English
Español
tiếng việt
русский
Highly latent at room temperature, enabling extended pot life and improved handling safety.
Activates rapidly upon heating (typically >120 °C), ensuring efficient epoxy resin curing without premature reaction.
Halogen-free formulation, supporting compliance with RoHS and other environmental regulations.
Excellent compatibility with standard bisphenol-A and bisphenol-F epoxy resins.
Delivers high glass transition temperature (Tg) and mechanical strength in cured thermosets.
Prepregs for aerospace and high-performance composites.
Electrically insulating encapsulants and potting compounds for power electronics.
Structural adhesives requiring precise thermal activation control.
Coatings and laminates demanding low volatility and minimal outgassing.
3D printing resins where shelf-stable, heat-triggered crosslinking is required.
| Chemical Type | Latent imidazole derivative |
| Product Form | Powder |
| Appearance | White to off-white free-flowing powder |
| Primary Applications | Epoxy resin curing agent for high-performance thermosets |
| Key Features | Thermally activated, halogen-free, low dust generation |
| Storage Conditions | Store under dry conditions at 5–30 °C; protect from moisture |
| Onset Activation Temperature | ≈120 °C (by DSC) |
| Shelf Life | ≥12 months under recommended storage conditions |
Q1: What is the primary function of EH-4360S in epoxy systems?
A: EH-4360S is a latent curing agent designed to provide extended pot life at ambient temperature while enabling rapid, efficient crosslinking upon thermal activation—typically above 120 °C—making it especially suitable for one-component epoxy formulations requiring storage stability and controlled cure profiles.
Q2: Which epoxy resins is EH-4360S typically compatible with?
A: EH-4360S demonstrates good compatibility with standard bisphenol-A and bisphenol-F type liquid and solid epoxy resins, as well as many novolac epoxies. Compatibility and reactivity should be verified experimentally within the specific formulation due to variations in resin functionality and molecular weight.
Q3: How does EH-4360S compare to conventional amine-based curing agents in terms of handling and safety?
A: Unlike highly reactive aliphatic amines, EH-4360S exhibits low volatility and minimal skin sensitization potential under normal handling conditions. Its latent nature eliminates the need for strict ambient humidity control or immediate use after mixing, contributing to improved workplace safety and process flexibility.
Q4: What are typical processing conditions required to achieve full cure with EH-4360S?
A: Full cure is generally achieved through thermal post-curing, commonly at temperatures between 140 °C and 180 °C for 30–90 minutes, depending on part geometry, thermal mass, and desired final properties. Lower temperatures may be used with extended dwell times, though gel time and ultimate crosslink density will vary accordingly.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
