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Screen binder and using method thereof

A binder and screen technology, applied in the direction of adhesives, adhesive types, non-polymer adhesive additives, etc., can solve the problems of poor adaptability, good barrier performance, and strong adhesion of flexible screens, and achieve bonding Good effect, good weather resistance, simple and convenient operation

Pending Publication Date: 2021-06-01
SHENZHEN EUBO NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an adhesive for screens, which aims to solve the technical problems that the existing adhesives for screens cannot have the characteristics of good toughness, strong adhesion, and good barrier performance at the same time, and poor adaptability to flexible screens.

Method used

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  • Screen binder and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A kind of organosilicon modified epoxy resin, comprises preparation steps:

[0051] At 25°C, 100 grams of bisphenol A epoxy resin E-55 and 30 grams of amino silicone oil with a molecular weight of 2000 and 10 grams of KH560 (γ-(2,3-epoxypropoxy)propyltrimethyl Add oxysilane into the three-necked flask, mix it evenly under vigorous stirring, then add 1 gram of dibutyltin dilaurate, raise the temperature to 110°C and keep stirring for 2 hours, cool down naturally to obtain silicone modified permanent epoxy resin products.

Embodiment 2

[0053] A kind of bonding agent for screen, comprises preparation steps:

[0054] ①Add the following materials sequentially into the dispersing mixer: 100g of E51 epoxy resin, 25g of the silicone-modified epoxy resin prepared in Example 1, and mechanically stir and disperse at a speed of 300 rpm for 60 minutes. Add the prepared 5g nanoparticle composition in 3 batches (the same quality of each batch) during the stirring process, which contains 4g of nanometer SiO in the composition 2 (Particle size 150nm), 1g nano TiO 2 (particle size 150nm), continue to stir, and disperse with mechanical stirring at a speed of 400 rpm for 90 minutes to obtain the final A component.

[0055] ② Add the following materials in sequence in the dispersing mixer: 100g of polyetheramine D400, 40g of polyetheramine D2000, 7g of curing accelerator DMP-30, and mechanically stir and disperse at a speed of 300 rpm for 90 minutes. The prepared The finished product is B component.

[0056] ③The curing rat...

Embodiment 3

[0058] A kind of bonding agent for screen, comprises preparation steps:

[0059] ①Add the following materials sequentially into the dispersing mixer: 100g of E51 epoxy resin, 40g of the silicone-modified epoxy resin prepared in Example 1, and mechanically stir and disperse at a speed of 300 rpm for 60 minutes. Add the prepared 10g nanoparticle composition in 3 batches (the same quality of each batch) in the stirring process, which contains 8g of nanometer SiO in the composition 2(Particle size 50nm), 2g nano TiO 2 (particle size 50nm), continue to stir, and disperse with mechanical stirring at a speed of 400 rpm for 90 minutes to obtain the final A component.

[0060] ② Add the following materials in sequence in the dispersing mixer: 100g of polyetheramine D400, 50g of polyetheramine D2000, 15g of curing accelerator DMP-30, and mechanically stir and disperse at a speed of 300 rpm for 90 minutes. The prepared The finished product is B component.

[0061] ③The curing ratio of...

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Abstract

The invention belongs to the technical field of composite materials, and particularly relates to a screen binder which comprises a component A and a component B, wherein the component A is prepared from bisphenol A type epoxy resin, organic silicon modified epoxy resin and a nano material according to the mass ratio of 1: (0.25-0.4): (0.05-0.1); the component B comprises a curing agent and a curing accelerator in a mass ratio of 1: (0.05-0.1); when the screen binder is used, the component A and the component B are mixed according to the mass ratio of (2-2.8): 1 for use. Through the synergistic effect of the component A and the component B, the screen binder has good toughness, strong adhesive strength, good properties of blocking water vapor and oxygen and the like, and is particularly suitable for a flexible screen.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and in particular relates to an adhesive for screens and a method for using the adhesive for screens. Background technique [0002] With the rapid development of the electronics and information industries, the display screens of consumer electronics products are also undergoing an update and upgrade stage from flat screens to flexible screens. Compared with traditional screens, flexible screens have obvious advantages. Not only are they thinner and thinner in size, but they also consume less power than the original devices, which helps to improve the battery life of the device. The degree is also much higher than previous screens. Due to the above advantages, flexible screens will have a profound impact on the application of wearable devices, and will be widely used in the future with the continuous penetration of personal smart terminals. The performance requirements of the adhesiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J11/04C08G59/50
CPCC09J163/00C09J11/04C08G59/504C08K2201/011C08K2003/2241C08L63/00C08K3/36C08K3/22
Inventor 岳风树方勇岳树伟王虹李刚
Owner SHENZHEN EUBO NEW MATERIAL TECH
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