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Liquid Optical Bonding for Display

Momentive Performance Materials provides leading-edge silicone technologies to help its customers meet performance and productivity challenges in a wide range of automotive and electronic applications.  


Momentive is a pioneer in developing solutions for silicone optical bonding, with a portfolio of proven materials that are in wide use around the world.  Momentive offers a wide range of off-the-shelf solutions to help deliver design flexibility and long-term reliability to components operating under harsh conditions.

 

Liquid Optical Bonding SiliconesLiquid Optical Bonding Silicones


Key Features

  • High Transmittance
  • Low cure shrinkage
  • Good elasticity
  • High stability, low modulus 

Typical Benefits

  • Optical clarity
  • Stability/low modulus to help avoid Mura effect
  • CTE mismatch relief
  • Durable in harsh environments
  • Outgas permeability for use on plastics
  • Wide working temperature range

Potential Applications 

  • Displays for high ambient light environments
  • Automotive, consumer, and industrial electronics
  • Heavy-duty displays and touch-screens
  • Direct view technologies
  • Optical potting and other functional applications
  • Display, screen, and touch sensor layers in structure

Optical Products and Typical Properties

(selected grades only; please contact us for material selection support)

    OP2131SD  OP1131D  OP2012S  OP1012  SN3001  SN1001 

OP1912

(translucent) 

OP1912-B 

(black)

Cure-type    UV  UV  Thermal  Thermal 

Thermal

(Snap cure) 

Thermal

(Snap cure) 

Thermal  Thermal 
Cure condition *1    3000mJ/cm2  3000mj/cm2  60Cx30min  60Cx30min 

Gel time

23Cx18min.

Full adhesion.

2 days 

Gel time

23Cx18min.

Full adhesion.

2 days 

60Cx30min  60Cx30min 
Viscosity (mPa.s)    2300  2900  800  800  1000  1000  98800  98800 
Adhesion (MPa) *2    0.3  0.4  0.4  0.2  0.6  0.6 
Hardness    7 (E)  Gel  25(E)  Gel  Gel  Gel  Gel  Gel 

Transmittance (%) *3 

400nm  99 99  99  99  99  99 
800nm  99  99  99  99  99  99 

 Color coordinate (D65)

   
L* 99.89  99.7  99.83  99.96  99.88  99.88 
a*  -0.14  -0.14  -0.18  -0.16  -0.15  -0.15 
b*  0.08  0.12  0.02  0.01  0.05  0.03 
Haze (%)    0.2  0.2  0.05  0.01  0.05  0.05 

Typical properties are average data and are not to be used as or to develop specifications.

Footnotes: *1 Metal halide/Oven, *2 GL-GL 150um thickness, *3 1mm thickness

Liquid Optical Bonding SiliconesLiquid Optical Bonding Silicones

*The marks followed by an asterisk (*) are trademarks of Momentive Performance Materials Inc.