Waterborne Carbodiimide Crosslinker CDI-WB
In StockMOQ
200 kg
Lead Time
7–14 days
Packaging
200 kg plastic-lined drums
Specifications
| pH | 6.5–8.0 |
| Solid Content | 40% in water |
| Viscosity (25°C) | 50–250 mPa·s |
| Carbodiimide Equivalent Weight | 430–480 g/eq |
| Pot Life after Addition (25°C) | >7 days |
FAQ
Both react with carboxyl (COOH) groups on the binder: aziridines via ring-opening to form β-amino ester bonds (fast, pH-sensitive), carbodiimides via condensation to N-acylurea bonds (slower, less pH-sensitive). CDI-WB offers a significant advantage in long pot life (>7 days vs 8–24 h for aziridines), enabling single-component packaging or long production campaigns. Aziridines typically give higher crosslink density at equal molarity but require more careful dosing to avoid gelation.
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