Adsorption and desorption behavior of asphaltene on polymer-brush-immobilized surfaces

Yuji Higaki, Kaoru Hatae, Tatsuya Ishikawa, Toshimasa Takanohashi, Hayashi Jun-Ichiro, Atsushi Takahara

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The adsorption behavior of a model compound for surface-active component of asphaltenes, N-(1-hexylheptyl)-N′-(12-carboxylicdodecyl) perylene-3,4,9,10-tetracarboxylic bisimide (C5Pe), and detachment behavior of asphaltene deposit fi lms for high-density polymer brushes were investigated. Zwitterionic poly(3-(N-2-methacryloyloxyethyl-N,N-dimethyl)ammonatopropanesulfonate (PMAPS) brushes and hydrophobic poly(n-hexyl methacrylate) (PHMA) brushes exhibit less C5Pe adsorption than poly(methyl methacrylate) (PMMA). The asphaltene deposit films on the PHMA brush detached in a model oil (toluene/n-heptane = 1/4 (v/v)), and the asphaltene films on the PMAPS brush detached in water. The antifouling character was explained by the interface free energy for the polymer-brush/asphaltenes (γSA) and polymer-brush/toluene (γSO). (Figure Presented).

Original languageEnglish
Pages (from-to)20385-20389
Number of pages5
JournalACS Applied Materials and Interfaces
Volume6
Issue number22
DOIs
Publication statusPublished - Jan 1 2014

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Brushes
Desorption
Polymers
Adsorption
Asphaltenes
Toluene
Deposits
Perylene
Heptane
Polymethyl Methacrylate
asphaltene
Polymethyl methacrylates
Free energy
Oils
Water

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Adsorption and desorption behavior of asphaltene on polymer-brush-immobilized surfaces. / Higaki, Yuji; Hatae, Kaoru; Ishikawa, Tatsuya; Takanohashi, Toshimasa; Jun-Ichiro, Hayashi; Takahara, Atsushi.

In: ACS Applied Materials and Interfaces, Vol. 6, No. 22, 01.01.2014, p. 20385-20389.

Research output: Contribution to journalArticle

Higaki, Yuji ; Hatae, Kaoru ; Ishikawa, Tatsuya ; Takanohashi, Toshimasa ; Jun-Ichiro, Hayashi ; Takahara, Atsushi. / Adsorption and desorption behavior of asphaltene on polymer-brush-immobilized surfaces. In: ACS Applied Materials and Interfaces. 2014 ; Vol. 6, No. 22. pp. 20385-20389.
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