IntroductionComposition: Copolymer solution containing pigment-friendly groupsAppearance: brown
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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 |
|---|---|
| Le nom | Dispersant STD-5041 |
| Chemical Type | Polymeric surfactant (anionic/nonionic blend) |
| Apparence | 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 |
| Solubilité | Soluble in water and most organic solvents |
| 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. |
| 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. |
| 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. |
| 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. |
| Aspect | Details |
|---|---|
| Toxicité | 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. |
| 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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