English
Español
tiếng việt
русский
Highly stable anionic silicone emulsion with excellent shelf life under ambient storage conditions.
Provides superior lubricity and surface slip for enhanced processing and end-product feel.
Offers outstanding compatibility with water-based systems including acrylics, polyurethanes, and cellulose derivatives.
Delivers durable hydrophobicity and moisture resistance without compromising breathability in coated substrates.
Low foaming profile ensures smooth operation in high-shear industrial coating and textile finishing applications.
Textile softening and hydrophobic finishing for cotton, polyester, and blended fabrics.
Surface treatment agent for nonwovens used in hygiene and medical products.
Release additive in water-based pressure-sensitive adhesives and paper coatings.
Slip and anti-blocking agent in waterborne architectural and industrial paints.
Functional additive in personal care formulations requiring mild sensory enhancement and spreadability.
| Chemical Type | Dimethyl silicone polymer emulsion (anionic) |
| Product Form | Opaque white liquid |
| Appearance | Homogeneous, free-flowing emulsion |
| pH (1% aqueous solution) | 6.0 – 7.5 |
| Active Content (wt%) | 30 ± 1 |
| Density (25°C, g/cm³) | 0.98 – 1.02 |
| Viscosity (Brookfield, LVT, Spindle #3, 20 rpm, 25°C, mPa·s) | 100 – 300 |
| Primary Applications | Textile finishing, nonwoven treatment, waterborne coatings, adhesives, personal care |
Q1: What is the primary function of MEM-8203 in coating and ink formulations?
A: MEM-8203 is a non-ionic, anionic-stabilized silicone emulsion designed to provide surface leveling, substrate wetting, and foam control in water-based coatings, gravure and flexographic inks, and overprint varnishes. It helps reduce surface defects such as craters, orange peel, and pinholes without significantly affecting gloss or intercoat adhesion.
Q2: Is MEM-8203 compatible with common water-based polymer systems?
A: Yes, MEM-8203 exhibits broad compatibility with acrylics, styrene-acrylics, vinyl acetate copolymers, and polyurethane dispersions. It is formulated to remain stable in mildly acidic to neutral pH ranges (typically pH 5–8) and shows good tolerance to moderate levels of electrolytes and common co-solvents used in industrial formulations.
Q3: How should MEM-8203 be incorporated into a formulation?
A: MEM-8203 is typically added during the let-down or post-addition stage, after high-shear dispersion of pigments and fillers. Gentle mixing is recommended to avoid excessive mechanical shear that may destabilize the emulsion. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight of total formulation.
Q4: Does MEM-8203 affect drying time or film formation?
A: MEM-8203 is not expected to significantly delay drying or interfere with film coalescence in standard water-based systems when used within recommended dosage levels. Its low volatility and emulsified nature allow it to remain distributed at the interface without migrating excessively during drying.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
