ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7
Aqueous foam stabilized by polyoxyethylene dodecyl ether
Xi-An Li, Jian-Bing Peng, and Yong-Li Yan
College of Geology Engineering and Geomatics, Chang’an University, Xi’an, 710054, China
Received: 7 August 2008 Revised: 13 February 2009 Accepted: 16 February 2009
Abstract: Foaming properties of aqueous solutions of the nonionic surfactant polyoxyethylene dodecyl ether (C12EO
) were studied at 298 K. Four different EO chain lengths, namely C12EO3, C12EO5, C12EO7, and C12EO9, were considered. The foams obtained from C12EO3 or C12EO5 were extraordinary stable retaining a constant volume for more than 20 h. The presence of lamellar liquid crystalline phases
was mainly responsible for the super-stable aqueous foams.
Keywords: foam - polyoxyethylene dodecyl ether - stabilization - lamellar liquid crystal
Full paper is available at www.springerlink.com.
Chemical Papers 63 (5) 620–624 (2009)