English
Español
tiếng việt
русский
High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Outstanding weather resistance and UV stability, ensuring long-term gloss retention and color fidelity.
Low viscosity at high solids content (≥75% w/w), enabling high-transfer-efficiency application and reduced VOC emissions.
Excellent compatibility with common acrylic, polyester, and epoxy resins in hybrid coating systems.
Good storage stability with minimal viscosity drift over 12 months at ambient temperature.
Automotive OEM clearcoats and basecoats requiring high durability and appearance performance.
Industrial maintenance coatings for metal substrates exposed to outdoor or corrosive environments.
High-end architectural coatings, including premium façade and cladding systems.
Plastic coatings for automotive interior trim and consumer electronics housings.
Coil coatings where rapid cure response and film flexibility are critical.
| Chemical Type | Hydroxy-functional acrylic copolymer |
| Product Form | Clear liquid |
| Appearance | Water-white to pale yellow, transparent |
| Solids Content (wt%) | 75.0 ± 1.0% |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Acid Value (mg KOH/g) | < 5.0 |
| Viscosity (25°C, mPa·s) | 3,000–5,000 (Brookfield RV, spindle #3, 20 rpm) |
| Density (25°C, g/cm³) | 1.02–1.05 |
Q1: What is the primary functional role of AAAA-5120 in coating formulations?
A: AAAA-5120 serves as a hydroxyl-functional acrylic resin that provides reactive sites for crosslinking with melamine, polyisocyanate, or other multifunctional curing agents—enabling the development of thermoset coatings with enhanced hardness, chemical resistance, and film integrity.
Q2: Is AAAA-5120 compatible with common solvent-based and high-solids coating systems?
A: Yes, AAAA-5120 exhibits good compatibility with aromatic and aliphatic hydrocarbon solvents, esters, and ketones, making it suitable for both conventional solvent-borne and high-solids architectural, industrial, and automotive refinish applications.
Q3: How does AAAA-5120 contribute to film flexibility and durability?
A: Its carefully balanced molecular architecture delivers a favorable combination of rigidity and chain mobility, supporting excellent substrate adhesion, impact resistance, and long-term weatherability without excessive brittleness—particularly when formulated with appropriate crosslinker ratios and plasticizers.
Q4: Can AAAA-5120 be used in low-VOC or water-reducible systems?
A: While inherently designed for solvent-based systems, AAAA-5120 can be incorporated into water-reducible formulations using co-solvents and surfactants—though performance optimization requires careful adjustment of pH, emulsification method, and coalescent selection.
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
