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A kind of led pencil dipping paint and preparation method thereof

A pencil and defoamer technology, applied in the field of paint and coating, can solve the problems of poor surface drying, poor application effect, poor deep curing, etc., and achieve the effect of improving overall performance, not easy to inhibit oxygen polymerization, and good hardness

Active Publication Date: 2021-09-24
SHANGHAI CHANGRUNFA PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the above application documents, by shortening the curing time of nitro lacquer and controlling the amount of nitrocellulose and benzene-free alkyd resin, the nitro lacquer coating has good technical performance without increasing the cost. It is easy to produce the problems of poor surface drying caused by oxygen inhibition and poor deep curing during thick coating, resulting in poor overall application effect. Therefore, a new solution needs to be proposed to solve the above problems

Method used

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  • A kind of led pencil dipping paint and preparation method thereof
  • A kind of led pencil dipping paint and preparation method thereof
  • A kind of led pencil dipping paint and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0041] Embodiment 1: A kind of LED pencil dipping paint, each component and its corresponding parts by weight are shown in Table 1, and it is prepared through the following steps:

[0042] Step 1, bisphenol A epoxy acrylic resin, polyester acrylic resin, defoamer BYK055, hydroxyethyl methacrylate, photoinitiator TPO, reactive amine co-initiator LRP113 and carboxymethyl Add the cellulose into the mixing tank, fully stir and mix, and stir at 1300r / min for 27.5min to obtain the mixture;

[0043] Step 2, sand the mixture in a sand mill so that the fineness of the obtained base material is 25 μm, then adjust the speed in the mixing tank to 550r / min, and stir for 7.5 minutes to obtain the LED pencil top paint;

[0044] Step 3: Dip the LED pencil with the top paint and carry out vacuum filling with nitrogen gas. The storage temperature is 21.5°C and the relative humidity is 65%, and it is stored for later use.

Embodiment 2-5

[0045] Example 2-5: A LED pencil tip paint, the difference from Example 1 is that each component and its corresponding parts by weight are shown in Table 1.

[0046] Each component and parts by weight thereof in table 1 embodiment 1-5

[0047]

Embodiment 6

[0048] Embodiment 6: A kind of LED pencil dip paint, the difference from Embodiment 1 is that the quality of hydroxyethyl methacrylate in step 1 is replaced by hexanediol diacrylate.

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Abstract

The invention discloses an LED pencil dipping paint and a preparation method thereof, relates to the technical field of paints and coatings, and solves the problems of poor surface drying caused by oxygen inhibition and poor deep layer curing when the dipping paint is easily cured during curing, and poor deep layer curing during thick coating. An LED pencil dipping paint, comprising the following components in parts by weight: 50-70 parts of bisphenol A epoxy acrylic resin; 18-30 parts of polyester acrylic resin; 0.3-0.7 parts of defoaming agent; acrylate monomer 9-12 parts; 1.5-2.5 parts of photoinitiator; 2-4 parts of amine co-initiator; 1.2-1.6 parts of thickener. The LED pencil dipping paint in the present invention is not easy to produce oxygen inhibition phenomenon during the LED curing process, and the paint film has good surface drying, strong adhesion, good hardness, and no cracking when thickly applied.

Description

technical field [0001] The invention relates to the technical field of paints and coatings, more specifically, it relates to an LED pencil tip paint and a preparation method thereof. Background technique [0002] Traditional UV pencil dipping paint is cured by high-pressure mercury lamps. When mercury lamps are used, ozone will be generated. Lower power consumption, easy to use, lower heat generation. The UV coatings in the prior art are cured by high-pressure mercury lamps, and the curing equipment generates a lot of heat and consumes a lot of energy. Therefore, the LED pencil dipping paint has obvious advantages and has a broad prospect. [0003] At present, the pencil dipping paint is mainly based on conventional mercury lamp curing UV paint, and the top layer of the dipping paint is a solvent-based nitro paint. Due to environmental protection pressure, environmental protection fees are charged for the emission of VOCs, and the coating process of each pencil factory is r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/10C09D167/06C09D7/63
CPCC08L2205/03C09D163/10C09D7/63C08L67/06C08L1/286C08K5/10C08K5/5419C08L33/02
Inventor 叶谦梁文文
Owner SHANGHAI CHANGRUNFA PAINT