TDI Uron (CAS 17526-94-2) is a highly efficient latent curing agent primarily used in epoxy resin systems

TDI Uron is widely used in industrial fields requiring high performance and specific processing conditions, including:

Electronics Industry: Manufacturing laminates for printed circuit boards (PCBs).

Coating Industry: Producing high-performance powder coatings.

Adhesives: Formulating structural adhesives.

Advanced Composites: Producing high-tech materials like carbon fiber composites.

Compared to traditional curing agents, TDI Uron offers an excellent balance between high storage stability and fast high-temperature curing:

Latency (High Stability): It is very stable when mixed with epoxy resins at room temperature, significantly extending the pot life and shelf life of finished products.

Medium-Temperature Fast Curing: While standard curing agents may require temperatures up to 200°C, TDI Uron significantly lowers the required curing temperature to above 130°C, where it achieves rapid curing, thus improving production efficiency.

Excellent Product Performance: Epoxy resin systems cured with TDI Uron exhibit outstanding mechanical and electrical properties.

Dual Reaction Mechanism: Upon heating, TDI Uron decomposes to release isocyanate groups and catalytically active dimethylamine. Dimethylamine accelerates epoxy curing, while isocyanate reacts with epoxy resin to form an oxazolidone structure, creating additional cross-linking points that enhance material properties.