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

Momentive CoatOSil 77 Nonionic Trisiloxane Surfactant

Momentive CoatOSil 77 is a nonionic trisiloxane surfactant from the CoatOSil series, delivering ultra-low surface tension, rapid substrate wetting, and superior spreading for coatings, inks, and agrochemicals—without foaming or residue.
  • momentive coatosil 77 nonionic trisiloxane surfactant_7abcdce7
  • momentive coatosil 77 nonionic trisiloxane surfactant_7abcdce7

Features Of Momentive CoatOSil 77 Nonionic Trisiloxane Surfactant

  1. Ultra-low surface tension for rapid substrate wetting and spreading on low-energy surfaces.

  2. Nonionic, silicone-based architecture ensures excellent compatibility with anionic, cationic, and nonionic systems.

  3. High hydrolytic stability across broad pH range (pH 3–11), supporting formulation robustness in demanding environments.

  4. Low foaming profile ideal for high-shear applications such as spray coatings and roll-coating processes.

  5. Enhanced penetration and leveling without compromising film integrity in waterborne coatings and inks.

Typical Applications Of Momentive CoatOSil 77 Nonionic Trisiloxane Surfactant

  1. Waterborne architectural and industrial coatings for improved substrate coverage and defect reduction.

  2. Agrochemical adjuvants to boost active ingredient uptake and rainfastness on waxy leaf surfaces.

  3. Printing inks—especially flexographic and gravure—where fast drying and uniform ink transfer are critical.

  4. Textile auxiliaries for softening, leveling, and improving dye uniformity in aqueous finishing baths.

  5. Specialty cleaning formulations requiring rapid soil dispersion and residue-free drying.

Specifications Of Momentive CoatOSil 77 Nonionic Trisiloxane Surfactant

Chemical TypeNonionic trisiloxane surfactant
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsWetting agent, leveling agent, penetrant
Key FeaturesLow surface tension, high spreading efficiency, nonionic compatibility
BenefitsImproved substrate coverage, reduced surface defects, enhanced formulation stability
pH (1% aqueous solution)5.0–7.0
SolubilityMiscible with water and common organic solvents (e.g., alcohols, glycol ethers)


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