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High-performance anionic polyelectrolyte based on polyacrylic acid with optimized molecular weight distribution.
Excellent dispersion and colloidal stabilization of inorganic pigments and fillers in aqueous systems.
Effective viscosity modifier with shear-thinning behavior, supporting robust rheology control.
Good compatibility with a broad range of co-binders, surfactants, and biocides in formulated systems.
Low foaming profile suitable for high-shear industrial processes and automated application equipment.
Architectural coatings (e.g., interior/exterior latex paints).
Industrial maintenance coatings and protective finishes.
Construction chemicals including tile adhesives and cementitious renders.
Water-based inks and pigment concentrates (colorants).
Agrochemical suspension concentrates (SC formulations).
| Chemical Type | Anionic polyacrylate copolymer |
| Product Form | Aqueous solution (~30% active content) |
| Appearance | Clear to slightly opalescent, low-viscosity liquid |
| pH (1% aqueous solution) | 3.5 – 4.5 |
| Density (20 °C) | ~1.05 – 1.08 g/cm³ |
| Solubility | Completely miscible with water |
| Primary Applications | Pigment dispersion, rheology modification, stabilization in aqueous coatings & agrochemicals |
| Key Features | Low foaming, high electrolyte tolerance, non-VOC |
Q1: What is the primary function of Sokalan HP 165 in formulations?
A: Sokalan HP 165 is a polymeric dispersant and stabilizer based on polyacrylic acid. It functions primarily to prevent particle agglomeration, enhance pigment wetting, and improve long-term colloidal stability in aqueous systems such as coatings, construction mortars, and ceramic slurries.
Q2: Is Sokalan HP 165 suitable for use in low-VOC or zero-VOC formulations?
A: Yes — as a water-soluble polymer with no added organic solvents or volatile carriers, Sokalan HP 165 supports the development of low-VOC and zero-VOC aqueous formulations across architectural coatings, tile adhesives, and grouts.
Q3: How does Sokalan HP 165 differ from conventional low-molecular-weight dispersants?
A: Unlike small-molecule surfactants, Sokalan HP 165 provides steric stabilization through its polymeric backbone, offering improved resistance to electrolytes, enhanced shear stability, and reduced sensitivity to pH fluctuations in demanding industrial applications.
Q4: What is the typical dosage range for Sokalan HP 165 in cementitious systems?
A: Dosage depends on formulation requirements and solids loading, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to dry binder content — to achieve optimal dispersion and rheology control without compromising setting behavior.
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E-mail: wangxingqiang@ericwchem.com
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