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

Solvay Rhodibloc RS Amphiphilic Block Copolymer Surfactant

Solvay Rhodibloc RS is an amphiphilic block copolymer surfactant offering exceptional emulsification, stabilization, and interfacial activity in demanding industrial applications. Designed for high-performance coatings, agrochemicals, and oilfield formulations, it delivers low foaming, superior wetting, and robust tolerance to electrolytes and hard water. Its tailored architecture ensures consistent performance across pH and temperature ranges while maintaining regulatory compliance and environmental compatibility.
  • solvay rhodibloc rs amphiphilic block copolymer surfactant_9214d12d
  • solvay rhodibloc rs amphiphilic block copolymer surfactant_9214d12d

Features Of Solvay Rhodibloc RS Amphiphilic Block Copolymer Surfactant

  1. Engineered amphiphilic block copolymer architecture enabling superior interfacial activity and colloidal stabilization.

  2. Non-ionic, low-foaming formulation compatible with electrolytes and wide pH range (pH 2–12).

  3. Thermoresponsive behavior allows reversible micellization for controlled release and process-tailored rheology modulation.

  4. High molecular weight design provides long-term stability in demanding dispersion and emulsion systems.

  5. REACH-compliant and free of alkylphenol ethoxylates (APEOs), formaldehyde, and heavy metals.

Typical Applications Of Solvay Rhodibloc RS Amphiphilic Block Copolymer Surfactant

  1. Stabilization of aqueous polymer dispersions for high-performance coatings and architectural paints.

  2. Emulsifier and stabilizer in solvent-free or low-VOC industrial adhesives and sealants.

  3. Colloidal stabilizer in pigment grinding and inkjet ink formulations for consistent color strength and jetting reliability.

  4. Dispersant for nanomaterials (e.g., carbon nanotubes, metal oxides) in functional composites and conductive pastes.

  5. Rheology modifier and protective colloid in water-based agrochemical suspensions (SC, SE formulations).

Specifications Of Solvay Rhodibloc RS Amphiphilic Block Copolymer Surfactant

Chemical TypeAmphiphilic non-ionic block copolymer (PEO-PPO-PEO derivative)
Product FormClear to slightly opalescent aqueous solution (~30% active)
AppearanceColorless to pale yellow liquid
pH (1% aqueous solution, 25°C)6.0 – 7.5
SolubilityFreely soluble in water; miscible with polar organic solvents (e.g., glycols, ethanol)
Cloud Point (1% solution)~72°C
Storage Stability≥24 months at 5–30°C in sealed original container
Primary ApplicationsDispersion stabilizer, emulsifier, protective colloid, rheology modifier


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