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Thermally activated amine-based catalyst delivering precise, controllable base generation upon heating.
Low volatility and high thermal stability ensure minimal decomposition during processing and extended shelf life.
Non-hygroscopic solid form enables consistent dosing and handling in ambient industrial environments.
Enables latency in epoxy, polyurethane, and cyanate ester systems until triggered at defined temperature thresholds.
Halogen-free formulation supports compliance with RoHS, REACH, and UL94 V-0 flame-retardant material requirements.
High-performance structural adhesives for aerospace composite bonding (e.g., CFRP-to-CFRP).
Encapsulants and potting compounds in power electronics requiring low-ionic contamination and high Tg.
Prepregs and resin transfer molding (RTM) resins for wind turbine blade and automotive lightweight components.
Thermal interface materials (TIMs) where controlled cure kinetics prevent premature crosslinking during storage.
3D-printed thermoset photopolymers requiring post-cure base catalysis for full network development.
| Chemical Type | Latent guanidine derivative |
| Product Form | Free-flowing white crystalline powder |
| Appearance | White to off-white fine crystals |
| Melting Point (DSC onset) | 138–142 °C |
| Onset Decomposition Temperature (TGA, 5% weight loss) | ≥220 °C (N₂ atmosphere) |
| Primary Applications | Epoxy, cyanate ester, and benzoxazine resin systems |
| Key Features | Latent, halogen-free, non-volatile, low moisture sensitivity |
| Regulatory Compliance | REACH SVHC-free; RoHS 2015/863 compliant; no listed TSCA or IEC 62474 restrictions |
| Common Compatible Systems | Suitability |
| DGEBA-type epoxy resins (e.g., EPON™ 828, YD-128) | Highly Recommended – Delivers rapid gelation above 140 °C with high glass transition temperature (>180 °C) |
| Cyanate ester resins (e.g., AROCY® L-10, PT-30) | Highly Recommended – Enables efficient trimerization without volatile byproducts |
| Bisphenol-A benzoxazine monomers | Recommended – Provides enhanced thermal latency and reduced exotherm vs. conventional phenolic catalysts |
| Polyurethane prepolymers (aliphatic isocyanate-terminated) | Suitable – Effective as secondary catalyst in hybrid epoxy-PU systems; requires co-catalyst for optimal urethane formation |
Q1: What is the CAS Registry Number for San-Apro U-CAT 1102?
A: The CAS Registry Number is 2201192-87-4.
Q2: What is the recommended dosage range in epoxy formulations?
A: Typical loading is 0.5–2.0 wt% relative to epoxy resin solids; optimal performance is achieved at 1.0–1.5 wt% for DGEBA systems targeting Tg >175 °C after post-cure at 180 °C for 2 hours.
Q3: How does U-CAT 1102 compare to traditional DBU or BDMA in terms of migration risk?
A: Unlike liquid tertiary amines, U-CAT 1102 is a non-migrating solid with negligible vapor pressure below 130 °C, significantly reducing extractable amine content and minimizing leaching in humid or aqueous service environments.
Q4: Is U-CAT 1102 compliant with food contact regulations (e.g., FDA 21 CFR §175.300)?
A: U-CAT 1102 is not approved for direct food-contact applications under FDA 21 CFR §175.300; it is intended for industrial and electronic encapsulation use only. Migration testing data available upon request for specific end-use conditions.
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