Effect of spacer length on the interfacial behavior of N,N_-bis(dimethylalkyl)-α,ω-alkanediammonium dibromide gemini surfactants in the absence and pr推荐.pdf

Effect of spacer length on the interfacial behavior of N,N_-bis(dimethylalkyl)-α,ω-alkanediammonium dibromide gemini surfactants in the absence and pr推荐.pdf

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Effect of spacer length on the interfacial behavior of N,N_-bis(dimethylalkyl)-α,ω-alkanediammonium dibromide gemini surfactants in the absence and pr推荐

Journal of Colloid and Interface Science 486 (2017) 204–210 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.else /locate/jcis Regular Article Effect of spacer length on the interfacial behavior of N,N0 -bis(dimethylalkyl)-a,x-alkanediammonium dibromide gemini surfactants in the absence and presence of ZnO nanoparticles Tahereh Fereidooni Moghadam a, Saeid Azizian a,⇑, Shawn Wettig b a Department of Physical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, 65147 Hamedan, Iran b School of Pharmacy University of Waterloo, Waterloo, ON N2L 3G1, Canada h i g h l i g h t s g r a p h i c a l a b s t r a c t Gemini surfactants and ZnO nanoparticles have synergism effect on interfacial tension. Effect of ZnO on the interfacial tension decreases with increasing spacer length. Surfactant efficiency in emulsion stability increases with increasing spacer length. a r t i c l e i n f o a b s t r a c t Article history: 0 In this paper the interfacial behavior of aqueous solutions of cationic gemini surfactants of the, N,N - Received 9 April 2016 bis(dimethylalkyl)-a,x-alkanediammoniumdibromide type (known as the 12-s-12 series), in the absence Revised 26 September 2016 and presence of ZnO nanoparticles was studied. Equilibrium and dynamic interfacial tension between Accepted 27 Septe

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