Rheology modifier STD-9048
Composition: water-soluble polymers containing hydrophobic groups
Appearance: light yellow slightly turbid viscous liquid
Active ingredient: 18%
Solvent: water
Application range:
Suitable for all types of water coating systems
Rheology Modifier STD-9048 Technical Data Sheet
| Category | Specifications |
|---|
| Product Name |
Rheology Modifier STD-9048 |
| Chemical Type |
Hydrophobically modified alkali-swellable emulsion (HASE) |
| Appearance |
Milky white liquid |
| Active Content |
30±1% |
| pH Value |
2.5-4.0 (as supplied) |
| Viscosity (25°C) |
<100 mPa·s (neat) |
| Density (25°C) |
1.05 g/cm³ |
| Solubility |
Water-thickenable |
| Key Performance | Characteristics |
|---|
| Rheology Profile |
Strong pseudoplastic behavior |
| pH Activation |
Activates at pH >6.5 |
| Shear Recovery |
>90% recovery within 60 sec |
| Compatibility |
Excellent in latex systems |
| Syneresis Control |
Prevents water separation |
| Applications | Recommended Use |
|---|
| Architectural Coatings |
Interior/exterior paints |
| Textile Coatings |
Print paste thickener |
| Adhesives |
PSA formulations |
| Paper Coatings |
Improves runnability |
| Ceramic Glazes |
Controls suspension |
| Performance Advantages | Benefits |
|---|
| High Efficiency |
0.2-0.8% dosage sufficient |
| Spatter Resistance |
Excellent roll/brush application |
| Color Acceptance |
No negative impact on tint strength |
| Freeze-Thaw Stability |
5 cycles without performance loss |
| Low VOC |
<5 g/L |
| Usage Guidelines | Recommendations |
|---|
| Activation Method |
Neutralize to pH 7.5-9.5 with ammonia/amine |
| Addition Point |
Post-dispersion at 25-50°C |
| Mixing |
Moderate agitation (400-800 rpm) |
| Storage Conditions |
5-35°C, avoid freezing |
| Shelf Life |
12 months |
| Safety & Compliance | Standards |
|---|
| Flash Point |
None (aqueous) |
| GHS Classification |
Not hazardous |
| Regulatory Status |
REACH compliant |
| Biodegradability |
>60% in 28 days |
| PPE Requirements |
Safety glasses recommended |
| Technical Comparison | STD-9048 | Cellulose-based |
|---|
| Viscosity Build |
Faster activation |
Slower hydration |
| Spatter Resistance |
Excellent |
Poor |
| pH Stability |
Stable in pH 4-10 |
Limited stability |
| Microbial Resistance |
Inherent |
Requires biocides |
| Cost Efficiency |
40% dosage reduction |
Standard |
References:
- Product Technical Data Sheet (2024)
- Progress in Organic Coatings(2023)
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