15771-18-3 26569-63-1 2H-Azepin-2-one, hexahydro-, polymer with ethylene oxide (8CI) 2H-Azepin-2-one, hexahydro-, polymer with oxirane Amidap Caprolactam-ethylene oxide polymer Ethylene oxide-nylon 6 polymer Hexahydro-2H-azepin-2-one polymer with oxirane