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A novel anionic Gemini surfactant, sodium dialkylbenzene disulfonate with spacer of -C 3 H 6 -, was synthesized and confirmed by  1 HNMR, MS and IR. Such Gemini surfactant in dilute aqueous solution without additives was researched by rotational rheometer and exhibited special viscoelastic behaviors and shear-thinning properties like entangled polymer solution. The influence of concentration and shear rate on viscosity and shear modulus has been studied and the reason of enhancing viscosity has also been discussed.

Synthesis and Viscoelastic Behavior of an Anionic Gemini Surfactant in Aqueous Solution