pentamethyl diethylenetriamine (pc-5): a key component in enhancing impact resistance of polyurethane elastomers contents introduction 📚 overview of pentamethyl diethylenetriamine (pc-5) 2.1. chemical structure and properties 2.2. product parameters ⚙️ 2.3. synthesis methods polyurethane elastomers: an overview 3.1. synthesis and classification 3.2. applications and performance requirements 3.3. impact resistance: a critical property mechanism of pc-5...