Polyamine Hardener
Polyamine hardeners are multifunctional amine compounds that cure epoxy resins through nucleophilic addition of active hydrogen atoms to epoxide rings, forming robust beta-hydroxy amine networks. Triethylenetetramine (TETA, CAS 112-24-3) is a representative aliphatic polyamine widely used for ambient-temperature epoxy curing. Polyamine hardeners deliver fast cure speeds, high crosslink density, and excellent adhesion, making them suitable for protective coatings, flooring, and structural bonding.
Технические характеристики
| pH | 11.0–12.5 (1% aqueous solution) |
| purity | ≥97% |
| appearance | Clear, slightly viscous liquid |
Области применения
- Room-temperature cure epoxy coatings for industrial maintenance
- Epoxy adhesives for metal-to-metal and metal-to-composite bonding
- Concrete primer and penetrating sealer formulations
- Grouting compounds for anchor bolts and rebar
- Tooling compounds and prototype molds
Особенности продукта
- High active hydrogen content enabling low mix ratios and fast cure
- Room-temperature cure without external heat source
- Accelerated grades available for sub-ambient curing conditions
- Modified polyamine grades offer reduced skin sensitization potential