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Radiation curable polymer composition for 3D printer

A 3D printer, light curing technology, applied in the direction of additive processing, etc., can solve problems such as difficult to apply in the medical field

Pending Publication Date: 2020-12-11
GRAPHY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as mentioned above, in the case of using materials for 3D printers such as the existing polylactic acid, due to limitations on the physical properties of the output, there is a problem that it is difficult to apply to the medical field, and there is an urgent need to develop Materials for photocurable polymer 3D printers in various medical fields

Method used

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  • Radiation curable polymer composition for 3D printer
  • Radiation curable polymer composition for 3D printer
  • Radiation curable polymer composition for 3D printer

Examples

Experimental program
Comparison scheme
Effect test

preparation example

[0104] [Preparation Example: Preparation of Photocurable Polymer Composition for 3D Printer]

[0105] A UV curable urethane oligomer represented by the following chemical formula 3, a photoinitiator represented by the following chemical formula 5, 3-methacryloxypropyltrimethoxysilane, an epoxy acrylate oligomer, and 2,6-Di-tert-butyl-p-cresol produces photocurable polymer compositions for 3D printers. Oligomers and the like used in the preparation of the polymer composition were purchased and used, and the contents of the constituent components are shown in Table 1 below.

[0106] [chemical formula 3]

[0107]

[0108] [chemical formula 2]

[0109]

[0110] [chemical formula 5]

[0111]

[0112] in,

[0113] A is a substituent represented by Chemical Formula 2, n and m are the same or different from each other, and are each independently an integer of 1 to 200.

[0114] [Table 1]

[0115] S10 S20 S30 S40 S50 S60 UV Curable Polyurethane Oligo...

experiment example

[0117] [Experiment example: Physical property evaluation experiment]

[0118] 1. Test conditions

[0119] 1-1. Tensile test

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Abstract

The present invention relates to a radiation curable polymer composition for a 3D printer, and comprises a UV curable polyurethane oligomer, a photoinitiator, a silane coupling agent, an oligomer, anda stabilizer. The radiation curable polymer composition for a 3D printer enables the manufacture of a 3D printed product having excellent physical properties such as a thermal property, strength, elastic modulus and tensile elongation, and enables the manufacture of a 3D printed product of which the shape can be restored even if the original shape of the 3D printed product is deformed by the usethereof.

Description

technical field [0001] The present invention relates to a photocurable polymer composition used in 3D printers, as a photocurable polymer composition used in 3D printers, more specifically, it is a photocurable polymer composition suitable for 3D printing. Molecules, by using them for 3D printing, it is possible to manufacture 3D printed output objects that have excellent physical properties such as thermal properties, strength, elastic modulus, and elongation, and can achieve shape recovery. Background technique [0002] 3D printers have the principle of 3D printing that makes physical objects formed in 3D. As an ink for 3D printing that enables such a 3D printer to form a physical object in 3D, research on a resin composition for 3D printing continues. [0003] The advantage of 3D printing is that even if only one product is produced, the production cost is relatively low, and products of any shape can be freely manufactured. In the existing model manufacturing technolog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/16C08F2/50C08F290/14C08K5/54B33Y10/00
CPCB33Y70/00C08F2/50C08L75/16C08F290/067C08L51/08C08F230/08C08F290/147C08K5/54B33Y10/00C08K5/5419
Inventor 沈云燮
Owner GRAPHY CO LTD
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