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Visible light curing glue and preparation method thereof

A technology for curing glue and visible light, applied in the field of material chemistry, can solve the problems of complex post-processing procedures, high technical requirements, expensive equipment, etc., and achieves low production cost and R&D technical requirements, low digital light source system requirements, and good surface quality. Effect

Inactive Publication Date: 2016-11-16
唐天
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the 3D printing technology of DLP and SLA has high technical requirements, expensive equipment and expensive consumables
In addition, the post-processing process of the model printed by the above technology is complicated, including cleaning the surface of the model with chemical solvents, sending it into a UV curing box for long-term exposure and then curing.

Method used

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  • Visible light curing glue and preparation method thereof
  • Visible light curing glue and preparation method thereof
  • Visible light curing glue and preparation method thereof

Examples

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Effect test

preparation example Construction

[0037] A method for preparing visible light curing glue includes the following steps:

[0038] 1) Divide the active diluent of the formula into two parts, which are respectively recorded as the first active diluent and the second active diluent;

[0039] 2) Take the first reactive diluent, the formula amount of the prepolymer and the formula amount of the pigment respectively, and sequentially add them into the first reactor, stir until fully dissolved, and mix evenly to obtain the first mixture;

[0040] 3) Move the first mixture into a light-shielded and closed second reaction kettle, and add the curing aid of the formula to obtain the second mixture;

[0041] 4) Dissolve the formulated amount of photoinitiator in the second reactive diluent in a dark environment, and then put it into the second reactor, then stir under vacuum until it is fully dissolved and mix well to obtain the third mixture ;

[0042] 5) Filter the third mixture under a light-proof environment to remove insoluble...

Embodiment 1

[0044] A visible light curing glue, including the following components in terms of weight percentage:

[0045]

[0046] According to the above components, follow the steps below to obtain visible light curing glue:

[0047] 1) Divide the formula amount of active diluent into two parts, denoted as the first active diluent and the second active diluent respectively, which account for 80% and 20% of the formula amount of active diluent respectively;

[0048] 2) Take the first reactive diluent and the prepolymer of the formula amount respectively, add them to the first reactor in turn, stir for 1 hour under the condition of 500r / min, and mix evenly to obtain the first mixture;

[0049] 3) Move the first mixture into a light-shielded and closed second reaction kettle, and add the curing aid of the formula to obtain the second mixture;

[0050] 4) Dissolve the formulated amount of photoinitiator in the second reactive diluent in a dark environment, and then put it into the second reactor, con...

Embodiment 2

[0054] A visible light curing glue, including the following components in terms of weight percentage:

[0055]

[0056] According to the above components, follow the steps below to obtain visible light curing glue:

[0057] 1) Take the two active diluents of the formula, mix them evenly, and divide them into two parts, which are respectively recorded as the first active diluent and the second active diluent, which respectively account for 70% and 30% of the total active diluent ;

[0058] 2) Take the first reactive diluent, the formulated amount of prepolymer and the formulated amount of pigment respectively, and sequentially add them into the first reactor, stir for 1.5h under the condition of 300r / min, and obtain the first mixture after uniform mixing;

[0059] 3) Move the first mixture into a light-shielded and closed second reaction kettle, and add the curing aid of the formula to obtain the second mixture;

[0060] 4) Dissolve the formulated amount of photoinitiator in the second ...

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Abstract

The invention discloses a visible light curing glue, including the following components by weight: 20-90% of a prepolymer, 5-75% of a reactive diluent, 0.5-10% of a photoinitiator, 0.5-20% of a curing agent, and 0-5% of a pigment, wherein the total weight of the above components is 100%. The visible light curing glue can be rapidly cure under visible light irradiation, and the curing needs little light energy and short curing time. The invention also provides a preparation method of the visible light curing glue. The preparation method has the advantages of simpleness, convenience, high safety and strong operability.

Description

Technical field [0001] The invention relates to the technical field of material chemistry, in particular to a visible light curing glue and a preparation method thereof. Background technique [0002] Additive manufacturing (also known as three-dimensional printing), which is a kind of rapid prototyping technology, is based on digital model files, using powder, liquid glue or ink, wire and other materials to construct three-dimensional objects by printing layer by layer Technology. It can overcome special structural obstacles that cannot be achieved by traditional machining, and can realize rapid prototyping of parts and the production and manufacture of arbitrarily complex structural parts. The existing technology types of additive manufacturing can be divided into the following three categories: FDM melt extrusion, light curing, and SLM / SLS laser selective powder sintering. [0003] Among them, the existing light curing technology mainly includes SLA laser scanning light curing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/14C09J11/06B33Y70/00
CPCC09J133/08C09J133/10C09J175/14B33Y70/00C08L2205/025C09J11/06C08L75/14
Inventor 唐天
Owner 唐天
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