LumipluS
LumipluS is the Transparent resin with ultra high refractive index and selectable curing method (Heat curing or UV curing). LumipluS can customize its refractive index from 1.64 to 1.71 and can cover a wide range of applications as optical material.
Typical Properties
| Type | LPB-1102 | LPC-1101 | LPJ-1105 | ||
|---|---|---|---|---|---|
| Features | High Refractive Index | High Refractive Index / Low Yellowing |
Low Yellowing | ||
| [Resin] | Viscosity (mPa s, 25℃) |
12 | 24 | 34 | |
| Shrinkage(%) | 12 | 11 | 11 | ||
| Curing Method | Heating or UV radiation | ||||
| [Polymer] | Refractive Index (nd, 25℃) | 1.71 | 1.67 | 1.64 | |
| Abbe's Number(νd, 25℃) | 36 | 38 | 39 | ||
| Yellowness Index (2.5mmt) |
Initial | 0.7 | 0.6 | 0.6 | |
| 120℃ ,96hr |
2.9 | 2.1 | 1.6 | ||
| Tg (℃,tanδ /DMS) |
105 | 70 | 60 | ||
| Coefficient of Linear Expansion (10-5/℃, Average of30-90℃) |
8 | 13 | 15 | ||
| Modulus of Elasticity | (GPa,30℃) | 5 | 4 | 4 | |
| (GPa,90℃) | 2 | 0.1 | 0.1 | ||
| Hardness (ShoreD) | 70 | 70 | 70 | ||
| Water Absorption (%,23℃/24hr) |
0.02 | 0.09 | 0.09 | ||
Fig.1 Wavelength Dependency of Refractive index
Fig.2 Transmittance Curve

Inquiries
Specialty Chemicals Company
Planning&Development Division
TEL: +81-3-3283-4869
FAX: +81-3-3283-4820
