English
Español
tiếng việt
русский
Water-reducible alkyd resin enabling low-VOC, high-performance coatings without co-solvent dependency.
Excellent balance of drying speed, hardness development, and flexibility for demanding industrial applications.
Superior gloss retention and weather resistance in exterior architectural and maintenance coatings.
Good compatibility with acrylic emulsions, urethane dispersions, and crosslinkers for hybrid formulation flexibility.
Stable aqueous dispersion with low viscosity, facilitating easy handling and efficient incorporation into waterborne systems.
Exterior architectural waterborne topcoats for wood and metal substrates.
Maintenance coatings for bridges, pipelines, and industrial infrastructure.
Waterborne wood finishes requiring fast dry-through and sandability.
Hybrid waterborne primers and mid-coats for metal and concrete surfaces.
Low-VOC decorative coatings compliant with stringent regional VOC regulations (e.g., EU Directive 2004/42/EC).
| Chemical Type | Water-reducible alkyd resin (modified phthalic anhydride-based) |
| Product Form | Aqueous dispersion (non-ionic stabilized) |
| Appearance | Opaque white to off-white liquid |
| Solids Content (wt.%) | ~40 ± 1% |
| pH | 7.5 – 8.5 |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 150 – 350 mPa·s |
| Density (20°C) | ~1.02 – 1.05 g/cm³ |
| Primary Applications | Waterborne architectural and industrial protective coatings |
Q1: What is the primary function of RESYDROL AZ 6185w/40WA in waterborne alkyd systems?
A: RESYDROL AZ 6185w/40WA is a water-reducible alkyd resin designed to provide film-forming capability, gloss development, and improved hardness build in low-VOC, waterborne decorative and protective coatings. It contributes to good substrate wetting and supports balanced drying behavior through oxidative crosslinking.
Q2: Can this resin be used in direct-to-metal (DTM) applications?
A: Yes — RESYDROL AZ 6185w/40WA is commonly formulated into DTM coatings for interior and exterior mild- to moderate-exposure environments. Its hydrophobic backbone and oxidative cure mechanism support acceptable corrosion resistance when combined with appropriate pigments, inhibitors, and co-binders.
Q3: How does RESYDROL AZ 6185w/40WA differ from conventional solvent-based alkyds?
A: Unlike traditional solvent-based alkyds, AZ 6185w/40WA contains built-in emulsifiability and water dispersibility via pendant ionic or hydrophilic groups. This enables stable aqueous dispersion without requiring high levels of external surfactants, resulting in improved water resistance post-cure and reduced foam sensitivity during manufacturing and application.
Q4: Is RESYDROL AZ 6185w/40WA compatible with acrylic emulsions and other common waterborne binders?
A: Yes — it demonstrates broad compatibility with vinyl acetate-ethylene (VAE), styrene-acrylic, and pure acrylic emulsions. Formulators often use it as a reactive modifier to enhance block resistance, scrub resistance, and alkali stability in hybrid systems, though compatibility testing under specific pH and shear conditions is recommended.
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
