Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Low-viscosity optical adhesive composition, a preparation method thereof and application thereof to perfusion of touch screen to realize full lamination

An optical adhesive and composition technology, applied in the directions of non-polymer adhesive additives, adhesives, adhesive additives, etc., can solve the problems of poor flatness, low level, easy bubble production efficiency, etc., and achieve good light transmission. high rate, low refractive index, good wetting and debubbling effect

Active Publication Date: 2018-08-10
新纶光电材料(深圳)有限公司
View PDF11 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of poor flatness, prone to bubbles and low production efficiency when silicone LOCA is bonded to a super-large multi-point touch screen in the prior art, the invention provides a low-viscosity optical adhesive composition and a preparation method thereof , when the optical adhesive composition is poured into the touch screen, it can quickly complete the full lamination of the super-large multi-point touch screen, and there will be no bubbles and glue overflow, and it has good adhesive performance, temperature and humidity resistance and reliability. Thermal shock stability

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Low-viscosity optical adhesive composition, a preparation method thereof and application thereof to perfusion of touch screen to realize full lamination
  • Low-viscosity optical adhesive composition, a preparation method thereof and application thereof to perfusion of touch screen to realize full lamination
  • Low-viscosity optical adhesive composition, a preparation method thereof and application thereof to perfusion of touch screen to realize full lamination

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] The present invention and its beneficial effects will be described in further detail below with reference to the examples, but the embodiments of the present invention are not limited thereto.

[0036] A is vinyl silicone oil, A-1 is vinyl-terminated polydimethylsiloxane, the viscosity is 50 mPa·s, and the vinyl content is 1.5%; A-2 is vinyl-terminated polymethylvinylsiloxane, The viscosity is 200mPa·s, and the vinyl content is 0.8%; A-3 is ordinary vinyl silicone oil (the vinyl is not at the end), the viscosity is 50 mPa·s, and the vinyl content is 1.5%; A-4 is ordinary of vinyl silicone oil (the vinyl is not at the end), the viscosity is 200 mPa·s, and the vinyl content is 0.8%.

[0037] B is a hydrogen-containing polysiloxane, B-1 is a hydrogen-containing polysiloxane in which the terminal hydrogen and side chain partial hydrogen coexist, the viscosity is 5mPa·s, and the hydrogen content is 0.3%; B-2 is the terminal Hydrogen-containing polysiloxane coexisting with h...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
viscosityaaaaaaaaaa
viscosityaaaaaaaaaa
viscosityaaaaaaaaaa
Login to View More

Abstract

The invention provides a low-viscosity optical adhesive composition, which is prepared from the following components with contents in percentage by mass: 60 to 80 percent of vinyl silicone oil, 5 to 15 percent of hydrogen-containing polysiloxane, 1 to 3 percent of coupling agent, 3 to 15 percent of viscosity modifier, 1 to 3 percent of construction additive, 0 to 4 percent of photoinitiator, 0.001to 0.05 percent of catalyst and 0.001 to 0.05 percent of inhibitor. The low-viscosity optical adhesive composition can be used for quickly completing the full lamination of a super-large-size multipoint touch screen, moreover, cannot generate gas-bubble and adhesive-overflow phenomena, and meanwhile, has favorable bonding performance, temperature-resistant and damp-resistant reliability and coldand hot impact stability. The invention also provides a preparation method of the low-viscosity optical adhesive composition. The preparation method comprises the steps of proportioning, blending preparation, debubbling and subpackaging, and the like. The low-viscosity optical adhesive composition is simple in process and is safe and environment-friendly, and the industrialization is easily realized.

Description

technical field [0001] The present invention relates to a liquid optical adhesive and a preparation method thereof, in particular to a low-viscosity organic silicon liquid optical adhesive, a preparation method thereof, and its use in perfusion touch screen. Background technique [0002] When using silicone LOCA (Liquid Optical Transparent Glue) to fit the touch screen, the light and heavy release film can be avoided, cutting costs can be saved, the application is more flexible, the thickness can be controlled, and the process is relatively simple. In the process of subsequent use of the fitted touch screen, the reliability and touch sensitivity of the product have been significantly improved. However, the silicone LOCA with conventional viscosity (1000~3000mPa.s) has the following problems in the full lamination process of the ultra-large multi-touch screen (>84 inches): First, the natural flow rate of the silicone LOCA is slow, which makes the paste The production effi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C09J183/07C09J183/05C09J11/06
CPCC08L2203/206C08L2205/025C08L2205/03C09J11/06C09J183/04C08L83/04C08K5/5425
Inventor 张利利李志才
Owner 新纶光电材料(深圳)有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com