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Water-reducible alkyd resin enabling low-VOC, high-performance coatings without co-solvents.
Excellent gloss retention and through-dry performance in ambient-cure applications.
Superior compatibility with acrylic dispersions and other waterborne resins for hybrid systems.
Good hydrolytic stability and storage shelf life under standard warehouse conditions.
Enables formulation of durable, flexible films with balanced hardness and impact resistance.
Architectural interior wall paints requiring low odor and rapid dry-to-touch.
Industrial maintenance coatings for metal substrates in mild-corrosion environments.
Wood finishing primers and topcoats for furniture and cabinetry.
General-purpose waterborne decorative coatings for DIY and professional markets.
Touch-up and repair coatings for OEM and aftermarket applications.
| Chemical Type | Water-reducible alkyd resin (modified soybean oil-based) |
| Product Form | Liquid dispersion in water |
| Appearance | Opaque white to off-white liquid |
| pH (10% aqueous solution) | 7.5 – 8.5 |
| Non-Volatile Content (wt%) | 84.0 – 86.0 |
| Viscosity (Brookfield, RVT, #3, 20 rpm, 25°C) | 1,200 – 2,200 mPa·s |
| Density (20°C) | 1.02 – 1.05 g/cm³ |
| Free Formaldehyde (max) | < 0.005 wt% |
Q1: What is the primary application area for RESYDROL VAF 5435w/85LG?
A: This water-reducible alkyd resin is specifically designed for high-performance, low-VOC decorative and protective coatings—particularly interior and exterior architectural paints, wood finishes, and maintenance coatings where balanced drying, gloss retention, and substrate adhesion are required.
Q2: How does RESYDROL VAF 5435w/85LG differ from conventional solventborne alkyds?
A: Unlike traditional solventborne alkyds, VAF 5435w/85LG is formulated for water dispersion with minimal co-solvent use, enabling significantly lower VOC content while maintaining good film formation, flexibility, and compatibility with common acrylic and vinyl dispersions in hybrid systems.
Q3: Can this resin be used in tinted systems, and are there any compatibility considerations?
A: Yes, RESYDROL VAF 5435w/85LG demonstrates good compatibility with standard universal colorants and pigment preparations commonly used in architectural coatings. However, optimal performance requires evaluation of pH stability and shear sensitivity during incorporation—especially when blending with highly ionic or alkaline additives.
Q4: What type of crosslinking or curing mechanism does it rely on?
A: As a non-self-crosslinking, air-drying alkyd, VAF 5435w/85LG cures primarily via oxidative crosslinking upon exposure to atmospheric oxygen. It is not intended for forced thermal cure or co-reactive crosslinking unless blended with suitable reactive co-resins or catalysts.
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E-mail: wangxingqiang@ericwchem.com
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