KDD 731 is an adhesion-enhanced resin modified by special monomer polymerization from KDD Chemicals' PET-specific modified thermoplastic acrylic resin series, designed for coating of PET plastic and flexible substrates. This water-white transparent viscous liquid resin with environmentally friendly dimethyl carbonate as solvent has a solid content of 50%, excellent adhesion to PET substrates, forming film with good anti-blocking property and firm interlayer bonding
PET-specific adhesion - Customized for PET plastic substrates, with strong adhesion, solving the industry pain point of difficult PET coating.
Excellent anti-blocking property - Outstanding anti-blocking after film formation, avoiding coating adhesion and ensuring stability of end product storage and transportation.
Good interlayer compatibility - Excellent interlayer adhesion, can be used as intermediate layer of composite coating to improve overall bonding strength of coating.
Environmentally friendly solvent system - Using dimethyl carbonate solvent, meeting the trend of environmental coating, safer and more compliant to use.
PET film coatings: Single-component coatings for PET packaging films and electronic films, improving surface protection and printing adaptability.
Flexible substrate coating: Single-component coatings for flexible plastics, leather and other flexible substrates, adapting to flexible deformation of substrates without brittleness.
UV/PU primer matching: Used as primer for UV or PU coatings, improving adhesion between topcoat and substrate, optimizing overall coating performance.
Composite packaging coatings: Coatings for food and daily chemical PET composite packaging, anti-blocking and environmentally friendly, ensuring packaging safety.
| Resin Appearance | Water-white transparent viscous liquid |
| Chemical Type | Modified thermoplastic acrylic resin (modified by special monomer polymerization) |
| Solid Content (wt%) | 50±2 |
| Solvent | Dimethyl carbonate |
| Viscosity (25℃, cps) | 6000~10000 |
| Acid Value (mgKOH/g) | 2.0~4.0 |
| Glass Transition Temperature (Tg, ℃) | 15 |
| Core Adhesion | Excellent adhesion to PET plastic substrates |
| Anti-blocking Property | Good |
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