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Highly effective polyacrylate-based dispersant with controlled rheology modification capability.
Excellent stabilization of inorganic pigments and fillers in aqueous systems across broad pH ranges.
Low foaming profile suitable for high-shear industrial processing conditions.
Enables improved gloss, color strength, and storage stability in formulated coatings and construction materials.
Compatible with common co-binders, thickeners, and biocides used in architectural and industrial waterborne systems.
Architectural interior and exterior wall paints.
Cementitious tile adhesives and grouts.
Exterior insulation finishing systems (EIFS) basecoats and finishes.
Waterborne industrial maintenance coatings.
Mineral-based decorative plasters and textured coatings.
| Chemical Type | Polyacrylic acid copolymer, sodium neutralized |
| Product Form | Aqueous solution (~25% active content) |
| Appearance | Clear to slightly opalescent, low-viscosity liquid |
| pH (1% aqueous solution) | 6.0 – 7.5 |
| Density (20 °C) | ~1.03 – 1.06 g/cm³ |
| Solubility | Completely miscible with water |
| Primary Applications | Dispersant and rheology modifier for pigment/filler systems |
| Key Features | Anionic, low-VOC, APEO-free, REACH-compliant |
Q1: What is the primary function of Sokalan PA 25 CL PN in formulations?
A: Sokalan PA 25 CL PN is a polyacrylate-based polyelectrolyte surfactant designed primarily for dispersion stabilization and rheology modification in aqueous systems. It helps prevent particle agglomeration, improves pigment wetting, and contributes to controlled viscosity development without excessive thickening.
Q2: In which types of industrial applications is this surfactant commonly used?
A: It is widely applied in waterborne coatings, construction mortars, ceramic tile adhesives, and industrial cleaning formulations—particularly where enhanced suspension stability, improved flow behavior, and compatibility with inorganic fillers or pigments are required.
Q3: How does Sokalan PA 25 CL PN differ from conventional non-ionic or anionic surfactants?
A: Unlike small-molecule surfactants, Sokalan PA 25 CL PN functions as a polymeric dispersant with anchoring groups that provide strong, persistent adsorption onto particle surfaces. This results in superior long-term colloidal stability and reduced sensitivity to electrolytes or pH fluctuations compared to low-MW surfactants.
Q4: Is Sokalan PA 25 CL PN compatible with biocides and other common additives?
A: Yes, it demonstrates good compatibility with a broad range of preservatives, defoamers, co-solvents, and film-forming agents typically used in water-based systems. However, optimal performance should be verified under actual formulation conditions due to potential interactions with highly cationic components.
Q5: What is the recommended dosage range for effective performance?
A: Dosage depends on the specific system composition and performance targets, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to the total formulation—to achieve adequate dispersion and stabilization without compromising flow or drying behavior.
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E-mail: wangxingqiang@ericwchem.com
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