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Non-ionic, stable silicone emulsion designed for easy incorporation into water-based systems.
Provides excellent lubricity and surface slip without compromising film integrity.
Offers good compatibility with acrylics, vinyl acetates, and other common polymer dispersions.
Low foaming formulation suitable for high-shear processing and continuous production lines.
Enhances substrate wetting and improves coating uniformity on porous and non-porous surfaces.
Textile finishing for soft hand feel and anti-static performance.
Water-based architectural coatings to improve leveling and reduce surface defects.
Printing inks for enhanced rub resistance and substrate adhesion control.
Paper and board coatings to impart moisture barrier and surface smoothness.
Leather finishing agents for improved flexibility and tactile quality.
| Chemical Type | Dimethyl silicone polymer emulsion |
| Product Form | White to off-white liquid emulsion |
| Appearance | Opaque, homogeneous liquid |
| Active Content (wt%) | 25–27% |
| pH (1% aqueous solution) | 6.0–7.5 |
| Viscosity (mPa·s, Brookfield RVT, Spindle #3, 20 rpm, 25°C) | 100–300 |
| Particle Size (D50, nm) | 150–300 |
| Freeze-Thaw Stability | Stable after 3 cycles (−10°C/24 h → 25°C/24 h) |
Q1: What is the primary function of DOWSIL IE-2404 in coating and ink formulations?
A: DOWSIL IE-2404 is a non-ionic silicone emulsion designed to provide surface modification effects—such as improved slip, leveling, and substrate wetting—without significantly affecting gloss or intercoat adhesion in waterborne systems.
Q2: Is DOWSIL IE-2404 compatible with common water-based acrylic and polyurethane dispersions?
A: Yes, it demonstrates broad compatibility with many anionic and non-ionic waterborne polymer dispersions, including acrylics, styrene-acrylics, and aliphatic polyurethanes—though compatibility testing under actual formulation conditions is recommended prior to full-scale use.
Q3: How should DOWSIL IE-2404 be incorporated into a formulation?
A: It is typically added during the let-down stage, after high-shear dispersion of pigments and fillers. Gentle mixing is sufficient—avoid prolonged high-shear homogenization to prevent potential emulsion destabilization.
Q4: Does DOWSIL IE-2404 contribute to foam generation or stability in aqueous systems?
A: As a non-ionic silicone emulsion, it generally exhibits low foaming tendency and does not act as a foam stabilizer; however, its impact on foam behavior may vary depending on other formulation components, so defoamer selection should be evaluated holistically.
Q5: Can DOWSIL IE-2404 be used in applications requiring FDA compliance for indirect food contact?
A: DOWSIL IE-2404 is not pre-approved for indirect food contact applications; users must conduct their own regulatory evaluation—including review of applicable regional requirements—and confirm suitability through appropriate testing and documentation.
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E-mail: wangxingqiang@ericwchem.com
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