Abstract
Abstract A new tetrasiloxane-tailed dicephalic surfactant was synthesized. The structures of intermediate and product were confirmed by infrared spectroscopy and 1H nuclear magnetic resonance spectroscopy. Surface activity and wetting ability of the surfactant were also investigated. The results show that the prepared surfactant exhibited excellent surface activity reducing the equilibrium surface tension of water to a minimum value of approximate 21.8 mN · m−1.
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