2-Propenoic acid, 2-methyl-, 2-methylpropyl ester, polymer with ethenylbenzene and 2-ethylhexyl 2-propenoate
CAS: 68240-06-2
Category: Polymers
| Purity | Industrial Grade (solid content 45–55% for emulsion), High-Performance Grade (tailored Tg and molecu |
| Molecular Formula | (C₄H₈O₂·C₈H₈·C₁₁H₂₀O₂)ₙ |
| Molecular Weight | Variable |
| Appearance | White milky emulsion (if supplied as latex) or colorless to pale yellow transparent solid beads/resin (if supplied in solid form) |
| Packaging | 200kg/plastic drum or 1000kg/IBC tote (for emulsion); 25kg/plastic-lined paper bag or 500kg/super sack (for solid resin) |
| Testing Indicators | Appearance — Visual inspection; Solids content — Gravimetric analysis (oven drying); Viscosity — Brookfield viscometer; pH — Potentiometry (for emulsion); Glass transition temperature (Tg) — DSC; Molecular weight distribution — GPC; Residual monomers — GC (headspace); Particle size — Dynamic light scattering (for emulsion); Coagulum content — 100-mesh screen filtration; Mechanical stability — High-speed shear test; Film gloss — Gloss meter. |
| Storage Notes | Stored in a cool, dry, well-ventilated area in tightly closed containers, protected from freezing (if emulsion) and direct sunlight; avoid temperatures above 40°C to prevent coagulation or degradation; keep away from strong oxidizers and strong acids/bases. |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Used as a pressure-sensitive adhesive (PSA) component; in water-based architectural coatings and paints for improved film formation, gloss, and weather resistance; as a binder in sealants, caulks, and paper coatings; and in leather finishing and textile backcoating applications where flexibility and durability are required.