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High-performance polymeric dispersant based on polyacrylic acid architecture.
Excellent stabilization of inorganic pigments and fillers in aqueous systems.
Low foaming profile suitable for high-shear industrial processes.
pH-stable performance across broad range (pH 4–10) without loss of dispersion efficiency.
Enables improved gloss, color strength, and storage stability in formulated products.
Architectural and industrial waterborne paints and coatings.
Water-based printing inks for flexographic and gravure applications.
Construction chemicals including cementitious tile adhesives and grouts.
Mineral slurries and pigment concentrates for ceramic glazes.
Agrochemical suspension concentrates (SC formulations).
| Chemical Type | Polyacrylic acid-based polymeric dispersant |
| Product Form | Aqueous solution (~40% active content) |
| Appearance | Clear to slightly opalescent, low-viscosity liquid |
| pH (1% aqueous solution) | 2.5 – 3.5 |
| Density (20 °C) | ~1.08 – 1.12 g/cm³ |
| Solubility | Completely miscible with water; compatible with common co-solvents |
| Primary Applications | Dispersant for inorganic pigments, fillers, and functional particles |
| Key Features | Stabilization via steric and electrostatic mechanisms; low VOC, non-ionic character |
Q1: What is the primary function of Sokalan HP 53 in formulations?
A: Sokalan HP 53 is a polyacrylic acid-based dispersant and rheology modifier designed to stabilize pigment suspensions, prevent agglomeration, and provide controlled viscosity in aqueous systems—particularly in architectural coatings, industrial paints, and construction chemicals.
Q2: Is Sokalan HP 53 compatible with other common additives like defoamers or biocides?
A: Yes, Sokalan HP 53 generally exhibits good compatibility with a broad range of formulation components, including non-ionic surfactants, coalescing agents, and commonly used biocides and defoamers—though compatibility testing under final formulation conditions is always recommended.
Q3: How does Sokalan HP 53 differ from conventional low-MW acrylic dispersants?
A: Unlike many low-molecular-weight acrylic dispersants, Sokalan HP 53 offers enhanced steric stabilization due to its tailored molecular architecture, resulting in improved long-term dispersion stability and reduced sensitivity to electrolytes and pH fluctuations in demanding applications.
Q4: What is the typical dosage range for Sokalan HP 53 in paint formulations?
A: Dosage depends on pigment type, loading, and desired performance, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight on pigment solids—to achieve effective stabilization without over-thickening.
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