IntroductionComposition: Polyurea mixture solutionAppearance: yellow transparent solutionActive
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Composition: Polyurea mixture solution
Appearance: yellow transparent solution
Active ingredient: 50%
Solvent: N-methylpyrrolidoneScope of Application:
Suitable for all kinds of solvent-based coatings, ink systems
Rheology Modifier STD-9010: Technical Overview
| Category | Specifications |
|---|---|
| Le nom | Rheology Modifier STD-9010 |
| Chemical Type | Hydrophobically modified ethoxylated urethane (HEUR) |
| Apparence | Milky white liquid |
| Active Content | 20±1% |
| pH Value | 6.0-8.0 (as supplied) |
| Density (25°C) | 1.05-1.10 g/cm³ |
| Viscosity (25°C) | 500-2000 mPa·s |
| Solubilité | Water-dispersible |
| Property | Description |
|---|---|
| Shear Thinning | Provides high low-shear viscosity & excellent flow |
| Sprayability | Redovers viscosity under high shear |
| Syneresis Control | Prevents water separation |
| Compatibility | Works in waterborne systems (acrylic, PU, VA) |
| pH Stability | Stable in pH 4-10 |
| Industry | Use Case |
|---|---|
| Architectural Coatings | Improves sag resistance & brushability |
| Industrial Coatings | Controls flow/leveling in spray applications |
| Adhesives | Adjusts viscosity for different substrates |
| Printing Inks | Prevents settling while maintaining jetability |
| Personal Care | Stabilizes lotions & creams |
| Advantage | Benefit |
|---|---|
| Shear Recovery | 90%+ viscosity recovery in 5 sec |
| Low Splatter | Excellent brush/roll application |
| Universal Use | Effective in glossy/matte systems |
| Low VOC | <5g/L |
| Dosage Efficiency | 0.2-1.5% typical use |
| Parameter | Recommendation |
|---|---|
| Addition Point | Post-dispersion phase |
| Activation | Requires 10-15min hydration |
| Mixing | Moderate shear (500-1000rpm) |
| Storage | 5-30°C; avoid freezing |
| Shelf Life | 18 months |
| Aspect | Details |
|---|---|
| Toxicité | LD50 >2000 mg/kg |
| Skin Irritation | Non-irritating |
| Biodegradability | >60% in 28 days |
| Regulatory | REACH, TSCA compliant |
| Handling | Standard PPE |
| Feature | STD-9010 | Cellulose-based |
|---|---|---|
| Shear Response | Instant recovery | Slow recovery |
| Transparency | No haze | May cause haze |
| Spray Performance | Excellent | Poor |
| Microbial Resistance | Inherent | Requires biocides |
References
Product Technical Data (2024)
Progress in Organic Coatings (2023)
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