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Polyaziridine Crosslinker AN-2201
Polyaziridine Crosslinker AN-2201 is a versatile crosslinking agent from Millstone Durbax containing trifunctional aziridine that effectively reacts with active hydrogen atoms within polymers, oligomers, and other resins. Polyaziridine Crosslinker AN-2201 has a maximum of 1.0% volatile compounds and a viscosity of 100 to 300 mPa•s at 25°C.
Polyaziridine Crosslinker AN-2201 is a water-soluble trifunctional aziridine crosslinker recommended for both aqueous and non-aqueous systems for various applications, such as adhesives, pressure-sensitive additives (PSA), textile printing, and finishings, printing inks, over-print varnishes, and coatings for wood and leather. Upon use, the aziridine functional groups react with active hydrogen atoms within polymer resin structures, curing at room temperature to improve the chemical and physical properties of systems while providing excellent color and clarity. Polyaziridine Crosslinker AN-2201 imparts exceptional durability and hardness to coating systems with resistance to water, humidity, detergents, chemicals, abrasion, scuffs, and more. It also provides a wide range of additional benefits, including fast cure time, high crosslink density, tack modification, anti-wicking properties, and excellent adhesion to low-energy substrates.
Polyaziridine Crosslinker AN-2201 reacts quickly in the presence of an acidic medium and should be used in alkaline systems with a pH range of 8 to 10. Polyaziridine Crosslinker AN-2201 should be added slowly to coating systems under adequate agitation just before use to ensure even distribution.
Specifications
Appearance: Clear liquid Solid content (Area%): 98% min Residue MET (ppm): <100 Viscosity (@ 25°C, mPa.s): 100─300 Density (@ 20°C, g/cm3): 1.08 Total volatiles: 1.0% max pH (10% aqueous sol, 25°C): 8─10.5 Refractive index (@ 25°C): 1.4690─1.4730 Assay (mmol/g, eq of MET): 5.90─6.4
Primary Chemistry: Polyfunctional aziridine
Features & Benefits
Trifunctional aziridine crosslinker For aqueous and non-aqueous systems Cures at room temperature Modifies and controls tack and bond strength Increases cohesive strength Fast cure time Increased adhesion to difficult substrates Superior water, detergent, and chemical resistance Humidity resistance Abrasion and scuff resistance Excellent color and clarity High crosslink density Enhanced performance of VOC formulations Black heel resistance Anti-wicking React quickly in the presence of an acid medium Must be used in slightly alkaline systems (pH 8-10) Hydrolyzes slowly in waterborne applications Water soluble Excellent hardening and durability properties Reduced processing time
Problems Solved
Excessive walk-on time of hardwood floors Poor color and clarity of coatings Damage from scuffs, abrasions, weather, chemicals, and more during use Long curing time
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