Ethylene imine polymer is widely used in various industrial applications due to its unique properties. It serves as a key component in the production of adhesives and coatings, providing excellent binding and film-forming capabilities. In the paper industry, it is utilized as a wet-strength additive, enhancing the durability of paper products when exposed to moisture. Additionally, it finds use in water treatment processes, where it acts as a flocculant to remove impurities and improve water clarity. The polymer is also employed in the textile industry for fabric finishing, imparting softness and wrinkle resistance to materials. In the rubber and plastics industries, it is used as an adhesion promoter to enhance bonding and product strength. Its versatility extends to the field of personal care, where it is incorporated into hair and skincare products for its conditioning and stabilizing effects.