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Biology-based ultraviolet light curing resin, and preparation method and three-dimensional shaping method thereof

A curing resin, three-dimensional molding technology, applied in the direction of additive processing, etc., can solve the problems of long industrialization scale, high cost, limited application scope, etc., and achieve the effect of large industrialization possibility, increase production scale, and reduce production cost.

Inactive Publication Date: 2018-10-09
SHENZHEN ESUN IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the biological 3D printing materials widely developed at home and abroad have various shortcomings such as insufficient technical maturity, far away from the scale of industrialization, limited application range, high cost and mainly only suitable for FDM printing with low-efficiency nozzles.

Method used

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  • Biology-based ultraviolet light curing resin, and preparation method and three-dimensional shaping method thereof
  • Biology-based ultraviolet light curing resin, and preparation method and three-dimensional shaping method thereof
  • Biology-based ultraviolet light curing resin, and preparation method and three-dimensional shaping method thereof

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preparation example Construction

[0027] The embodiment of the present invention also provides a preparation method of the bio-based UV-curable resin, comprising the following steps:

[0028] Step S1, weighing 1 to 3 parts of the photoinitiator and dissolving it in 25 to 50 parts of the diluent in terms of mass components to obtain a uniform solution.

[0029] Step S2, weighing 50-75 parts of the resin matrix in terms of mass components, and mixing the homogeneous solution obtained in step S1 with the resin matrix to obtain a mixture.

[0030] In step S3, use a disperser to stir the mixture for 30 minutes at a speed of 1000 r / min. After the stirring is completed, place the mixture in a vacuum pump and remove air bubbles in the mixture under a pressure of -1 bar to obtain a UV-curable resin.

[0031] The actual 3D model can be printed by using the above-mentioned ultraviolet light curing resin through the ultraviolet light curing three-dimensional molding technology.

[0032] The present invention also provide...

Embodiment 1

[0035] In terms of mass components, 2.2 parts of phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide were weighed and dissolved in 29.5 parts of ethylene glycol methacrylate to obtain a homogeneous solution; In terms of mass components, weigh 56 parts of the resin matrix, mix the homogeneous solution with the resin matrix to obtain a mixture; use a disperser to stir the mixture for 30 minutes at a speed of 1000r / min, after the stirring is completed, place the mixture in a vacuum pump , under the pressure of -1bar, remove the air bubbles in the mixture to obtain a UV-curable resin; establish a digital 3D model to be printed, slice the digital 3D model in layers, set the exposure time to 12s, and set each layer according to the printing accuracy requirements The thickness is 0.02mm; fill the UV-curable resin into the trough of the photo-curable printer, and import the established 3D model into the photo-curable printer to start the printing process. The photo-curable printer uses 25...

Embodiment 2

[0037]In terms of mass components, 1.3 parts of phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide were weighed and dissolved in 37 parts of ethylene glycol methacrylate to obtain a homogeneous solution; In terms of mass components, weigh 61.7 parts of the resin matrix, mix the homogeneous solution with the resin matrix to obtain a mixture; use a disperser to stir the mixture for 30 minutes at a speed of 1000r / min, after the stirring is completed, place the mixture in a vacuum pump , under the pressure of -1bar, remove the air bubbles in the mixture to obtain a UV-curable resin; establish a digital 3D model to be printed, slice the digital 3D model in layers, set the exposure time to 10s, and set each layer according to the printing accuracy requirements The thickness is 0.05mm; fill the UV-curable resin into the trough of the photo-curable printer, and import the established 3D model into the photo-curable printer to start the printing process. The photo-curable printer uses 25W...

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Abstract

The invention provides biology-based ultraviolet light curing resin, which is prepared from the following raw materials in parts by mass: 50 to 75 parts of resin base body, 25 to 50 parts of diluentsand 1 to 3 parts of photoinitiators, wherein the resin base body is a biology-based material; the diluents can reduce the viscosity and simultaneously participate in photocuring reaction; the photoinitiators can trigger the monomer polymerization crosslinking curing. The biology-based ultraviolet light curing resin provided by the invention has good mechanical performance which is three to five times of the existing commercial ultraviolet light curing three-dimensional shaping resin material; the printing precision is high; the biology-based ultraviolet light curing resin can be used for manufacturing porous bone structures with complicated structures. The great potential can be realized in a biomedicine aspect, particularly in biological tissue engineering and artificial bone application.

Description

technical field [0001] The invention relates to the technical field of photocurable three-dimensional molding materials, in particular to a bio-based ultraviolet light curing resin, a preparation method, and a three-dimensional molding method. Background technique [0002] The bio-based photocurable 3D printing resin formulation project has international advanced and important market demand space. At present, the main market of 3D printing materials is based on the process of fused deposition manufacturing (FDM) wire materials, liquid resin materials for photocuring (SLA), plastic sintering powders and metal sintering powders for selective laser sintering (SLS), and other biological materials. etc. UV-cured materials have the advantages of fast curing speed, high molding precision, good surface finish, and high mechanical strength of objects. Stereoscopic stereolithography technology, first cut the model horizontally and vertically according to the cross-sectional profile ...

Claims

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Application Information

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IPC IPC(8): C08F283/00C08F222/14B33Y70/00
CPCB33Y70/00C08F283/006C08F222/102
Inventor 杨义浒郝亮李妍唐天冯祖莹
Owner SHENZHEN ESUN IND