IGM Esacure KIP 150 is a high-efficiency oligomeric polyfunctional UV photoinitiator in the Esacure® series, formerly BASF, a very viscous liquid at 80℃. It efficiently absorbs UV energy to generate free radicals, rapidly initiates polymerization, features low VOC, low odor and non-yellowing, compatible with various UV systems, ideal for UV adhesives, coatings, inks and other scenarios.
Polyfunctional efficient initiation - Oligomeric with multiple active sites, fast initiation speed, curing efficiency exceeds ordinary photoinitiators
Non-yellowing and no residue - No yellowing after curing, ensures appearance stability of clear/light systems, no harmful residues
Environmental compliance - Low VOC and low odor, meets strict environmental requirements, suitable for high-end eco-friendly formulations
Broad system compatibility - Soluble in most organic solvents, UV monomers and oligomers, extremely versatile
Good construction adaptability - Suitable for different film thicknesses and processes, uniform curing, avoiding surface tackines
UV printing inks - Various printing inks, OPV inks, low odor and low VOC, ensuring printing precision and drying speed
Transparent UV coatings - Clear coatings for wood/plastic/optical fibers, non-yellowing, improving surface gloss and durability
UV adhesives - Various fast-curing UV adhesives, shortening curing cycle, enhancing bond strength and stability
Paper coatings - UV curing coatings for paper, improving surface smoothness and abrasion resistance
High-end plastic coatings - UV coatings for plastic substrates, meeting environmental requirements, ensuring long-lasting transparency
| Brand | IGM (Esacure® series, former BASF) |
| Chemical Type | Oligomeric polyfunctional α-hydroxy ketone free-radical Type I UV photoinitiator |
| Chemical Name | Oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) |
| CAS No | 163702-01-0 |
| Molecular Formula | Oligomer mixture |
| Molecular Weight | Approx. 800 g/mol |
| Appearance (80℃) | Very viscous liquid |
Q1: What is the primary photoreactivity profile of Esacure KIP 150?
A: Esacure KIP 150 is a Type II photoinitiator based on benzophenone chemistry, requiring a co-initiator (e.g., tertiary amine) to generate reactive species under UV-A and visible light exposure. It exhibits good surface cure performance and low volatility, making it suitable for coatings and inks where oxygen inhibition resistance and film integrity are important.
Q2: Is Esacure KIP 150 compatible with common UV-curable resin systems?
A: Yes, KIP 150 demonstrates broad compatibility with acrylate-based oligomers and monomers—including urethane acrylates, epoxy acrylates, and polyester acrylates—as well as hybrid systems containing reactive diluents. Its solubility and reactivity profile support use in both solvent-borne and 100% solids formulations.
Q3: How should Esacure KIP 150 be handled and stored to maintain stability?
A: Store in original sealed containers under cool, dry conditions away from direct sunlight and UV sources. Avoid prolonged exposure to ambient light or elevated temperatures during handling, as this may lead to premature decomposition. Recommended storage temperature is below 30 °C; refrigeration is not required but may extend shelf life in high-temperature environments.
Q4: What is the typical dosage range for Esacure KIP 150 in UV formulations?
A: Dosage depends on formulation requirements, lamp output, substrate type, and desired cure speed—but it is typically used at low concentrations, generally ranging from 0.1% to 2% by weight relative to total formulation solids. Optimization through small-scale trials is recommended to balance surface cure, through-cure, and yellowing tendency.
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