Colloids and Surfaces A 538 (2018) 361–370 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Adsorption behavior of branched polyoxyethylene ether carboxylate surfactants Qinghong Zhang, Yunling Li , Yongbo Song, Jun Li, Zhifei Wang China Research Institute of Daily Chemical Industry, Taiyuan 030001, PR China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In our work, branched anionic surfactant (3, 5, 7-trimethyl decanol polyoxyethylene ether carboxylate (A EC - 13 5 Branched anionic surfactants Na)) has been successfully synthesized and characterized by fourier transform infrared (FT-IR) spectra. Static Spreading equilibrium surface tension, contact angle and dynamic surface tension of alcohol ether carboxylic acid (A EC - 13 5 Adsorption behaviors H), alcohol ether carboxylate (A EC -Na) and linear chain carboxylate (A EC -Na, as comparison) were in- 13 5 12 5 Diﬀusion vestigated to study their spreading and adsorption behaviors. Electrolyte tolerance of anionic surfactants (A EC -Na and A EC -Na) was also studied to explore the application in enhanced oil recovery. The results 13 5 12 5 indicated that critical micelle concentration (CMC) and minimum area per molecule (A ) are the lowest and the surface excess concentration (Γm) is the
Colloids and Surfaces A: Physicochemical and Engineering Aspects – Elsevier
Published: Feb 5, 2018
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