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Waterborne anionic polyurethane dispersion with excellent film clarity and gloss retention.
Low VOC formulation compliant with stringent environmental regulations including EU REACH and US EPA guidelines.
Superior mechanical properties, including high tensile strength and outstanding abrasion resistance.
Good compatibility with acrylics, cellulose derivatives, and common coalescing agents for hybrid system design.
Stable shelf life (>12 months at 5–30 °C) without viscosity drift or phase separation.
High-performance water-based wood coatings for furniture, flooring, and cabinetry.
Industrial maintenance coatings for metal substrates requiring corrosion resistance and flexibility.
Leather finishing topcoats delivering soft hand feel, breathability, and scuff resistance.
Textile and nonwoven coatings for technical fabrics requiring durable water repellency and stretch recovery.
Adhesive primers for flexible packaging laminates and automotive interior composites.
| Chemical Type | Anionic aliphatic polyurethane dispersion |
| Product Form | Ready-to-use aqueous dispersion |
| Appearance | Opaque white to slightly bluish liquid |
| pH (25 °C) | 7.8 – 8.5 |
| Solids Content (wt%) | 35.0 – 37.0 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm, 25 °C) | 500 – 1500 |
| Average Particle Size (nm) | 80 – 120 |
| Minimum Film Formation Temperature (MFFT, °C) | 15 – 20 |
Q1: What is the primary function of NeoRez U-471 in waterborne polyurethane dispersions?
A: NeoRez U-471 serves as a hydrophobic chain extender and crosslinker that enhances film hardness, chemical resistance, and mechanical durability while maintaining good dispersion stability in aqueous systems.
Q2: Is NeoRez U-471 compatible with standard anionic and nonionic PUDs?
A: Yes, NeoRez U-471 is formulated for broad compatibility with common anionic, nonionic, and hybrid waterborne polyurethane dispersions, supporting stable incorporation during or after dispersion synthesis.
Q3: How should NeoRez U-471 be incorporated into a formulation?
A: It is typically added post-polymerization—either directly to the dispersion under mild agitation or via pre-dilution in a water-miscible co-solvent—to ensure uniform distribution without destabilizing the dispersion.
Q4: Does NeoRez U-471 require additional catalysts or curing agents?
A: No catalyst is required for its core functionality; however, thermal post-curing or ambient drying may be used depending on the end-use performance targets. Its reactivity is designed to proceed efficiently under typical coating or adhesive processing conditions.
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E-mail: wangxingqiang@ericwchem.com
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