Dispersants STD-5041
Introduction
Composition: Copolymer solution containing pigment-friendly groups
Appearance: brownish yellow transparent solution
Active ingredient: 50%
Solvent: Mixed dibasic estersScope of application:
Can be used in a variety of systems, and can be used to disperse a variety of pigment systems, is extremely versatile hyperdispersant
| Category | Details |
|---|
| Product Name |
Dispersant STD-5041 |
| Chemical Type |
Polymeric surfactant (anionic/nonionic blend) |
| Appearance |
Light yellow to amber viscous liquid |
| Solid Content |
40±2% |
| pH Value |
7.0–9.0 (1% aqueous solution) |
| Density (20°C) |
1.05–1.15 g/cm³ |
| Viscosity (25°C) |
200–500 mPa·s |
| Solubility |
Soluble in water and most organic solvents |
Key Properties & Functions
| Property | Description |
|---|
| Dispersion |
Stabilizes solid particles (e.g., pigments, fillers) in liquid media, preventing agglomeration. |
| Compatibility |
Works with aqueous and solvent-based systems (paints, coatings, inks). |
| Thermal Stability |
Stable up to 200°C; suitable for high-temperature processes. |
| Ionic Nature |
Anionic/nonionic hybrid enhances compatibility with varied formulations. |
| Foam Control |
Low-foaming formulation for industrial applications. |
Applications
| Industry | Use Case |
|---|
| Coatings |
Improves pigment dispersion in waterborne/ solvent-based paints. |
| Inks |
Enhances color strength and printability. |
| Ceramics |
Disperses inorganic powders in slurry preparations. |
| Construction |
Reduces viscosity in cement/polymer-modified mortars. |
| Oilfield |
Prevents particle sedimentation in drilling fluids. |
Performance Advantages
| Advantage | Benefit |
|---|
| High Efficiency |
Reduces grinding time and energy consumption. |
| Broad Compatibility |
Suitable for multiple resin systems (acrylic, epoxy, PU). |
| Low Dosage |
Effective at 0.5–3% (based on total solids). |
| Eco-Friendly |
Low VOC; meets REACH/EPA standards. |
Usage Guidelines
| Parameter | Recommendation |
|---|
| Dosage |
0.5–3% of total formulation weight. |
| Addition Point |
Add during grinding/pre-dispersion phase. |
| Storage |
Keep sealed at 5–35°C; shelf life: 12 months. |
Safety & Compliance
| Aspect | Details |
|---|
| Toxicity |
LD50 > 2000 mg/kg (oral, rat); non-irritating to skin. |
| Regulatory |
Complies with REACH, FDA (indirect food contact). |
| Handling |
Use PPE (gloves, goggles); avoid inhalation. |
Comparison with Alternatives
| Feature | STD-5041 | Conventional Dispersants |
|---|
| Dispersion Efficiency |
Higher (finer particle size) |
Moderate |
| Thermal Stability |
Up to 200°C |
Degrades at >150°C |
| Cost Efficiency |
Lower dosage needed |
Higher dosage required |
References
- Manufacturer SDS (2024).
- Journal of Coatings Technology– “Dispersant Innovations” (2023).
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