Mixed adsorption of cetyltrimethylammonium bromide and triton X-100 surfactants on carbon black

Olga Kochkodan, Nadiya Antraptseva, Viktor Kochkodan

Research output: Contribution to journalArticle

Abstract

Adsorption of cationic cetyltrimethylammonium bromide (CTAB) and nonionic Triton X100 surfactants from their mixed aqueous solutions on graphitized carbon black (CB) have been studied. The adsorption isotherms of CTAB or Triton X100 from single solutions on CB surface shown to be of the Langmuir type. In the mixed solutions of CTAB and Triton X100 surfactants, the adsorption of CTAB or Triton X100 on CB decreased in the presence of the other surfactant due to competitive adsorption of the components. It was shown that the mole fraction of Triton X-100 on CB surface has been essentialy changed depending on total concentration of the surfactants mixture. At mixture concentration corresponding to the unsaturated monolayer, a strong synergetic effect was found when the surface excess concentration Triton X100 at the CB surface in the presence of CTAB is higher than that for Triton X-100 in the absence of CTAB.

Original languageEnglish
Pages (from-to)8-13
Number of pages6
JournalMaterials Science Forum
Volume936
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Soot
Octoxynol
Carbon black
Surface-Active Agents
bromides
Surface active agents
surfactants
Adsorption
adsorption
carbon
Adsorption isotherms
Monolayers
cetrimonium
isotherms
aqueous solutions

Keywords

  • Carbon black
  • Cetyltrimethyl ammonium bromide
  • Mixed adsorption
  • Triton X-100

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Mixed adsorption of cetyltrimethylammonium bromide and triton X-100 surfactants on carbon black. / Kochkodan, Olga; Antraptseva, Nadiya; Kochkodan, Viktor.

In: Materials Science Forum, Vol. 936, 01.01.2018, p. 8-13.

Research output: Contribution to journalArticle

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