Associative Thickener (HMHEC)
CAS Number: 9004-62-0
Hydrophobically modified hydroxyethyl cellulose (HMHEC) associative thickener combining the water retention of cellulosic thickeners with the mid-shear viscosity build of associative thickeners. It provides balanced low-shear and mid-shear viscosity for excellent sag resistance and application performance in waterborne architectural coatings. Non-ionic character ensures broad compatibility.
Technical Specifications
| pH | 6.0 – 8.0 (1% solution) |
| viscosity | 5000 – 15000 mPa·s (2% solution, Brookfield) |
| appearance | White to off-white powder |
| moisture content | ≤ 5.0% |
| degree of substitution | 1.8 – 2.5 |
Applications
- Interior and exterior architectural emulsion paints
- High-build coatings and masonry paints
- Waterborne industrial primers
- Sealers and concrete coatings
- Elastomeric waterproofing coatings
Key Features
- Balanced low- and mid-shear viscosity build
- Improved sag resistance on vertical surfaces
- Good water retention for optimal open time
- Non-ionic — compatible with most paint additives
- Provides leveling while maintaining film build