OT-75 is a performance surface tension modifier that can significantly reduce the surface tension of substances and enhance their penetration and wetting ability.
Cytec wetting agent Aerosol OT-75
I. Product Structure
OT-75, with a molecular structure of C20H37O7SNa
II. Specifications and Features
Molecular weight: 444.56
Appearance (25℃): colorless to light yellow transparent liquid
Odor: mellow taste
Solid content (weight%): 70-75
Solvent content (weight%): 25-30
PH value (1% aqueous solution): 5.0-7.0
Specific gravity (25℃, g/cm3) 1.060-1.090
Viscosity (25℃, CPS): <200
Freezing point (℃): -40
Flash point (closed cup, ℃): 78
Surface tension (1%, dynes/cm): 28.8
Volatile matter content (w/w, %): maximum 32
Solubility (in water at 25℃, %): 1.5g/100ml
III. Performance and Application
OT-75 is a performance surface tension modifier that can significantly reduce the surface tension of substances and enhance their penetration and wetting ability. In coatings and inks, due to its dispersibility and emulsification, rapid penetrating agent OT-75 can make the system uniform and stable, and it also has a foam suppression function that can work synergistically with defoamers to maximize their effectiveness. In the adhesive industry, it can be used as a coating anti-shrinking agent to prevent fish eyes, pinholes, sagging, and other phenomena. In the non-woven fabric adhesive industry, it can make the adhesive penetrate faster into the fibers, making it more perfect in terms of printing, dyeing, fixing, bonding, etc. In general, OT-75 can be used as an emulsifier, stabilizer, and penetrating agent in emulsion polymerization. It is used in emulsion polymerization such as vinyl acetate-acrylic, styrene-acrylic, pure acrylic, butyl styrene, etc.
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