Silk screen printing fluorescent paint for color conversion and preparation method thereof

A fluorescent paint, screen printing technology, applied in the direction of luminescent paint, printing, printing devices, etc., can solve the problem of low brightness and achieve the effect of excellent performance

Active Publication Date: 2007-07-04
INESA ELECTRON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the defects in the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a screen printing screen printing machine for color conversion that can solve the ...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] Screen Printing UV Curable Organic Fluorescent Coatings for Color Conversion:

[0085] Element

Embodiment 2

[0087] Element

[0088] The preparation method of the coating described in Examples 1 and 2 is as follows: add the formula amount and the active monomer, dispersant, and defoamer prepared for metering in the pulping container, stir with a high-speed disperser for 5 to 10 minutes, and the rotating speed is 300 ~500rpm; add the pigment in the formula, pre-disperse, stir with a high-speed disperser for 5-10 minutes, the speed is 700-1000rpm, then add the prepolymer, choose the basket sand mill of Shanghai Sower Company, the grinding medium is Zirconia beads, the speed is 3000rpm, grind for 4-6 hours, finally add the photoinitiator and leveling agent dissolved with a certain active monomer, and use a high-speed disperser to stir evenly at a high speed; measured by a scraper fineness meter Its fineness is less than 10 μm. When screen printing on an ITO glass plate, use a UV curing lamp (UV light source intensity 100mW / cm 2 ) to cure for 1-2s.

Embodiment 3

100

[0092] The above mixture was magnetically stirred at room temperature for 3 hours and aged for 12 hours before use.

[0093] SiO as described in Example 3 2 The presol is 6 parts of Degussa(R) R972 nano fumed silicon dioxide (percentage by weight, the same below) in a mixed solvent of 74 parts of water and 20 parts of isopropanol by stirring at a high speed of 3000 rpm for 10 to 20 minutes.

[0094] The preparation method of embodiment 3 is as follows:

[0095] Add the formulated amount and prepared metered polysiloxane solution, water-based hyperdispersant, water and isopropanol, defoamer, and leveling agent into the pulping container, and stir for 5 to 10 minutes with a high-speed disperser (the same below). Minutes, the rotating speed is 500rpm. Add the formulated amount of organic fluorescent pigment, pre-disperse for 10 minutes, and rotate at 700-1000rpm. A MiniZeta experimental grinder from NETZSCH, Germany was selected, the grinding medium was...

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PUM

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Abstract

The invention relates to a color conversion screen printing ultraviolet curing organic fluorescence coating and the method for preparing the same. Said comprises prepolymer, active monomer, organic fluorescence coating, light initiator, dispersant agent, defoaming agent, levelling agent and adhesion promoter. The invention also relates to another color conversion screen printing waterborne thermal curing organic fluorescence coating and the method for preparing the same. It comprises film forming matter, diluting agent, organic fluorescence coating, disperant agne, waterborne defoaming agent, levelling agent and thickener. The coating is cured on ITO glass through screen printing and becomes color conversion film. The invention makes use of the property of fluorescence coating that it can emit brighter light under ultraviolet illumination. The fluorescence coating can be costed on display surface. The color and brightness will change when different light pass through said color conversion film. The invention is characaterized by simple process, fast curing speed, and good flexibility, aging resistant, good adhesion between film and glass and environmental friendly.

Description

technical field [0001] The invention relates to an organic fluorescent paint and a preparation method thereof, in particular to a screen printing fluorescent paint for color conversion and a preparation method thereof. Background technique [0002] The principle application of color conversion has been patented. For example, Xingwei Wu, Brampton (CA), Abdul M.Nakua, Mississauga (CA) and others applied for the patent No. US2004 / 0135495A1 in the United States Patent Office, and its name is "COLOR ELECTROLUMINESCENT DISPLAYS" - color electroluminescence display screen. The principle and related applications of the new color conversion film are introduced in detail. The principle and related applications of the new color conversion film are introduced in detail. But this patent is not described in detail to the composition of coating and preparation method thereof. Contents of the invention [0003] In view of the defects in the above-mentioned prior art, the technical pro...

Claims

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Application Information

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IPC IPC(8): C09D5/22B41M1/12
Inventor 肖田陈晨曦王朝生刘红君王夏琴
Owner INESA ELECTRON
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