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Highly stable anionic silicone emulsion with excellent shelf life under standard storage conditions.
Provides superior softness, smoothness, and hydrophobicity to treated substrates.
Compatible with common textile auxiliaries, including cationic, nonionic, and amphoteric agents.
Low foaming profile suitable for high-speed industrial application processes.
Offers good wash-fastness and durability in repeated laundering cycles.
Textile finishing for cotton, polyester, and blended fabrics.
Nonwoven fabric treatment to enhance drape, hand feel, and water repellency.
Leather surface conditioning for improved suppleness and reduced surface tack.
Industrial paper coating formulations requiring slip and moisture resistance.
Personal care formulation ingredient for rinse-off hair conditioners (subject to regulatory compliance).
| Chemical Type | Dimethicone-based anionic silicone emulsion |
| Product Form | Aqueous emulsion |
| Appearance | Opaque white to off-white liquid |
| Active Content | 30.0 ± 1.0 wt% |
| pH (1% aqueous solution) | 5.5 – 7.0 |
| Viscosity (25°C, mPa·s) | 100 – 400 |
| Particle Size (D50) | 0.3 – 0.8 µm |
| Storage Stability | ≥6 months at 5–30°C in sealed container |
Q1: What is the primary function of MEM-1352 in coating and ink formulations?
A: MEM-1352 is a non-ionic, anionic-stabilized silicone emulsion designed to provide surface leveling, substrate wetting, and foam control in water-based coatings, flexographic inks, and gravure inks. It helps reduce surface defects such as craters, orange peel, and pinholes while improving gloss uniformity and substrate adhesion.
Q2: Is MEM-1352 compatible with common water-based polymer systems?
A: Yes, MEM-1352 demonstrates broad compatibility with acrylic, styrene-acrylic, vinyl acetate, and polyurethane dispersions. It is formulated for stable incorporation into neutral to mildly alkaline systems (pH 6–9) and generally remains stable when added during the let-down stage of formulation.
Q3: How should MEM-1352 be incorporated into a formulation to ensure optimal performance?
A: MEM-1352 is typically added during the final let-down stage under moderate agitation. Pre-dilution with water or formulation water phase is recommended to facilitate uniform dispersion. Avoid high-shear mixing post-addition to prevent potential emulsion destabilization.
Q4: Does MEM-1352 affect the drying time or film formation of water-based systems?
A: MEM-1352 is not known to significantly retard drying or interfere with film coalescence in standard water-based systems when used at typical dosage levels. Its low volatility and non-volatile nature support consistent performance without disrupting the evaporation profile of the carrier medium.
Q5: What are the storage recommendations for MEM-1352?
A: Store in original, tightly sealed containers at temperatures between 5 °C and 35 °C. Avoid freezing and prolonged exposure to temperatures above 40 °C. Protect from direct sunlight and contamination. When stored properly, shelf life is typically 12 months from date of manufacture.
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E-mail: wangxingqiang@ericwchem.com
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