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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without sacrificing film integrity.
Excellent balance of hardness development and flexibility for durable, impact-resistant dry films.
Good compatibility with acrylic and vinyl co-resins, facilitating hybrid formulation design.
Fast ambient cure kinetics with strong crosslink density development in air-dry systems.
Stable in neutral to mildly alkaline aqueous dispersions, supporting broad formulation pH windows.
Architectural interior and exterior waterborne wood stains and clear finishes.
Industrial maintenance coatings for metal and concrete substrates.
Waterborne varnishes and topcoats for furniture and cabinetry.
Low-VOC general-purpose industrial primers and mid-coats.
Refinish coatings for automotive aftermarket and equipment refurbishment.
| Chemical Type | Water-reducible alkyd resin (soy-oil modified) |
| Product Form | Aqueous dispersion |
| Appearance | Opaque white to off-white liquid |
| pH (as supplied) | 8.0–9.0 |
| Solids Content | 44–46 wt% |
| Viscosity (Brookfield RVT, #3, 20 rpm, 25°C) | 1,200–2,500 mPa·s |
| Density (25°C) | Approx. 1.02 g/cm³ |
| Primary Applications | Waterborne protective and decorative coatings |
Q1: What is the primary function of RESYDROL AY 6150w/45WA in waterborne coatings?
A: RESYDROL AY 6150w/45WA is a water-reducible alkyd resin designed to provide excellent film formation, gloss development, and substrate adhesion in low-VOC, waterborne decorative and protective coatings—particularly where traditional solventborne performance attributes are desired without compromising environmental compliance.
Q2: Can this resin be used in direct-to-metal (DTM) applications?
A: Yes, RESYDROL AY 6150w/45WA is commonly formulated into waterborne DTM coatings for interior and mild exterior metal substrates. Its hydrophobic backbone contributes to improved corrosion resistance and early water resistance, though optimal performance requires appropriate pigment selection, co-resins, and crosslinkers.
Q3: How does RESYDROL AY 6150w/45WA differ from conventional solventborne alkyds?
A: Unlike traditional solventborne alkyds, AY 6150w/45WA is self-emulsifiable and water-reducible—enabling stable dispersion in water with minimal or no added surfactants. It offers faster ambient drying than many acrylic dispersions while retaining the flexibility, flow, and recoatability typical of alkyd chemistry.
Q4: Is RESYDROL AY 6150w/45WA compatible with common waterborne crosslinkers?
A: Yes, it demonstrates good compatibility with melamine-formaldehyde resins, aziridine-based crosslinkers, and certain blocked isocyanates. Compatibility and cure response should be verified experimentally within the full formulation, as pH, ionic strength, and co-binder interactions influence crosslinking efficiency.
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E-mail: wangxingqiang@ericwchem.com
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