Dispersion of Zirconia Nanoparticles : ZIRCOSTAR™ High Refractive Index Nanoparticles
- Main Applications
Nanofillers with a high refractive index, Matching materials for refractive index and Abbe number, Dental materials
- Applications
- Functions
Features and Properties
Zirconia nanoparticles exhibiting stable dispersion in various organic solvents, developed using Nippon Shokubai’s proprietary technology. Suitable for molding and coating materials requiring high transparency and a high refractive index.
- Good dispersibility in various organic solvents
Examples: Methyl ethyl ketone (MEK), Propylene glycol monomethyl ether acetate (PGMEA) - Good compatibility with UV curable acrylic resins and monomers
Examples: Benzyl acrylate, Isobornyl acrylate, Isobornyl methacrylate, N-vinylpyrrolidone, AOMA™, VEEA™, VEEM™ - High solid content
Example: 80 wt%
Details of Functions
Dispersion Properties
You can choose from a diverse lineup based on the required refractive index and intended application. Options include solvent-dispersed types and solvent-free monomer-dispersed types.
Solvent Dispersion Type
| ZP-153 | Type LP (Development Product) | |
|---|---|---|
| Standard Product | High refractive index products | |
| Dispersing Medium | Methyl ethyl ketone (MEK) | Propylene glycol monomethyl ether (PGM) |
| Particle Content Rate | 70 wt% | 70 wt% |
| Viscosity (20°C) | 10 mPa･s | 70 mPa･s |
| Refractive Index of Particles | 1.78 | 1.86 |
| Average Particle Size | 11 nm | 18 nm |
| Crystal System | Tetragonal crystal system | |
Monomer Dispersion Type (Solvent-Free)
| HR-101 | HR-301 | HR-LP-1 | HR-LP-2 | |
|---|---|---|---|---|
| Standard Product | High Refractive Index Products | Development Product | Development Product | |
| Dispersing Medium | Benzyl Acrylate | High Refractive Index Acrylic Monomer | Benzyl Acrylate | High Refractive Index Acrylic Monomer |
| Viscosity (20°C) | 3,000 mPa･s | 80,000 mPa･s | 500 mPa･s | 40,000 mPa･s |
| Refractive Index of Dispersion Liquid | 1.66 | 1.69 | 1.70 | 1.75 |
| Average Particle Size | 11 nm | 11 nm | 18 nm | 18 nm |
| Crystal System | Tetragonal crystal system | |||
Coating Film Properties
| Example A （ without ZIRCOSTAR ) | Example B | Example C | |
|---|---|---|---|
| Particle Content | 0 wt% | 50 wt% | 80 wt% |
| Refractive Index | 1.51 | 1.65 | 1.74 |
| Transmittance | 90% | 90% | 90% |
| Haze | 0.8% | 0.8% | 0.8% |
| Pencil Hardness | 2H | 2H | 2H |
Evaluation Conditions
- Formulation
Dispersion: ZP-153
Binder: Pentaerythritol triacrylate (PETA)
Photo initiator: Irgacure184 (1.5 wt% / solid) - Substrate: PET film (Thickness: 100 μm)
- Cured condition: Dry at 80°C for 5 minutes → UV curing by irradiation at 1500 mJ/cm2
- Cured film thickness: 5 μm
Examples of Applications
- Nanofillers with a high refractive index
[Examples of Use] Coating materials for optical films, anti-reflective films, hard coatings for lenses and mirrors, optical adhesives, resist materials, materials for optical waveguide forming etc. - Materials for refractive index and Abbe number tuning
[Examples of Use] Optical lens etc. - Raw materials for dental applications
* Please be sure to read the Chemical Products Safety Data Sheet (SDS) when handling this product.
Nippon Shokubai’s Fine Particles
