What is HyMax CA water-based polycarbodiimide crosslinking agent?
HyMax CA Water-based polycarbodiimide crosslinking agent is a polymer containing carbodiimide groups and hydrophilic groups. It is environmental friendly with no solvent and VOCs.
Which application areas is HyMax CA water-based polycarbodiimide crosslinking agent suitable for?
- PUD (Polyurethane dispersion)
- acrylic emulsion
- Carboxylic acid modified resin (SBR, NBR latex, etc.)
- Water dispersible polyester
Reaction mechanism of HyMax CA water-based polycarbodiimide crosslinking agent
Comparison of different categories of crosslinking agents
| Crosslinking agent | Toxicity | Reactivity | Pot life | Reaction temperature |
| locked isocyanate | Slight toxicity | Good | Excellent | 120℃ |
| aziridine | Toxic | Excellent | Bad | too low |
| tripolycyanamide | Toxic | OK | Excellent | 140℃ |
| oxazoline | No Toxicity | Bad | Good | 80℃ |
| Water dispersed isocyanate | Toxic | Excellent | Bad | too low |
| water-borne epoxy resin | Toxic | OK | Good | 80℃ |
| HyMax CA Polycarbodiimide | No Toxicity | Good | Good | 20℃ |