High-Molecular weight saturated polyester resin
Nichigo-POLYESTER™
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- SPR Dept.
Testing Methods Nichigo-POLYESTER™
| Testing Methods (Nichigo-POLYESTER) | |
|---|---|
| Melt viscosity | Flow tester(30kgf/cm2) |
| Tg (Glass transition temperature), Melting point | DSC |
| Flow start temperature | Flow tester(30kgf/cm2) |
| Hardness | Shore D |
| Hydroxyl value | Neutralization titration using the acetic acid anhydride / pyridine method; Acid Value: Neutralization titration |
| Tensile test | Test piece: 5mm width; Distance between chucks: 20mm; Tension rate: 50mm/min (23℃) |
| Adhesion Testing Method | |
|---|---|
| Cross-linker | Coronate L-55E (supplied by Tosoh corporation) |
| Substrate | PET film (38μm) |
| Adherend | SUS sheet |
| Drying | 100℃ × 3min |
| Coating thickness | 25μm |
| Aging | 40℃ × 4 days |
| Adhesive force | 180 peels (Peel speed: 300mm/min; 23℃ × 50%RH) 2kg roller × 2 times forwards and backwards |
| Holding power | SUS sheet; 25mm×25mm adhesion; 2kg roller × 2 times forwards and backwards; Load: 1kg
|
| Ball tack | J.Dow method ∠30°/23℃×50%RH |
| Optical PropertiesTesting Methods | |
|---|---|
| Cross-linker | Coronate L-55E (by Tosoh corporation) |
| Substrate | PET film (100μm) |
| Adherend | Polycarbonate film (2mm) |
| Drying | 100℃×4min |
| Coating thickness | 50μm |
| Aging | 40℃×4days |
| Adhesive force |
180℃ peel (peeling speed: 300mm/min) 2kg roller × two forwards and backwards passes *Adherend: Polycarbonate *Autocreve treatment(0.5MPa×50℃×20min) in case of adhesive properties under 85℃ |
| Blister resistance |
Appearance transition after 24hr under 85℃/85％RH *Adherend: Polycarbonate
|
This site has been created based on our technical knowledge, but does not necessarily guarantee performance in all applications. Similarly, figures contained herein are representative values, and not guaranteed values. Please use our products after fully examining their applicability, or contact us should you have any questions.
