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Synthesis and surface properties of non-ionic Gemini surfactants based on nonylphenol

Jiping Yang

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Abstract

A type of novel non-ionic Gemini surfactant was synthesized from dimer which was obtained from nonyl-phenyl and formaldehyde.The total yield was 20%.The structure of the Gemini surfactant was characterized by IR and 1H NMR.Critical micelle concentration and surface tension of the Gemini surfactant in aqueous solution was tested by Wilhelmy-Plate method.i.e.CMC=0.003 4 mmol/ L,γCMC=35.18 mN/m.Compared to the conventional surfactant,the CMC is enhanced 100 times.

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What this paper is about

A type of novel non-ionic Gemini surfactant was synthesized from dimer which was obtained from nonyl-phenyl and formaldehyde.The total yield was 20%.The structure of the Gemini surfactant was characterized by IR and 1H NMR.Critical micelle concentration and surface tension of the Gemini surfactant in aqueous solution was tested by Wilhelmy-Plate method.i.e.CMC=0.003 4 mmol/ L,γCMC=35.18 mN/m.Compared to the conventional surfactant,the CMC is enhanced 100 times.

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Available abstract

A type of novel non-ionic Gemini surfactant was synthesized from dimer which was obtained from nonyl-phenyl and formaldehyde.The total yield was 20%.The structure of the Gemini surfactant was characterized by IR and 1H NMR.Critical micelle concentration and surface tension of the Gemini surfactant in aqueous solution was tested by Wilhelmy-Plate method.i.e.CMC=0.003 4 mmol/ L,γCMC=35.18 mN/m.Compared to the conventional surfactant,the CMC is enhanced 100 times.

Key concepts: Pulmonary surfactant, Critical micelle concentration, Surface tension, Nonylphenol, Wilhelmy plate, Chemistry, Aqueous solution, Formaldehyde

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