SEARCH Articles Figures Tables Butyl ethylene imine ETHYLENE IMINE COPOLYMER Ethylene imine Ethylene imine Ethylene imine, hydrolysis Ethylene imine, polymerization Ethylene imine, reaction Ethylene imine, structure Ethylene-imine ring, opening Hydroxyethyl ethylene imine Poly ethylene imine) Poly ethylene imine), synthesis