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Low-VOC, environmentally compliant formulation meeting global regulatory standards for waterborne coatings.
Excellent film-forming capability with high gloss retention and superior clarity after drying.
Outstanding flexibility and abrasion resistance suitable for dynamic substrate applications.
Good compatibility with acrylics, cellulose derivatives, and common waterborne crosslinkers.
Stable storage life of ≥12 months at 5–30°C without viscosity drift or phase separation.
High-performance leather finishing topcoats for footwear and upholstery.
Flexible packaging coatings requiring solvent-free, food-contact compliant layers.
Industrial wood coatings for furniture and cabinetry demanding durability and low odor.
Textile coating binders for technical fabrics requiring breathability and wash-fastness.
Automotive interior trim coatings where low VOC emissions and thermal stability are critical.
| Chemical Type | Anionic aliphatic polyurethane dispersion |
| Product Form | Aqueous dispersion (non-solvent-based) |
| Appearance | Translucent, slightly bluish milky liquid |
| Solids Content | 28–32 wt% (by gravimetric method) |
| pH Value | 7.8–8.4 (at 25°C) |
| Viscosity (Brookfield, #2 spindle, 20 rpm) | 150–350 mPa·s |
| Density (25°C) | 1.01–1.03 g/cm³ |
| Minimum Film Formation Temperature (MFFT) | 12–15°C |
Q1: What are the primary application areas for Chan Chem L-2939?
A: Chan Chem L-2939 is widely used in high-performance waterborne coatings for flexible substrates, including textile finishing, synthetic leather topcoats, and soft-touch industrial coatings where excellent film flexibility, abrasion resistance, and low-temperature film formation are required.
Q2: Is L-2939 compatible with common waterborne acrylic or styrene-acrylic dispersions?
A: Yes, L-2939 demonstrates good compatibility with many standard waterborne acrylic and styrene-acrylic dispersions, enabling hybrid formulations that balance cost-efficiency with enhanced toughness and elasticity. Compatibility testing under actual formulation conditions is recommended prior to scale-up.
Q3: How should L-2939 be stored and handled to maintain stability?
A: Store in tightly sealed original containers at temperatures between 5°C and 35°C, away from freezing conditions and direct sunlight. Avoid prolonged exposure to high humidity during handling, and ensure equipment is clean and free of residual solvents or incompatible additives before use.
Q4: Can L-2939 be crosslinked to improve chemical resistance or hardness?
A: Yes, L-2939 can be effectively crosslinked using ambient-cure or heat-activated water-dispersible crosslinkers such as aziridine, carbodiimide, or blocked polyisocyanate systems — depending on the desired cure profile and end-use requirements.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
