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Ultraviolet light-curable vinyl composition for keyboard breathing lamp and application thereof

A composition and ultraviolet light technology, applied in the direction of electric light sources, adhesives, adhesive types, etc., can solve the problems of conductive line corrosion and conductive line corrosion of breathing lamps, and achieve fast curing speed, convenient dispensing, and high efficiency Effect

Active Publication Date: 2021-05-07
上海仁速新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, UV glue with good adhesion to PET is often added with some viscosity-increasing components to increase its adhesion to PET, which is easy to cause corrosion to the conductive circuit of the breathing lamp.
Document CN108130037A discloses an adhesive for bonding non-surface-treated PET. Its components include: 40-70 parts of silicone-modified polyurethane acrylate oligomer, 10-30 parts of acrylate monomer, and 20 parts of tackifier -40 parts, 1-5 parts of photoinitiator, 1-5 parts of filler, 0.1-3 parts of functional additives, which mainly use tackifier to play a bonding effect on PET corrosion, and also cause conductive lines corroded

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] In the first step, 50 parts of aliphatic polyurethane acrylate, 2 parts of bisphenol A epoxy resin, 20 parts of polyethylene glycol (400) diacrylate (molecular weight 512) and 22 parts of amino-modified polyether acrylate (Guojing Chemical Co., Ltd., GU8100Y, molecular weight 600) dropped into the mixing tank after weighing and stirred, the stirring speed was set at 90-120RPM, and stirred for 15 minutes;

[0036] In the second step, weigh 3 parts of 1-hydroxycyclohexyl phenyl ketone and 1 part of 2,4,6-(trimethylbenzoyl) diphenylphosphine oxide and put them into the mixing tank for stirring. Set to 100-120RPM, stirring time 30 minutes;

[0037] In the third step, put 0.5 parts of carbon black into the mixing tank, set the stirring speed to 120-150RPM, and the stirring time is 30 minutes, and finally filter and pack the mixture.

Embodiment 2

[0039] In the first step, 48 parts of aliphatic urethane acrylate, 1 part of bisphenol F epoxy resin, 10 parts of ethoxylated bisphenol A acrylate (molecular weight 776), 10 parts of amino-modified polyether acrylate (National Fine Chemical Co., Ltd., GU8100Z, molecular weight 1000) weighed and put into the mixing tank to stir, the stirring speed was set at 90-120RPM, and stirred for 25 minutes;

[0040] In the second step, 3 parts of 1-hydroxycyclohexyl phenyl ketone, 1 part of dimethyl benzil ketal, 1 part of benzophenone, 0.1 part of antioxidant, and 0.5 part of dispersant are weighed Then put it into the mixing tank and stir, the stirring speed is set to 100-120RPM, and the stirring time is 30 minutes;

[0041] In the third step, put 3 parts of filler fumed silica and 2 parts of carbon black into the mixing tank, set the stirring speed to 120-150 RPM, and the stirring time is 30 minutes, and finally filter and pack the mixture.

Embodiment 3

[0043] In the first step, 48 parts of aliphatic urethane acrylate, 5 parts of bisphenol A epoxy resin, 5 parts of ethoxylated trimethylolpropane triacrylate (molecular weight 692) and 32 parts of polyethylene glycol dimethyl Acrylic acid ester (molecular weight 742) is put into the mixing tank after weighing and stirred, and the stirring speed is set at 90-120RPM, and stirred for 25 minutes;

[0044] In the second step, 0.5 parts of 1-hydroxycyclohexyl phenyl ketone, 0.5 parts of ethyl 2,4,6-trimethylbenzoyl phenyl phosphonate, 0.5 parts of antioxidant, 0.5 parts of After the agent is weighed, put it into the mixing tank for stirring, the stirring speed is set at 100-120RPM, and the stirring time is 30 minutes;

[0045] The third step is to put 5 parts of filler and 1 part of carbon black into the mixing tank, set the stirring speed to 120-150RPM, and the stirring time is 30 minutes, and finally filter and pack the mixture.

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Abstract

The invention relates to an ultraviolet light-curable black glue composition for a keyboard breathing lamp and an application thereof. The UV-curable black glue composition includes the following components in parts by weight: 30-60 parts of polyurethane acrylate oligomer, 20-70 parts of large molecular weight acrylate monomer, and 1-5 parts of epoxy resin , 1-5 parts of photoinitiator, 0.2-4 parts of carbon black.

Description

technical field [0001] The invention relates to an ultraviolet light-curable black glue composition for a keyboard breathing lamp and an application thereof. Background technique [0002] With the development of society, computer keyboards are becoming more and more gorgeous in appearance, mainly because there are a lot of breathing lights on the keyboard. On the one hand, it is to show individuality and be different; backlighting. The breathing light can also help users recognize the numbers on the keyboard in low light. However, there are also many production-related problems, such as the cost will increase a lot and the power consumption will increase. The most important problem is the scattering of light, which greatly affects the effect of the breathing lamp. The solution is to put a circle of shading glue around the breathing lamp so that the light can be concentrated in one direction. The base of the breathing lamp is generally made of PET material, which is a hig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J175/14C09J11/04C09J11/06C09J11/08F21S8/00
Inventor 张维明刘翘楚张佳文
Owner 上海仁速新材料有限公司
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