IGM Omnicat 270 is a high-molecular-weight sulfonium salt cationic UV photoinitiator in the Omnicat series, designed for the cationic polymerization of epoxy or oxetane-based formulations. As a heavy metal-free solid photoinitiator, it is benzene-free and low-odor, with high solvent resistance, low shrinkage and excellent adhesion. Suitable for harsh scenarios such as can coatings, coil coatings
High-molecular-weight solid form - Solid powder easy to store, high molecular weight, strong stability and low migration
Heavy metal-free environmental protection - No heavy metal addition, benzene-free and low-odor, meeting high-end environmental and compliance requirements
Efficient cationic initiation - Specifically initiates cationic polymerization, stable reaction and excellent curing efficiency
Excellent solvent resistance and adhesion - Strong solvent resistance, low shrinkage after polymerization, excellent film-substrate adhesion
Multi-system adaptation - Suitable for epoxy and oxetane systems, strong versatility, no special adjustment needed
Can coatings field - Cationic UV coatings for cans, high solvent and corrosion resistance, suitable for food contact-related packaging
Coil coatings field - UV-curable coil coatings, low shrinkage, strong adhesion, suitable for continuous production
Pharmaceutical packaging field - UV inks/varnishes for pharmaceutical packaging, benzene-free and low-odor, meeting strict compliance requirements
High-end printing inks - Cationic printing inks and overprint varnishes, fast curing, high printing precision
Epoxy system coatings - Epoxy-based UV protective coatings, weather and chemical resistance, suitable for high-end industrial protection scenarios
| Brand | IGM (Omnicat® series) |
| Alias | 1-Chloro-4-propoxy (general associated alias) |
| CAS No | 142770-42-1 |
| Appearance (25℃) | White to off-white crystalline powder (solid) |
| Purity | ≥98.0% |
| Molecular Weight | ≥1000g/mol (high-molecular-weight grade) |
| Absorption Wavelength Range | 235-325nm (in methanol) |
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