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Low-VOC, environmentally compliant formulation meeting global regulatory requirements for waterborne coatings.
Excellent film-forming ability with balanced hardness and flexibility at ambient cure conditions.
Superior hydrolytic stability and long pot life in aqueous dispersions.
Good compatibility with acrylic emulsions, cellulose derivatives, and common coalescing agents.
Enhanced adhesion to diverse substrates including wood, metal, and plastic composites.
High-performance interior architectural coatings for walls and ceilings.
Waterborne wood finishes for furniture, flooring, and cabinetry.
Flexible protective topcoats for metal substrates in light industrial settings.
Base resin for eco-friendly leather finishing systems.
Binders in specialty paper and textile coating formulations.
| Chemical Type | Anionic aliphatic polyurethane dispersion |
| Product Form | Aqueous dispersion |
| Appearance | Translucent, slightly bluish milky liquid |
| pH (at 25°C) | 7.8 – 8.5 |
| Solids Content (wt%) | 30.0 ± 1.0% |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm) | 150 – 400 |
| Average Particle Size (nm) | 80 – 120 |
| Minimum Film Formation Temperature (MFFT) | 12 – 15°C |
Q1: What are the primary application areas for L-3958?
A: L-3958 is widely used in high-performance waterborne coatings for flexible substrates, including synthetic leather finishing, textile coatings, and decorative laminates where excellent film flexibility, abrasion resistance, and low-temperature film formation are required.
Q2: Can L-3958 be blended with other waterborne resins or additives?
A: Yes, L-3958 demonstrates good compatibility with common waterborne acrylics, polyacrylates, and crosslinkers such as aziridine or carbodiimide types. Compatibility testing under specific formulation conditions is recommended to ensure colloidal stability and final film performance.
Q3: How does L-3958 perform in terms of water resistance and chemical resistance after film formation?
A: Films formed from L-3958 exhibit good resistance to water spotting and mild aqueous solutions after full coalescence and curing. Resistance to solvents and aggressive chemicals depends on film thickness, drying conditions, and optional crosslinking — enhanced performance is achievable with suitable post-treatment or crosslinker incorporation.
Q4: Is L-3958 suitable for low-VOC or zero-NMP formulations?
A: Yes, L-3958 is a true waterborne dispersion with no added NMP, DMF, or aromatic solvents. It supports formulation strategies aligned with low-VOC regulatory expectations and sustainable coating design principles.
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E-mail: wangxingqiang@ericwchem.com
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