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Highly effective polyacrylate-based dispersant for inorganic pigments and fillers.
Excellent stabilization of aqueous pigment dispersions across broad pH ranges (pH 4–10).
Low foaming profile, suitable for high-shear industrial processing and automated dosing systems.
Enables improved color strength, gloss, and storage stability in waterborne coatings.
Compatible with common co-binders, thickeners, and biocides used in architectural and industrial formulations.
Architectural waterborne interior and exterior paints.
Industrial maintenance coatings and coil coatings.
Water-based printing inks for packaging and publication.
Construction chemicals including tile adhesives and cementitious renders.
Specialty pigment concentrates (colorants) for paint tinting systems.
| Chemical Type | Polyacrylic acid sodium salt (anionic polyelectrolyte) |
| Product Form | Aqueous solution (~15% active content) |
| Appearance | Clear to slightly opalescent, low-viscosity liquid |
| pH (1% aqueous solution) | 7.0 – 9.0 |
| Density (20 °C) | ~1.02 – 1.04 g/cm³ |
| Solubility | Completely miscible with water; compatible with common polar organic solvents |
| Primary Applications | Pigment dispersion stabilization in waterborne coatings and inks |
| Key Features | Dispersancy, rheology control, freeze-thaw stability enhancement |
Q1: What is the primary function of Sokalan PA 15 in industrial formulations?
A: Sokalan PA 15 is a polyacrylate-based polyelectrolyte surfactant designed primarily for dispersion stabilization and rheology modification. It functions as an effective dispersant for pigments and fillers, helping to prevent agglomeration and sedimentation while supporting uniform particle distribution in aqueous systems.
Q2: Is Sokalan PA 15 suitable for use in environmentally sensitive applications?
A: Yes — Sokalan PA 15 is an anionic, water-soluble polymer free of alkylphenol ethoxylates (APEOs), formaldehyde, and heavy metals. Its biodegradability profile and low ecotoxicity make it appropriate for formulations targeting sustainability goals, including eco-labeled coatings and cleaning products.
Q3: How does Sokalan PA 15 perform under varying pH conditions?
A: Sokalan PA 15 exhibits good stability and effectiveness across a broad pH range, typically from pH 4 to pH 11. Its performance remains robust in mildly acidic to strongly alkaline environments, making it compatible with many common industrial process conditions and formulation matrices.
Q4: Can Sokalan PA 15 be used alongside other additives such as defoamers or co-binders?
A: Yes — Sokalan PA 15 is generally compatible with a wide range of common formulation ingredients, including non-ionic surfactants, associative thickeners, acrylic binders, and silicone-free defoamers. Compatibility testing is recommended for specific combinations to ensure optimal performance and stability.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
