Introduction
Composition: Organic copolymer solution with pigment-friendly groups
Appearance: yellow transparent solution
Active ingredient: 50%
Solvent: Mixed dibasic ester/diethyl formamideSuitable for medium and high polarity systems, good match with commonly used coating resins, good versatility in the coating system
Suitable for medium and high polarity systems, good match with commonly used coating resins, good versatility in the coating system
Dispersants STD-58685N: Technical Profile
| Category | Specifications |
| Product Name | Dispersant STD-58685N |
| Chemical Type | Modified polycarboxylate copolymer |
| Appearance | Clear to slightly hazy viscous liquid |
| Active Content | 45±2% |
| pH Value | 6.5-8.5 (10% aqueous solution) |
| Density (25°C) | 1.08-1.12 g/cm³ |
| Viscosity (25°C) | 300-800 cps |
| Solubility | Fully soluble in water, compatible with glycol ethers |
Key Characteristics
| Property | Performance Features |
| Dispersion Mechanism | Electrosteric stabilization for superior particle separation |
| Thermal Stability | Maintains effectiveness up to 250°C |
| pH Stability | Performs across pH 4-12 |
| Ionic Character | Anionic with nonionic side chains |
| Foam Generation | Ultra-low foaming characteristics |
Primary Applications
| Industry | Performance Benefits |
| Automotive Coatings | Excellent color development in basecoats |
| Industrial Paints | Reduces viscosity in high-solid systems |
| Construction | Improves workability of cementitious systems |
| Paper Coatings | Enhances opacity and brightness |
| Ceramic Processing | Prevents particle settling in slurries |
Technical Advantages
| Advantage | Operational Benefit |
| Universal Compatibility | Works with organic/inorganic pigments |
| Dosage Efficiency | Effective at 0.3-2.0% loading |
| Process Improvement | Reduces milling time by 30-40% |
| Environmental Profile | APEO-free, meets EU Ecolabel criteria |
| Storage Stability | Prevents hard settling in formulations |
Recommended Usage
| Parameter | Guideline |
| Optimal Addition | During pigment pre-mix phase |
| Temperature Range | 10-80°C for incorporation |
| Mixing | High shear recommended |
| Shelf Life | 18 months in original packaging |
| Storage | Keep at 5-30°C, avoid freezing |
Safety & Compliance
| Aspect | Certification Status |
| Toxicology | Non-hazardous per GHS |
| Skin Irritation | Mild (Category 3) |
| Ecotoxicity | Readily biodegradable (>60% in 28 days) |
| Regulatory | REACH registered, TSCA compliant |
| Handling | Standard chemical PPE required |
Performance Comparison
| Test Parameter | STD-58685N | Standard Dispersants |
| Dispersion Fineness | <5μm Hegman | Typically 10-15μm |
| Viscosity Reduction | 40-60% improvement | 20-30% improvement |
| Color Strength | 95-100% development | 80-90% development |
| Storage Stability | 6+ months | 3-4 months |
References
Product Technical Data Sheet (Rev. 2024Q2)
European Coatings Journal – “Advanced Dispersant Technology” (2023)
