Rheology modifier STD-9010
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 |
|---|
| Product Name |
Rheology Modifier STD-9010 |
| Chemical Type |
Hydrophobically modified ethoxylated urethane (HEUR) |
| Appearance |
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 |
| Solubility |
Water-dispersible |
Key Properties & Functions
| 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 |
Applications
| 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 |
Performance Advantages
| 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 |
Usage Guidelines
| 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 |
Safety & Compliance
| Aspect | Details |
|---|
| Toxicity |
LD50 >2000 mg/kg |
| Skin Irritation |
Non-irritating |
| Biodegradability |
>60% in 28 days |
| Regulatory |
REACH, TSCA compliant |
| Handling |
Standard PPE |
Comparison with Alternatives
| 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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