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Highly stable anionic silicone emulsion with excellent shelf life and freeze-thaw resistance.
Provides superior softness, smoothness, and hydrophobicity on textile and nonwoven substrates.
Low foaming and compatible with common auxiliaries including cationic, nonionic, and anionic systems.
Easily applied via padding, spraying, or exhaust methods without requiring post-curing.
Complies with ZDHC MRSL Version 3.1 and meets OEKO-TEX® Standard 100 Class I requirements.
Softening and water repellency finish for cotton, polyester, and blended woven fabrics.
Hydrophobic treatment for medical nonwovens and hygiene materials (e.g., surgical gowns, wipes).
Surface modification of paper and board to enhance ink receptivity and moisture barrier.
Functional finishing agent for technical textiles used in automotive interiors and filtration media.
Key additive in industrial coatings for improved substrate wetting and slip performance.
| Chemical Type | Dimethicone-based anionic silicone emulsion |
| Product Form | Opaque white liquid |
| Appearance | Homogeneous, low-viscosity emulsion |
| pH (1% aqueous solution) | 5.5–6.5 |
| Solids Content | 30.0 ± 1.0 wt% |
| Density (25°C) | 0.98–1.02 g/cm³ |
| Particle Size (D50) | 150–300 nm |
| Primary Applications | Textile softening, nonwoven hydrophobization, paper functionalization |
Q1: What is the primary function of MEM-8194 in coating and ink formulations?
A: MEM-8194 is a non-ionic, anionic-stabilized silicone emulsion designed to provide surface tension reduction, improved substrate wetting, and enhanced slip and leveling—without significantly affecting gloss or intercoat adhesion in waterborne systems.
Q2: Is MEM-8194 compatible with cationic additives or high-solids acrylic dispersions?
A: Due to its anionic stabilization, MEM-8194 is generally incompatible with strongly cationic components and may destabilize in highly acidic or alkaline environments (pH < 4 or > 10). Compatibility with specific acrylic dispersions should be confirmed via small-scale compatibility testing under intended formulation conditions.
Q3: How should MEM-8194 be incorporated into a waterborne formulation?
A: It is recommended to add MEM-8194 during the let-down stage, after high-shear dispersion of pigments and fillers, and under moderate agitation. Pre-dilution with deionized water may improve uniform incorporation, especially in low-viscosity systems.
Q4: Does MEM-8194 contribute to foam generation or stability in coatings?
A: As a silicone-based emulsion, MEM-8194 may exhibit mild defoaming activity but is not classified as a primary antifoam agent. In some formulations, it can reduce foam tendency during application; however, dedicated defoamers may still be required depending on process conditions and raw material interactions.
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