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Light shading adhesive, laminated plate, preparation method of light shading adhesive, and application of light shading adhesive

A technology of sunscreening agent and adhesive, which is applied in the fields of laminates, sunscreening adhesives and their preparations, can solve the problems of laminated boards having no light-shielding effect, poor light-shielding effect, poor heat resistance and weather resistance, and achieve excellent Shading function, increase light intensity, energy saving effect

Active Publication Date: 2013-10-09
SHANGHAI GUOJI ELECTRONICS MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the defects that the existing laminates do not have the light-shielding effect or the light-shielding effect is very poor, resulting in poor heat resistance and weather resistance of the equipment, and provide a light-shielding adhesive and its preparation method and application , and laminates prepared from the adhesive

Method used

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  • Light shading adhesive, laminated plate, preparation method of light shading adhesive, and application of light shading adhesive
  • Light shading adhesive, laminated plate, preparation method of light shading adhesive, and application of light shading adhesive
  • Light shading adhesive, laminated plate, preparation method of light shading adhesive, and application of light shading adhesive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Raw material components (parts by weight) of light-shielding adhesive:

[0049] Bisphenol A epoxy resin: 125 parts

[0050] Dicyandiamide: 2.9 parts

[0051] 2-Methylimidazole: 0.065 parts

[0052] Dimethylformamide: 20 parts

[0053] Propylene glycol methyl ether: 12 parts

[0054] Nigrosine: 0.8 parts

[0055] Aluminum hydroxide: 20 parts

[0056] The preparation method of the light-shielding adhesive: first dissolve dicyandiamide and 2-methylimidazole in dimethylformamide and propylene glycol methyl ether, and stir for 4 hours at a speed of 1000rpm; after it is completely dissolved, add bisphenol A epoxy resin, fully stirred at 1200rpm for 3 hours; after mixing evenly, add nigrosine and aluminum hydroxide, disperse with high shear at 3500rpm for 45 minutes, then stir at 1200rpm for 5 hours, after complete aging That's it.

Embodiment 2

[0058] Raw material components (parts by weight) of light-shielding adhesive:

[0059] Brominated epoxy resin: 130 parts

[0060] Dicyandiamide: 3.1 parts

[0061] 2-Methylimidazole: 0.080 parts

[0062] Dimethylformamide: 25 parts

[0063] Propylene glycol methyl ether: 17 parts

[0064] Nano titanium dioxide: 10 parts

[0065] Nano zinc oxide: 12 parts

[0066] Aluminum hydroxide: 15 parts

[0067] The preparation method of the light-shielding adhesive: first dissolve dicyandiamide and 2-methylimidazole in dimethylformamide and propylene glycol methyl ether, and stir at a speed of 1000rpm for 4 hours; after it is completely dissolved, add bromide Epoxy resin is fully stirred for 3 hours at 1200rpm with a rotating speed; after mixing evenly, add nano-titanium dioxide, nano-zinc oxide and aluminum hydroxide, and disperse at a high shear rate of 4500rpm for 60 minutes with a rotating speed, and then stir at 1200rpm for 6 hours. It can be fully ripened.

Embodiment 3

[0069] Raw material components (parts by weight) of light-shielding adhesive:

[0070] Resin: Phosphorus-containing epoxy resin: 125 parts

[0071] Phenolic resin: 15 parts

[0072] Curing agent: benzoxazine resin: 10 parts

[0073] Phenolic resin: 5 parts

[0074] 2-Ethyl-4-methylimidazole: 0.050 parts

[0075] Butanone: 14 parts

[0076] Propylene glycol methyl ether: 10 parts

[0077] Nigrosine: 1.1 parts

[0078] Aluminum hydroxide: 15 parts

[0079] The preparation method of the light-shielding adhesive: first dissolve 2-ethyl-4-methylimidazole in butanone and propylene glycol methyl ether, and stir at a speed of 1000rpm for 3 hours; after it is completely dissolved, add phosphorus-containing epoxy Resin, phenolic resin, benzoxazine resin, fully stirred at 1200rpm for 4 hours; after mixing evenly, add nigrosine and aluminum hydroxide, disperse with high shear at 3500rpm for 60 minutes, and then stir at 1200rpm 5 hours, after fully ripening.

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Abstract

The present invention provides a light shading adhesive, wherein raw materials of the light shading adhesive comprise, by weight, 125-150 parts of a resin, 2.0-22 parts of a curing agent, 0.05-0.08 parts of a curing accelerator, 24-42 parts of a solvent, 0.8-25 parts of a light shading agent, and 15-75 parts of an auxiliary filling, and the light shading agent comprises one or a plurality of materials selected from nano-silica, nano-zinc oxide, nano-titanium dioxide, clay powder and aniline black. The present invention further provides a preparation method of the light shading adhesive, an application of the light shading adhesive, and a laminated plate adopting the adhesive as the raw material. The adhesive has excellent light shading function, can be used for various laminated plates with the high light shielding requirement, copper-clad plates and the like, and is especially suitable for preparations of TFT-LCD, TP / LCM, LED devices, and the like. During the use of the high bright strength equipment, the light shading adhesive of the present invention can provide a good reflection effect for the light source, and shade light source transmission from the backside of the substrate, such that the bright strength of the equipment and the backlight utilization efficiency can be improved, the energy sources can be saved, and the low-carbon environment protection can be realized.

Description

technical field [0001] The invention relates to the field of adhesives, in particular to a light-shielding adhesive and its preparation method and application, and also relates to a laminated board. Background technique [0002] In recent years, with the rapid development of science and technology, various types of optoelectronic equipment have developed by leaps and bounds, especially the continuous development of LCM / TP, TFT-LCD, LED and other equipment based on optoelectronic display, making liquid crystal display electronic products more mature. Technology and lower prices have entered the market, and technological innovation has continuously promoted the development of the optoelectronic industry and brought people a more convenient and colorful life. [0003] The current optoelectronic display technology has relatively high requirements for its basic materials. Due to the gradual improvement of the technical level and the continuous enhancement of people's awareness o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J161/06C09J163/02C09J163/00C09J179/08C09J175/04C09J11/04B32B7/12
Inventor 常立荣胡瑞平
Owner SHANGHAI GUOJI ELECTRONICS MATERIALS CO LTD
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