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High refractive index materials (HIM series)

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Functions

  • Resin compositions with high refractive index of 1.6 to 1.74.
  • Resins of high refractive index and transparency even without using fillers.
  • Low-viscosity compositions.
  • Compatible with both heat- and photo-curing methods.

SUMITOMO SEIKA CHEMICALS customizes resin compositions using high refractive index monomers(MPX series), utilizing organic sulfur compound synthesis technology developed by SUMITOMO SEIKA CHEMICALS.

 

Properties of compositions

  Components Compositions Cured Product
Appearance

Viscosity

Curing Method

Refractive Index

mPa・s(25℃)  nD (25℃)
1 HIM-3 Colorless liquid 24 UV, Heat 1.72
2

HIM-4

Colorless liquid 16 UV, Heat 1.71
3 HIM-6 Colorless liquid 19 UV, Heat 1.71
4 HIM-9 Colorless liquid 14 Heat 1.70

 

Applications

 - For index matching

 - For improving light extraction efficiency