English
Español
tiếng việt
русский
High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Superior weather resistance and UV stability, maintaining gloss and color retention in exterior coatings.
Low volatile organic compound (VOC) content, supporting compliant high-solids formulation strategies.
Excellent compatibility with common acrylic, polyester, and cellulose ester resins in hybrid systems.
Good flow and leveling characteristics, enabling smooth film formation without orange peel defects.
Automotive OEM and refinish topcoats requiring high gloss and durability.
Industrial maintenance coatings for metal substrates exposed to harsh environments.
Architectural high-performance façade coatings with long-term aesthetic integrity.
Plastic coatings for automotive interior trim and consumer electronics housings.
Can and coil coating systems demanding rapid cure response and flexibility.
| Chemical Type | Hydroxy-functional acrylic copolymer |
| Product Form | Liquid resin in aromatic hydrocarbon solvent |
| Appearance | Clear, pale yellow liquid |
| Hydroxyl Value (mg KOH/g) | 65–75 |
| Acid Value (mg KOH/g) | < 5 |
| Solids Content (wt%) | 55 ± 2 |
| Viscosity (Brookfield RV, 25°C, spindles #3/4, rpm 20) | 4,000–7,000 cP |
| Density (g/cm³ at 25°C) | 0.94–0.97 |
Q1: What is the primary function of AAAA-5441 in coating formulations?
A: AAAA-5441 serves as a hydroxyl-functional acrylic resin that provides reactive sites for crosslinking with melamine, urethane, or isocyanate curing agents. It contributes to film hardness, chemical resistance, and gloss retention while maintaining good flow and leveling properties.
Q2: Is AAAA-5441 compatible with common solvent-based and high-solids coating systems?
A: Yes, AAAA-5441 exhibits broad compatibility with aromatic and aliphatic hydrocarbon solvents, esters, and ketones. It is widely used in both conventional solvent-borne and high-solids architectural and industrial coatings, and can be adapted for select low-VOC formulations with appropriate solvent selection and process adjustments.
Q3: How does AAAA-5441 compare to polyester-based hydroxyl resins in terms of weatherability and yellowing resistance?
A: As an acrylic-based resin, AAAA-5441 offers superior UV stability and significantly reduced tendency to yellow under prolonged exposure compared to many conventional hydroxyl-functional polyesters—making it especially suitable for exterior topcoats and light-colored finishes requiring long-term color fidelity.
Q4: What are typical handling and storage recommendations for AAAA-5441?
A: Store in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and sources of heat or ignition. Avoid prolonged exposure to moisture during handling. For optimal performance, use within 12 months of manufacture when stored under recommended conditions.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
