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

ADEKA ADEKA REASOAP ER-40 Reactive Emulsifier

ADEKA REASOAP ER-40 is a reactive emulsifier from ADEKA’s REASOAP series, enabling covalent bonding into polymer backbones during emulsion polymerization. It enhances colloidal stability, film integrity, and water resistance in acrylic/styrene-butadiene systems. Widely used in high-performance architectural coatings, adhesives, and textile finishes where wash-off resistance is critical.
  • adeka adeka reasoap er 40 reactive emulsifier_df648cfd
  • adeka adeka reasoap er 40 reactive emulsifier_df648cfd

Features Of ADEKA ADEKA REASOAP ER-40 Reactive Emulsifier

  1. Reactive surfactant containing polymerizable vinyl groups for covalent incorporation into polymer backbones.

  2. Eliminates surfactant migration and blooming in final films, enhancing long-term stability and water resistance.

  3. Enables production of low-VOC, APEO-free emulsion polymers compliant with stringent environmental regulations.

  4. Provides excellent colloidal stability during polymerization and superior mechanical properties in dried films.

  5. Compatible with a wide range of acrylic, styrene-acrylic, and vinyl acetate-based monomer systems.

Typical Applications Of ADEKA ADEKA REASOAP ER-40 Reactive Emulsifier

  1. Architectural and industrial waterborne coatings requiring high scrub resistance and wet adhesion.

  2. High-performance adhesives and sealants where surfactant leaching must be minimized.

  3. Textile and leather finishing agents demanding durable hydrophobicity and wash-fastness.

  4. Waterborne wood coatings and floor finishes requiring enhanced chemical and abrasion resistance.

  5. Functional polymer dispersions for construction additives (e.g., cement modifiers and tile adhesives).

Specifications Of ADEKA ADEKA REASOAP ER-40 Reactive Emulsifier

Chemical TypeReactive anionic surfactant (vinyl-functionalized alkyl ether sulfate)
Product FormPale yellow to light amber viscous liquid
AppearanceClear to slightly hazy liquid at 25°C
pH (1% aqueous solution)6.0–7.5
Active Content38–42 wt%
Free Alcohol Content≤1.5 wt%
Storage Stability≥12 months at 5–30°C in sealed container
Primary ApplicationsReactive emulsifier for free-radical emulsion polymerization


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