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3D printing light-cured composition based on acrylic resins

An acrylic resin and 3D printing technology, which is applied in the direction of additive processing, etc., can solve the problems of high market price of 3D printing materials, high price of 3D printing products, and affecting the health of users, and achieve cost reduction, low price, and excellent resilience. Effect

Inactive Publication Date: 2018-12-11
惠展电子材料(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Polymer materials and their cured components usually have peculiar smell, which affects the health of users; in addition, the release problem that plagues the field of polymer processing also exists
From the perspective of 3D printing, at present, the weight of the product only accounts for half of the input materials, which is a huge waste, and the market price of 3D printing materials is high, resulting in high prices for 3D printing products.
In addition, existing materials have high hardness but poor flexibility

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of 3D printing photocurable composition based on acrylic resin of the present invention, it comprises:

[0037] Aliphatic urethane acrylate, 28%;

[0038] N-acryloylmorpholine, 20%;

[0039] Propoxylated nonylphenol acrylate, 24%;

[0040] Ethoxyethoxyethylacrylate, 24%;

[0041] Initiator TPO, 3%;

[0042] KH570 silane coupling agent, 0.85%;

[0043] Silane type leveling agent 3277, 0.05%.

Embodiment 2

[0045] A kind of 3D printing photocurable composition based on acrylic resin of the present invention, it comprises:

[0046] Aliphatic urethane acrylate, 36%;

[0047] N-acryloylmorpholine, 22%;

[0048] Propoxylated nonylphenol acrylate, 19.5%;

[0049] Ethoxyethoxyethylacrylate, 19.5%;

[0050] Initiator TPO, 2%;

[0051] KH570 silane coupling agent, 0.95%

[0052] Silane type leveling agent 3277, 0.05%.

Embodiment 3

[0054] A kind of 3D printing photocurable composition based on acrylic resin of the present invention, it comprises:

[0055] Aliphatic urethane acrylate, 35%;

[0056] N-acryloylmorpholine, 22%;

[0057] Propoxylated nonylphenol acrylate, 20%;

[0058] Ethoxyethoxyethylacrylate, 20%;

[0059] Initiator TPO, 2%;

[0060] KH570 silane coupling agent, 0.95%

[0061] Silane type leveling agent 3277, 0.05%.

[0062] The curing condition of the composition is UV wavelength 380-420nm, 2-5min.

[0063] The 3D printing photocurable composition based on acrylic resin, the viscosity of the composition is 700cps-800cps, 25°C, rotor viscometer, 30rpm.

[0064] The acrylic resin-based 3D printing photocurable composition, the curing condition of the composition is UV wavelength 380-395nm.

[0065] Each embodiment performance table:

[0066]

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PUM

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Abstract

The invention relates to 3D printing materials and discloses a 3D printing light-cured composition based on acrylic resins. The 3D printing light-cured composition comprises the following components in percentage by weight: 15-40% of aliphatic polyurethane acrylate, 20-25% of N-acryloyl morpholine, 20-25% of propyl oxynonylphenol acrylate, 15-25% of ethoxyethoxyethyl acrylate, 2-4% of an initiatorTPO, 0.6-1.5% of a KH570 silane coupling agent and 0.01-0.2% of a silane leveling agent. The composition disclosed by the invention is odorless, excellent in toughness, easy to demold and low in price.

Description

technical field [0001] The invention relates to ring 3D printing materials, in particular to a 3D printing material based on acrylic resin. Background technique [0002] 3D printing is a technology that has received widespread attention in recent years, and 3D printing materials are a vital part of 3D printing. Polymer materials, mainly light-cured polymer materials, are a large category of 3D printing materials. And UV acrylate is fully used, but there are the following problems: [0003] Polymer materials and their cured components usually have peculiar smell, which affects the health of users; in addition, the release problem that plagues the field of polymer processing also exists. From the perspective of 3D printing, at present, the weight of the product only accounts for half of the input materials, which is a huge waste, and the high market price of 3D printing materials leads to high prices of 3D printing products. In addition, existing materials have high hardnes...

Claims

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Application Information

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IPC IPC(8): C08F283/00C08F220/58C08F220/30C08F220/28C08F230/08
CPCC08F283/008B33Y70/00C08F220/301C08F220/282C08F220/58
Inventor 徐月香孙齐伟
Owner 惠展电子材料(上海)有限公司
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