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Synthesis and Aggregation Behavior of Hexameric Quaternary Ammonium Salt Surfactant Tz-6C[sub.12]QC

Jiao, Jianjian ; Ma, Chi ; Zhang, Linlin ; Li, Fan ; Gao, Tianxu ; Wang, Lei ; Sin, Lee Tin

Polymers, 2023-11, Vol.15 (22) [Periódico revisado por pares]

MDPI AG

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  • Título:
    Synthesis and Aggregation Behavior of Hexameric Quaternary Ammonium Salt Surfactant Tz-6C[sub.12]QC
  • Autor: Jiao, Jianjian ; Ma, Chi ; Zhang, Linlin ; Li, Fan ; Gao, Tianxu ; Wang, Lei ; Sin, Lee Tin
  • Assuntos: Chemical industry ; Chemical properties ; Herbicides ; Pesticides industry
  • É parte de: Polymers, 2023-11, Vol.15 (22)
  • Descrição: A hexameric quaternary ammonium salt surfactant Tz-6C[sub.12]QC featuring a rigid triazine spacer and six ammonium groups was synthesized. The molecular structure and aggregation behavior of Tz-6C[sub.12]QC were characterized by nuclear magnetic resonance spectroscopy, surface tension, conductivity, dynamic light scattering, and transmission electron microscopy, etc. Dissipative particle dynamics (DPD) simulation was employed to investigate the self-assembly behavior of Tz-6C[sub.12]QC at different concentrations. The rheological behavior of the polyacrylamide/Tz-6C[sub.12]QC system was characterized by shear rheology. The results indicated that Tz-6C[sub.12]QC exhibited superior surface activity and lower surface tension compared to conventional surfactants. Rheology analysis revealed that Tz-6C[sub.12]QC had a significant viscosity reduction effect on polyacrylamide. DLS and TEM indicated that, as the concentration of Tz-6C[sub.12]QC increased, monomer associations, spherical aggregations, vesicles, tubular micelles, and bilayer vesicles were sequentially formed in the solution. This study presents a synthetic approach for polysurfactants with a rigid spacer and sheds light on the self-assembly process of micelles.
  • Editor: MDPI AG
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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