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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

 

E-mail: yylhill@163.com

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 n ) 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.

DOI: 10.2478/s11696-009-0047-1

 

Chemical Papers 63 (5) 620–624 (2009)

Tuesday, August 03, 2021

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