LumipluS™
LumipluS™LP〇-XXXX are transparent resins with ultra-high refractive index (maximum; 1.76) and selectable curing method (heat curing or UV curing). LumipluS™ is suitable for mainly micro/nanoimprint, optical adhesive and optical additive etc. LumipluS™ can be customized its refractive index from 1.60 to 1.71 and can cover a wide range of applications as optical material. LumipluS™LZD－XXXX are transparent heat-resistance adhesives with medium refractive index.
Grade
- High Refractive Index and High Abbe’s Number / Standard Grade LPB-1102
Refractive index of LPB-1102 is 1.71. It is suitable for first trial as high refractive index optical resin. - Low Yellowing Grade LPC-1101, LPJ-1105
Refractive indexes of LPC-1101 and LPJ-1105 are 1.67 and 1.64, respectively. These are suitable for lightfast application compared with LPB-1102. - High Refractive Index / Rapid Curing Grade LPJ-1102
Refractive index of LPJ-1102 is 1.67. It is suitable for short time curing process. - High Refractive Index / Spin-Coating Grade LPS-1130
Refractive index of LPS-1130 is 1.69. Its viscosity is higher than that of LPB-1102, and it is suitable for spin-coating process. - Ultra-High Refractive Index LPL-1150 (Under Development)
Refractive index (d-line) of LPL-1150 is 1.76 (same with that of Sapphire).
Features
| Grade | LPB- |
LPC- |
LPJ- |
LPJ- |
|
|---|---|---|---|---|---|
Features |
High Refractive Index /standard | High Refractive Index /Low Yellowing | Low Yellowing | High Refractive Index /rapid curing | |
| poly mer |
Refractive Index (nd, 25℃) |
1.708 | 1.671 | 1.643 | 1.674 |
| Abbe's number (νd, 25℃) |
36 | 38 | 39 | 38 | |
| Yellowness Index (2.5mmt) |
0.6 | 0.7 | 0.7 | 0.6 | |
| Tg （℃, tanδ/DMS(10Hz)） |
105 | 70 | 60 | 95 | |
| Coefficient of Thermal Expansion （10-6/℃-1,average of -20～20℃） |
51 | 55 | 66 | 51 | |
| Water Absorption （%,23℃/24h) |
0.02 | 0.09 | 0.09 | 0.03 | |
| Pencil Hardness | H | HB | B | HB | |
resin |
Viscosity （mPa・ s, 25℃) |
12 | 24 | 34 | 17 |
| Shrinkage （%） |
12 | 11 | 11 | 10 | |
| Curing Method | Heating or UV radiation | ||||
| Grade | LPS- |
LPL- |
LPK- |
|
|---|---|---|---|---|
Features |
High Refractive Index /spin-coating | Ultra-High Refractive Index | UV resistance・rapid curing | |
| poly mer |
Refractive Index (nd, 25℃) |
1.694 | 1.760 | 1.624 |
| Abbe's number (νd, 25℃) |
35 | 29 | 39 | |
| Yellowness Index (2.5mmt) |
0.7 | 5.6 | 1.2 | |
| Tg （℃, tanδ/DMS(10Hz)） |
70 | ＜r.t. | 51 | |
| Coefficient of Thermal Expansion （10-6/℃-1,average of -20～20℃） |
51 | - | 73 | |
| Water Absorption （%,23℃/24h) |
0.02 | - | 0.12 | |
| Pencil Hardness | F | ＜6B | 6B | |
resin |
Viscosity （mPa・ s, 25℃) |
207 | ＜100 | 53 |
| Shrinkage （%） |
9 | 8 | 9 | |
| Curing Method | Heating or UV radiation | |||
Adhesives
- High Refractive Index Adhesives LPK-series
LPK-series are high refractive index adhesives. Their refractive index (1.60~1.66), Abbe’s number (high/low) and viscosity (high/low) can be customized. - High Refractive Index / High UV Resistance / Rapid Curing Adhesive LPK-2000
LPK-2000 is a high refractive index adhesive and free from inhibition of oxygen. It is suitable for applications with high light exposure and curing processes under atmospheric condition. - Medium Refractive Index / Heat Resistance Adhesive LZD-2020
LZD-2020 is a medium refractive index adhesive. It is suitable for adhesion of both poor-adherent inorganic and plastic materials. It shows high adhesion after an exposure to high temperature.
Features
| Grade | LPK series |
LPK- |
LPK- |
LZD- |
|
|---|---|---|---|---|---|
Features |
High Refractive Index | Medium Refractive Index | |||
| UV resistance /rapid curing | High Viscosity | Adhesive / Heat resistance | |||
| poly mer |
Refractive Index (nd, 25℃) |
1.60～1.66 | 1.624 | 1.618 | 1.534 |
| Abbe's number (νd, 25℃) |
- | 39 | 39 | - | |
| Yellowness Index (2.5mmt) |
- | 1.2 | - | 1.8 | |
| Tg （℃, tanδ/DMS(10Hz)） |
30～50 | 51 | 70 | - | |
| Weight Loss Temperature (1%) | - | - | - | 323 | |
resin |
Viscosity （mPa・ s, 25℃) |
200-2,000 | 70 | 2,300 | 230 |
| Shrinkage （%） |
6 | 6 | - | 8 | |
| Curing Method | UV, heating | UV, heating | UV, heating | UV, heating | |
Dose (mJ/cm2) |
200～ | 200 | - | ＜600 | |
Fig.1 Wavelength Dependence in Refractive index
Fig.2 Transmittance Curve
Packing
- Plastic bottle
- UV-block Syringe
Please feel free to ask your request.
Inquiries Concerning Products
Specialty Chemicals Business Sector
Optical Materials Division
TEL：+81-3-3283-4933 / FAX：+81-3-3283-4820