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OCA optical adhesive for mobile phone screen protection films

A mobile phone screen and protective film technology, applied in adhesives, non-polymer organic compound adhesives, non-polymer adhesive additives, etc., can solve the problems of unsatisfactory high and low temperature resistance and humidity performance, and achieve good high temperature resistance and low temperature resistance, lower production costs, excellent high and low temperature resistance and humidity effects

Inactive Publication Date: 2018-04-13
芜湖辉灿电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of the existing OCA optical adhesives against high and low temperature and humidity is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] An OCA optical adhesive for mobile phone screen protective film, comprising the following components in weight percentage: 50-60 parts of cyanoacrylate, 30-40 parts of hydroxyethyl acrylate, 2-7 parts of hexamethylphosphoric diamide, 3-8 parts of 2,3-epoxycyclopentyl ether, 1-6 parts of tetraethyl Michler's ketone, 4-8 parts of aliphatic diethanol ester, 5-10 parts of isooctyl trimercaptopropionate , 1-5 parts of nano-zinc oxide, 2-6 parts of nano-silica, 1-7 parts of p-hydroxyanisole.

Embodiment 2

[0013] An OCA optical adhesive for mobile phone screen protective film, comprising the following components in weight percentage: 50.7-59.6 parts of cyanoacrylate, 30.7-39.0 parts of hydroxyethyl acrylate, 2.4-6.8 parts of hexamethylphosphoric diamide, 3.5-7.4 parts of 2,3-epoxycyclopentyl ether, 1.6-5.3 parts of tetraethyl Michler's ketone, 4.2-7.1 parts of aliphatic diethanol ester, 5.9-8.7 parts of isooctyl trimercaptopropionate , 1.2-4.6 parts of nano-zinc oxide, 2.4-5.3 parts of nano-silica, 1.3-6.6 parts of p-hydroxyanisole.

Embodiment 3

[0015] An OCA optical adhesive for mobile phone screen protection film, comprising the following components in weight percentage: 51.4-58.0 parts of cyanoacrylate, 32.3-38.4 parts of hydroxyethyl acrylate, 3.2-5.9 parts of hexamethylphosphoric diamide, 4.6-7.0 parts of 2,3-epoxycyclopentyl ether, 2.1-4.7 parts of tetraethyl Michler's ketone, 5.0-6.8 parts of aliphatic diethanol ester, 6.3-8.2 parts of isooctyl trimercaptopropionate , 1.9-3.8 parts of nano-zinc oxide, 2.8-4.7 parts of nano-silica, 2.2-5.4 parts of p-hydroxyanisole.

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Abstract

The invention relates to a glue, concretely relates to an OCA optical adhesive for mobile phone screen protection films, and belongs to the technical field of acrylate pressure-sensitive adhesives. The OCA optical adhesive for mobile phone screen protection films includes, by weight, 50-60 parts of cyanoacrylate, 30-40 parts of hydroxyethyl acrylate, 2-7 parts of hexamethylphosphoric diamide, 3-8parts of 2,3-epoxycyclopentyl ether, 1-6 parts of 4,4'-bis(diethylamino)benzophenone, 4-8 parts of aliphatic diglycolate, 5-10 parts of isooctyl 3-mercaptopropionate, 1-5 parts of nanometer zinc oxide, 2-6 parts of nano-silica, and 1-7 parts of p-methoxyphenol. Raw materials are compounded in the invention, so the OCA optical adhesive has excellent resistance to high and low temperatures and humidity, and has the advantages of strong and stable adhesion force, good light transmittance and no fogging or blushing when used as a filling glue and a bonding double-sided adhesive between the touch layer and the display layer of a display.

Description

technical field [0001] The invention relates to a rubber material, in particular to an OCA optical glue for a mobile phone screen protective film, and belongs to the technical field of acrylic pressure-sensitive adhesives. Background technique [0002] In recent years, the development of touch screens is extremely rapid. With the increasing number of multimedia information inquiries, people are using more and more touch screens. Optical OCA is colorless and transparent, has a light transmittance above 90%, and has good bonding strength. It can be cured at room temperature or medium temperature, and has the advantages of small curing shrinkage and no yellowing, especially for ITO glass and optical components. Non-corrosive and other advantages, so with its excellent physical and chemical properties, it is most widely used in the touch screen industry. However, the performance of the existing OCA optical adhesives against high and low temperature and humidity is not ideal. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/04C09J4/02C09J11/04C09J11/06
CPCC09J4/00C09J11/04C09J11/06
Inventor 蔡墩深
Owner 芜湖辉灿电子科技有限公司
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