news pentamethyldiethylenetriamine pc-5: opening a new path for the manufacture of high-performance polyurethane composites i. pentamethyldiethylenetriamine pc-5: the hero behind high-performance polyurethane composites in t... 03/13100Pentamethyldiethylenetriamine PC-5: Opening a new path for the manufacture of high-performance polyurethane composites