Solvay Sipomer SEM-25 is a liquid methacrylic ester monomer engineered for formulating high-performance HASE thickeners. Its unique molecular architecture enables precise rheology control in waterborne applications while enhancing mechanical durability. The monomer demonstrates excellent compatibility with various polymer matrices, facilitating customized flow properties without compromising system stability.
Shear-Stable Thickening - Maintains viscosity across processing conditions
Enhanced Adhesion - Improves substrate bonding by 25%
Water Resistance - Reduces moisture absorption by 35%
Alkali Tolerance - Stable performance in pH 7-10 systems
Process Flexibility - Compatible with cold/hot processing
High-Speed Printing - Viscosity stabilizer for flexographic inks
Structural Adhesives - Reinforcing agent for automotive applications
Textured Coatings - Anti-sag additive for decorative finishes
Industrial Primers - Rheology modifier for metal substrates
ppearance | - | Usually powder or granulated form (varies by specific type, e.g., some are cream - colored granules) |
Particle Size | µm | Specific values depend on the product type, for example, some have a particle size where ≤75 µm is ≤5% and ≤1180 µm is >95% |
pH (1% Aqueous Solution) | - | Generally in the range of 6.0 - 8.0 |
Brookfield Viscosity | cp | For a 1% solution in 1% KCl, measured with Brookfield LV at 60 rpm using spindle n° 3, it may be in the range of 1200 - 1600 cp |
Solubility | - | Soluble in water or specific solvents relevant to its application, forming a viscous colloidal solution |
Shelf Life | month | Approximately 24 months under proper storage conditions |
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