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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Low viscosity enabling high-solids formulation without excessive solvent use.
Superior weather resistance and UV stability for long-term outdoor performance.
Excellent compatibility with common acrylic, polyester, and cellulose ester resins.
Consistent batch-to-batch reproducibility meeting stringent automotive OEM coating requirements.
Automotive OEM topcoats and clearcoats.
Industrial maintenance coatings for metal substrates.
High-performance coil coatings requiring excellent formability and corrosion resistance.
Premium architectural coatings for façade and roofing systems.
Refinish coatings requiring fast cure and high gloss retention.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin in aromatic hydrocarbon solvent |
| Appearance | Clear, pale yellow liquid |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Acid Value (mg KOH/g) | < 5 |
| Non-Volatile Content (% w/w) | 60 ± 2 |
| Gardner Color | < 3 |
| Viscosity (mPa·s at 25°C) | 1,200–1,800 |
Q1: What is the primary function of Alcreset 7122 in coating formulations?
A: Alcreset 7122 serves as a hydroxyl-functional acrylic resin that acts as a reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, crosslink density, and enhances mechanical properties such as hardness, flexibility, and chemical resistance.
Q2: Is Alcreset 7122 compatible with common isocyanate hardeners?
A: Yes, Alcreset 7122 is designed for compatibility with standard aliphatic and aromatic isocyanate crosslinkers, including HDI-based and IPDI-based polyisocyanates. Its hydroxyl functionality enables efficient urethane bond formation under typical curing conditions.
Q3: How does Alcreset 7122 perform in high-solids or low-VOC formulations?
A: Alcreset 7122 is formulated to support high-solids applications, offering good viscosity control and compatibility with reactive diluents. Its molecular design helps maintain application performance while enabling VOC reduction without significant compromise in cure speed or final film integrity.
Q4: Can Alcreset 7122 be used in automotive refinish or industrial maintenance coatings?
A: Yes — it is commonly employed in demanding industrial and automotive topcoat systems where balanced durability, gloss retention, and weatherability are required. Its acrylic backbone provides UV stability, while its hydroxyl content ensures robust crosslinking in both air-dry and forced-cure environments.
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