products they manufacture, so it is necessary to develop a high-temperature-resistant three-dimensional manufacturing material

Method used

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  • High temperature resistance three-dimensional manufacture material and a method for manufacturing three-dimensional object with same
  • High temperature resistance three-dimensional manufacture material and a method for manufacturing three-dimensional object with same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Stir and mix 67wt% of 2,2-bis(4-cyanophenyl)propane and 30wt% acrylated epoxy resin at 150°C for 30 minutes, after cooling, add 3wt% of photoinitiator,

[0044] After the above materials were mixed, they were formed using the light-curing three-dimensional manufacturing equipment as described herein. After the three-dimensional manufacturing, the three-dimensional structure 5 was taken out, rinsed with alcohol solution and placed in an oven set at 110°C for 12 hours. After that, three-dimensional manufacturing is completed. The glass transition temperature of the three-dimensional object is about 208°C.

Embodiment 2

[0046] 67wt% benzoxazine and 30wt% phthalonitrile resin were stirred and mixed for 2 hours, after cooling, 3wt% photoinitiator was added,

[0047] After mixing the above-mentioned materials, use the light-curing three-dimensional manufacturing equipment as described in this article to form them. During the forming process, cool the materials so that the temperature does not exceed 25°C. Rinse and place in an oven set at 30°C for 24 hours, after heating, the 3D fabrication is complete. The glass transition temperature of the three-dimensional object is about 236°C.

Embodiment 3

[0049] Stir and mix 67wt% of 2,2-bis(4-cyanophenyl)propane and 30wt% acrylated epoxy resin at 150°C for 30 minutes, after cooling, add 3wt% of photoinitiator,

[0050] After the above materials were mixed, they were formed using the light-curing three-dimensional manufacturing equipment as described herein. After the three-dimensional manufacturing, the three-dimensional structure 5 was taken out, rinsed with alcohol solution and placed in an oven set at 200°C for 6 hours. After heating After that, three-dimensional manufacturing is completed. The glass transition temperature of the three-dimensional object is about 224°C.

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Abstract

The invention discloses a high temperature resistance three-dimensional manufacture material and a method for manufacturing three-dimensional object with the same. The high temperature resistance three-dimensional manufacture material comprises a polymerizable liquid and a photo-initiator, wherein the polymerizable liquid comprises a first component and a second component; the first component is prepared from a first monomer and / or first prepolymer, and the second component is prepared from a second monomer and / or second prepolymer; the first monomer and the first prepolymer are cured under photoinduction, the second monomer and the second prepolymer are cured under thermal initiation; the photo-initiator is used for performing photo-cured three-dimensional manufacture for the polymerizable liquid; and the manufactured three-dimensional structural part is subjected to thermal curing treatment to complete manufacture of a high temperature resistance three-dimensional object. Compared with the prior art, the high temperature resistance three-dimensional manufacture material has the advantages that substances of the second component has the characteristic of high temperature resistance after thermal curing in the polymerizable liquid, and the three-dimensional object manufactured by the material has the performance of high temperature resistance.

Description

technical field [0001] The invention relates to the technical field of three-dimensional molding, in particular to a high-temperature-resistant three-dimensional manufacturing material and a method for manufacturing three-dimensional objects using the material. Background technique [0002] The technical principle of light-curing 3D manufacturing is to layer the 3D model in one direction to obtain the contour information or image information of each layer, and then use the light source to realize the data information of each layer, and combine the polymer monomer and prepolymer The photoinitiator (photosensitizer) is composed, and after being irradiated by UV light, it causes a polymerization reaction, completes the curing of each layer, repeats iterations, and finally forms a three-dimensional solid model. Due to the short production cycle and low production cost of 3D manufacturing, and there is no need to consider the size of the product market, that is, 3D models with di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L79/00C08L63/10C08L61/34C08L79/04C08L71/02C08L33/10C08L33/02C08L79/08C08L63/00C08L23/02C08L25/04C08L25/12B33Y70/00
CPCB33Y70/00C08L23/02C08L25/04C08L25/12C08L61/34C08L63/00C08L79/00C08L79/08C08L2201/08C08L2205/02C08L2205/03C08L63/10C08L79/04C08L71/02C08L33/10C08L33/02C08L79/085
Inventor 胡梦龙赵凯锋姚志锋
Owner NINGBO SHISHENG TECH CO LTD