Specialty chemicals
Dendrimer-type multifunctional acrylate
Coating materials
Functional materials
Characteristics
This is a multifunctional acrylate with a dendrimer (hyperbranch) structure. It expresses its characteristic functions in UV curing. [1] Curing speed is fast [2] It is not easily affected by oxygen inhibition [3] Cure shrinkage is low [4] It combines both high hardness and flexibility.
It can be used as a resist material, hard coat material or substitute material for multifunctional acrylate.
Product data
| Product name | Solid content | Diluting solvent | Molecular weight | Viscosity |
|---|---|---|---|---|
| SIRIUS-501 | 50% | PGMAc | About 20,000 | 40±10 mPa･s |
| SUBARU-501 | 50% | AcOEt | About 20,000 | 10±5 mPa･s |
Features
Hardness comparison
| Product name | SIRIUS-501 | DPHA |
|---|---|---|
| Pencil hardness | 3H | 2H |
| Abrasion resistance | ○ | △ |
| Adhesion | 99/100 | 40/100 |
| «Substrate» | PET film (made by Toyobo, A4300 188 μm) |
| «Sample» | SIRIUS-501(N.V.100%) or DPHA/Irg184/MEK = 100/5/105 |
| «Hardness/adhesion» | Film thickness: 5 μm (coated using a bar coater, 100°C/ dried for 10 mins), exposure: 1,000 mJ/cm2 |
| «Reaction speed» | Film thickness: 3 μm (coated using a bar coater, 100°C/dried for 10 mins), method: double bond consumption rate (IR 810 cm -1) |
| «Oxygen inhibition» | Film thickness: 3 μm (coated using a bar coater, 100°C/dried for 10 mins), method: tack free |
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