Polyamide Resin for Flexo Ink
CAS Number: 63428-84-2
Dimer-acid-based polyamide resin designed as the primary binder for alcohol/ester-solvent flexographic inks on flexible packaging substrates. It delivers superior adhesion to BOPP, PE, and PET films together with excellent blocking resistance and lamination bond strength. Used in combination with nitrocellulose to balance gloss, flexibility, and solvent release.
Technical Specifications
| appearance | Light amber solid pellets or flakes |
| viscosity (mPa·s) | 300–1500 (50% in ethanol, 25 °C) |
| acid value (mgKOH/g) | ≤5 |
| amine value (mgKOH/g) | 2–10 |
| softening point (°C) | 95–115 |
Applications
- Flexible packaging flexographic inks (BOPP, PE, PET)
- Surface printing inks for polyolefin films
- Laminating inks requiring high bond strength
- Textile and non-woven printing inks
- Paper bag and kraft printing inks
Key Features
- Excellent adhesion and lamination bond on polyolefin films
- Good blocking resistance for high-speed roll-to-roll printing
- Fully soluble in alcohols and esters for low-VOC formulations
- Balanced flexibility and hardness for crack-free ink films
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CAS Number
63428-84-2
Category
Printing Ink ChemicalsAvailability
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