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Low VOC content (< 50 g/L), compliant with stringent global environmental regulations including EU REACH and US EPA standards.
Excellent film-forming capability at room temperature, yielding flexible, transparent, and abrasion-resistant coatings.
Outstanding hydrolytic stability and storage stability (≥12 months at 5–35°C in sealed original container).
Good compatibility with acrylic emulsions, cellulose derivatives, and common water-based crosslinkers (e.g., aziridine or carbodiimide types).
Low surface tension enabling superior substrate wetting on low-energy surfaces such as polyolefins and PET films.
High-performance water-based leather finishing topcoats for footwear and furniture.
Flexible packaging coatings for laminated paper, BOPP, and metallized films.
Textile coating binders for waterproof/breathable functional fabrics.
Wood coating base resin in water-based varnishes and UV-curable hybrid systems.
Adhesive modifiers enhancing toughness and peel strength in water-based laminating adhesives.
| Chemical Type | Anionic aliphatic polyester-based polyurethane dispersion |
| Product Form | Opaque white to light yellow liquid |
| Appearance | Homogeneous, slightly viscous dispersion |
| Solids Content (wt%) | 30.0 ± 1.0% |
| pH (at 25°C) | 7.8 – 8.5 |
| Viscosity (mPa·s, Brookfield LVT, #2 spindle, 60 rpm) | 500 – 1,200 |
| Particle Size (D50, nm) | 80 – 120 |
| Minimum Film Formation Temperature (MFFT) | ≤ 15°C |
Q1: What are the primary application areas for YA-P 702?
A: YA-P 702 is widely used in water-based coatings and inks for flexible packaging, paper lamination, and textile finishing, where low VOC content, good film flexibility, and adhesion to polar substrates are required.
Q2: How does YA-P 702 perform in terms of water resistance and chemical resistance after film formation?
A: Once fully cured, films formed from YA-P 702 exhibit moderate resistance to water, weak acids, and alcohols. Performance improves with appropriate crosslinking and thermal drying conditions, but prolonged exposure to strong solvents or alkaline media may affect integrity.
Q3: Can YA-P 702 be blended with other waterborne resins or additives?
A: Yes — YA-P 702 demonstrates good compatibility with many acrylic emulsions, waterborne epoxy dispersions, and common formulation additives such as defoamers, wetting agents, and rheology modifiers, provided pH and ionic stability are maintained within recommended ranges.
Q4: What curing or drying conditions are recommended to achieve optimal film properties?
A: Optimal performance is typically achieved through ambient drying followed by mild thermal treatment (e.g., 60–80 °C for 5–15 minutes), depending on film thickness and substrate. Crosslinking with compatible aziridine or carbodiimide additives further enhances durability and chemical resistance.
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E-mail: wangxingqiang@ericwchem.com
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