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Insulating shading adhesive tape for fixing LED backlight modules

A technology of shading tape and backlight module, applied in the direction of adhesive, film/sheet adhesive, graft polymer adhesive, etc., can solve the problem of poor shading performance of tape, achieve excellent shading performance and ensure viscosity , the effect of reducing the dosage

Inactive Publication Date: 2020-06-30
安徽富印新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of insulating light-shielding tape for fixing LED backlight modules in order to solve the problem of poor light-shielding performance of the tape in the prior art

Method used

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  • Insulating shading adhesive tape for fixing LED backlight modules
  • Insulating shading adhesive tape for fixing LED backlight modules
  • Insulating shading adhesive tape for fixing LED backlight modules

Examples

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preparation example Construction

[0023] The preparation method of the allyl alcohol complex is as follows: first vacuumize the polyoxypropylene alcohol at 120° C. to remove water for 30 minutes. Then, under the atmosphere of nitrogen protection, polyoxypropylene alcohol is added dropwise to excess diisocyanate (-NCO and -OH group molar ratio is 2:1) while stirring, and a small amount of catalyst dibutyltin dilaurate is added, The reaction temperature is controlled at 90-100°C. After 1 hour of reaction, the heating is stopped and the temperature is lowered to discharge the material to obtain the allyl alcohol complex.

[0024] The adhesive prepared according to the formula in the following table was then coated on the substrate to prepare the insulating light-shielding tape for fixing the LED backlight module of Examples 1-12. The adhesive formula of specific embodiment is as follows:

[0025]

[0026] Isooctyl acrylate, propylene alcohol complex, sulfur, nano-selenium, ceramic particles, diisopropyl azodi...

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Abstract

The invention provides an insulating shading adhesive tape for fixing LED backlight modules. The insulating shading adhesive tape comprises a substrate, and an adhesive which is adopted to coat the black substrate; the adhesive comprises the following components: 30 to 60 parts by weight of 2-ethylhexyl acrylate; 10 to 30 parts by weight of an allyl alcohol complex; 5 to 10 parts by weight of sulfur; 3 to 8 parts by weight of nano-selenium, 5 to 15 parts by weight of ceramic particles, 5 to 10 parts by weight of diisopropyl azodicarboxylate, 1 to 2 parts by weight of organic tin, 1 to 10 partsby weight of fumed silica, 10 to 20 parts by weight of 1-hydroxycyclohexyl phenyl ketone, 5 to 15 parts by weight of dodecanethiol and 1 to 5 parts by weight of 2-ethyl anthraquinone. According to the shading adhesive tape, the adhesive is prepared at a non-high temperature and only needs to be heated to 60-80 DEG C, the formula raw materials are easy to obtain, the processing mode is simple, operation is easy and convenient, production is more energy-saving and environmentally friendly, and the prepared adhesive tape is excellent in shading performance.

Description

technical field [0001] The invention belongs to the technical field of adhesives, and relates to an insulating light-shielding adhesive tape used for fixing LED backlight modules. Background technique [0002] With the popularization of mobile phones, TVs and other digital products, automotive products, and high-end furniture in China, the bonding and fixing glue used in them is also more important. Among them, the fixing sheet around the LED and the fixing backlight module components need good shading performance Adhesive tapes are used for bonding, but the tapes currently on the market cannot achieve the ideal shading effect. Contents of the invention [0003] The object of the present invention is to provide an insulating light-shielding tape for fixing LED backlight modules to solve the problem of poor light-shielding performance of the tape in the prior art. [0004] To achieve the above objectives, the specific plan is as follows: [0005] An insulating light-shiel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/24C09J151/08C09J11/04C09J11/06C08F283/00C08F220/18
CPCC08F283/006C08K2201/011C09J11/04C09J11/06C09J151/08C09J2423/046C09J2427/006C09J2451/00C09J7/243C09J7/245C08K13/02C08K3/06C08K3/02C08K3/00C08K3/36C08K5/17
Inventor 邓雁
Owner 安徽富印新材料股份有限公司
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