12-Aminododecanoic acid lactam-THF block copolymer 2-Azacyclotridecanone-polytetramethylene glycol block coplymer Azacyclotridecan-2-one-polytetramethylene glycol block copolymer Azacyclotridecan-2-one-tetrahydrofuran block copolymer Azacyclotridecan-2-one-THF block copolymer Azacyclotridecan-2-one, polymer with tetrahydrofuran, block Azacyclotridecanone-polytetramethylene glycol block copolymer Furan, tetrahydro-, polymer with azacyclotridecan-2-one, block Laurolactam-polytetramethylene glycol block copolymer Laurolactam-tetrahydrofuran block copolymer Laurolactam-THF block copolymer Lauryllactam-poly(tetramethylene glycol) block copolymer Nylon 12-polytetramethylene glycol block copolymer Pebax 55-1 Pebax 70-1 Pebax 70-2 Pebax B Polyamide 12-PTMG block copolymer Polytetramethylene glycol-nylon 12 block copolymer