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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without co-solvents.
Excellent balance of drying speed, hardness development, and flexibility for demanding industrial applications.
Superior gloss retention and color stability upon UV exposure and weathering.
Good compatibility with acrylic emulsions and other waterborne resins for hybrid formulation flexibility.
Low yellowing tendency, ideal for white and pastel decorative and protective coatings.
Architectural interior and exterior wall paints requiring durability and aesthetic performance.
Industrial maintenance coatings for metal substrates in mild to moderate corrosion environments.
Wood finishing systems including furniture, cabinetry, and interior trim coatings.
General-purpose waterborne protective coatings for concrete and masonry surfaces.
Hybrid waterborne topcoats for OEM and refinish applications where alkyd-like film properties are essential.
| Chemical Type | Water-reducible alkyd resin (soy oil-modified) |
| Product Form | White to off-white aqueous dispersion |
| Appearance | Opaque, homogeneous liquid |
| pH (at 25°C) | 7.5 – 8.5 |
| Non-Volatile Content (wt%) | 44.0 – 46.0 |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 150 – 400 mPa·s |
| Particle Size (D50) | 0.2 – 0.5 µm |
| Minimum Film Formation Temperature (MFFT) | ≤ 15°C |
Q1: What is the primary function of RESYDROL AY 586w/45WA in waterborne alkyd coatings?
A: RESYDROL AY 586w/45WA is a water-reducible alkyd resin designed to provide excellent film formation, gloss development, and substrate adhesion in ambient-cure, low-VOC decorative and protective coatings—particularly where traditional solventborne performance is desired without high emissions.
Q2: Is RESYDROL AY 586w/45WA compatible with acrylic emulsions and other common waterborne binders?
A: Yes, it exhibits good compatibility with many acrylic, vinyl acetate, and styrene-acrylic emulsions, enabling hybrid formulations that balance alkyd-specific properties (e.g., flow, leveling, and recoatability) with the stability and fast-drying characteristics of emulsion systems.
Q3: How should RESYDROL AY 586w/45WA be neutralized for optimal water dispersion?
A: It is typically neutralized with low-molecular-weight amines such as dimethylethanolamine (DMEA) or triethylamine (TEA), adjusted to pH 8.0–9.0 depending on formulation requirements. Neutralization level should be optimized empirically to ensure colloidal stability and viscosity control without compromising film integrity.
Q4: Can this resin be used in exterior-grade architectural coatings?
A: Yes, when properly formulated with appropriate UV stabilizers, antioxidants, and co-binders, RESYDROL AY 586w/45WA supports durable exterior performance—including resistance to chalking and gloss retention—though long-term weathering behavior depends on the full system design and pigmentation.
Q5: What are key storage and handling recommendations for this product?
A: Store in tightly sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and freezing conditions. Avoid prolonged exposure to elevated temperatures or strong oxidizing agents. Prior to use, inspect for signs of phase separation or viscosity change; gentle mechanical stirring may be required if settled.
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