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Electronic coating adhesive for protecting electronic circuit board and preparation method thereof

An electronic circuit board, coating technology, applied in coatings, anti-corrosion coatings, polyurea/polyurethane coatings, etc., can solve the problems of high cost and affect the service life of equipment, and achieve the effect of easy operation and simple preparation method

Active Publication Date: 2019-12-24
湖南梵鑫科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially for smart home appliances, automotive electronics, frequency conversion industrial control, military ships, and outdoor precision equipment, the cost is high, and the service life of the equipment is affected by the damage of the electronic circuit board

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A UV curable electronic coating adhesive for electronic circuit board protection, at least including components by weight: 55 parts of polyurethane acrylate, 20 parts of UV monomer (tricyclodecanyl dimethanol diacrylate), nano 20 parts of silicon dioxide (75nm), 1 part of leveling aid, 1.5 parts of defoamer, 1.5 parts of wetting agent, and 1 part of fluorescent agent.

[0026] The preparation method comprises the following steps: according to the above parts by weight, adding polyurethane acrylate, UV monomer, and nano silicon dioxide into a vacuum kneader, dehydrating and blending for 0.5 h at a temperature of 35° and a vacuum degree of -0.07, After cooling, add leveling aid, wetting agent, defoamer, and fluorescent agent, stir for 0.5 h at a vacuum degree of -0.07 MPa at room temperature, and mix evenly to obtain the UV-curable electronic coating adhesive.

Embodiment 2

[0028] A UV curable electronic coating adhesive for electronic circuit board protection, at least including components by weight: 60 parts of polyurethane acrylate, 20 parts of UV monomer (tricyclodecanyl dimethanol diacrylate), nano 15 parts of silicon dioxide (75nm), 1 part of leveling aid, 1 part of defoamer, 1.5 parts of wetting agent, and 1.5 parts of fluorescent agent.

[0029] The preparation method comprises the following steps: in parts by weight, adding polyurethane acrylate, UV monomer, and nano silicon dioxide into a vacuum kneader, at a temperature of 40°C, with a vacuum degree of -0.08MPa, dehydrating and blending at 0.6, cooling, Add leveling aid, wetting agent, defoamer, and fluorescent agent to it, and stir for 06 hours at a vacuum degree of -0.08 MPa at room temperature, and mix evenly to obtain the UV-curable electronic coating adhesive.

Embodiment 3

[0031] A UV curable electronic coating adhesive for electronic circuit board protection, at least including components by weight: 46 parts of polyurethane acrylate, 30 parts of UV monomer (tricyclodecanyl dimethanol diacrylate), nano Silica (75nm) 20 parts, leveling aid 1 part, defoamer 1 part, wetting agent 1 part, fluorescent agent 1 part.

[0032] The preparation method comprises the following steps: adding polyurethane acrylate, UV monomer, and nano-silica into a vacuum kneader in parts by weight, dehydrating and blending for 0.8h at a temperature of 50°C and a vacuum degree of -0.09MPa, and cooling , add leveling aid, wetting agent, defoamer, and fluorescent agent therein, and stir for 0.5 h at a vacuum degree of 0.09 MPa at room temperature, and mix evenly to obtain the UV-curable electronic coating adhesive.

[0033] In the above examples, polyurethane acrylate was purchased from Jiangyin Getai Chemical Co., Ltd.; tricyclodecanyl dimethanol diacrylate was purchased from...

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PUM

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Abstract

The invention discloses an electronic coating adhesive for protecting an electronic circuit board and a preparation method thereof. The electronic coating adhesive comprises polyurethane acrylate, a UV monomer, nano silicon dioxide, a leveling aid, a defoaming agent, a wetting agent, a fluorescent agent and the like. The prepared UV-cured coating adhesive is transparent in color and hard in texture, and has greatly improved chemical corrosion resistance, wear resistance, strength, elongation and toughness. The preparation method of the coating adhesive is simple and easy to operate, and the surface can be dried within several seconds to dozens of seconds; the prepared colloid does not contain volatile organic compounds and is good in environmental protection performance; the electronic coating adhesive prepared by the invention is used for anti-corrosion protection of electronic and electrical equipment circuit boards, and the product reliability and the safety coefficient are remarkably improved.

Description

technical field [0001] The invention relates to the field of macromolecule materials, in particular to an electronic coating adhesive for protecting electronic circuit boards and a preparation method thereof. Background technique [0002] In modern society, electronic and electrical equipment is used very frequently in people's lives, and it has greatly improved human life. During the use of electronic appliances, the electronic circuit board is easily corroded by the external environment, such as moisture, mold, salt spray, high dust, vibration, corrosive gas, etc., which will cause damage to the electronic circuit board. In particular, the cost of smart home appliances, automotive electronics, frequency conversion industrial control, military ships, and outdoor precision equipment is high, and the service life of the equipment is affected by damage to the electronic circuit board. [0003] In the prior art, an electronic coating glue is generally used to cover the surface...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/61C09D5/08
CPCC08K2201/011C09D5/08C09D175/14C09D7/61C08K3/36
Inventor 陈晓芳唐邦文苏晓明
Owner 湖南梵鑫科技有限公司
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