Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay Rhodoline 231 Water-Soluble Anionic Dispersant

Solvay Rhodoline 231 is a water-soluble anionic dispersant from Solvay’s Rhodoline series, engineered for high-efficiency pigment stabilization in aqueous systems. It delivers superior rheology control, enhanced color development, and broad compatibility with acrylics, styrene-acrylics, and vinyl acetate polymers—ideal for architectural coatings, inks, and industrial applications.
  • solvay rhodoline 231 water soluble anionic dispersant_5e3cae56
  • solvay rhodoline 231 water soluble anionic dispersant_5e3cae56

Features Of Solvay Rhodoline 231 Water-Soluble Anionic Dispersant

  1. Highly effective anionic polyacrylate-based dispersant for stable aqueous pigment and filler suspensions.

  2. Excellent compatibility with a broad range of water-based systems, including acrylic, styrene-acrylic, and vinyl acetate emulsions.

  3. Enables low-viscosity formulations while maintaining high solids loading and long-term colloidal stability.

  4. Reduces flocculation and sedimentation under varying pH and ionic strength conditions.

  5. Non-VOC, APEO-free, and compliant with major global regulatory frameworks for industrial coatings and inks.

Typical Applications Of Solvay Rhodoline 231 Water-Soluble Anionic Dispersant

  1. Architectural and industrial waterborne paints and coatings.

  2. Water-based inkjet inks for packaging and decorative printing.

  3. Construction additives for cementitious and grout systems.

  4. Industrial maintenance coatings requiring high pigment dispersion efficiency.

  5. Functional pigment dispersions for specialty applications including anti-corrosion primers.

Specifications Of Solvay Rhodoline 231 Water-Soluble Anionic Dispersant

Chemical TypeAnionic polyacrylate copolymer
Product FormAqueous solution (~40% active content)
AppearanceClear to slightly hazy, light amber liquid
pH (10% aqueous solution)7.0 – 8.5
Density (20°C)1.08 – 1.12 g/cm³
SolubilityCompletely miscible with water
Primary ApplicationsPigment & filler dispersion in waterborne coatings, inks, and construction materials
Key FeaturesStabilization of inorganic pigments (e.g., TiO₂, iron oxides, carbon black) and fillers (e.g., calcium carbonate, clay)


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