1. Pentamethyldiethylenetriamine PC-5: The “behind the scenes” in the chemical world In the chemical industry, catalysts are like an unknown “behind the scenes hero”. Although they are not directly involved in the formation of the final product, they can greatly improve reaction efficiency, reduce energy consumption, and reduce the generation of by-products. Pentamethyldiethylenetriamine PC-5 (Pentamethyldiethylenetriamine,...