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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without co-solvent dependency.
Excellent gloss retention and film hardness development after ambient cure.
Superior compatibility with acrylic dispersions and other waterborne resins for hybrid formulations.
Good hydrolytic stability and storage stability in neutral to slightly alkaline aqueous systems.
Enables formulation of durable, flexible films with balanced mar resistance and sandability.
Architectural interior wood coatings (e.g., trim, cabinets, doors).
Industrial maintenance coatings for metal substrates in mild environments.
DIY and professional-grade waterborne wood varnishes and clear finishes.
Low-VOC furniture coatings requiring good flow, leveling, and recoatability.
| Chemical Type | Water-reducible alkyd resin (modified soy oil-based) |
| Product Form | Aqueous dispersion |
| Appearance | Opaque white to off-white liquid |
| pH (10% solution) | 7.5 – 8.5 |
| Solids Content (wt%) | 38 ± 1% |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 100 – 300 mPa·s |
| Particle Size (D50) | 0.2 – 0.5 µm |
| Minimum Film Formation Temperature (MFFT) | ~25°C |
Q1: What is the primary application area for RESYDROL AY 466w/38WA?
A: RESYDROL AY 466w/38WA is a water-reducible alkyd resin specifically designed for high-performance architectural and industrial maintenance coatings, including interior/exterior wall paints, primers, and low-VOC decorative finishes where good gloss retention, scrub resistance, and substrate adhesion are required.
Q2: How is RESYDROL AY 466w/38WA typically incorporated into waterborne coating formulations?
A: It is generally added during the let-down phase of waterborne acrylic-alkyd hybrid systems, often as a film-forming co-binder. The resin disperses readily in water with mild agitation and is compatible with common anionic and nonionic surfactants, coalescing agents, and rheology modifiers used in architectural paint formulations.
Q3: Does RESYDROL AY 466w/38WA require catalysts or curing agents to achieve full performance?
A: No — it is a self-crosslinking alkyd resin that undergoes oxidative crosslinking upon air exposure, delivering improved hardness and chemical resistance over time. While ambient cure is standard, performance development may be accelerated under warm, well-ventilated conditions; no metal driers or external crosslinkers are needed for basic film formation.
Q4: Can RESYDROL AY 466w/38WA be blended with acrylic emulsions?
A: Yes — it is formulated for compatibility with a broad range of vinyl acetate–ethylene (VAE) and pure acrylic emulsions. Successful blending typically requires pH stabilization (target range ~7.5–9.0) and careful sequencing during let-down to ensure uniform dispersion and avoid coagulation.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
