Control of C.I. Basic Violet 10 aggregation in aqueous solution by the use of poly(sodium 4-styrenesulfonate)

Ignacio Moreno-Villoslada, Felipe González, Luis Arias, José Miguel Villatoro, Ricardo Ugarte, Susan Hess, Hiroyuki Nishide

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The aggregation behavior of C.I. Basic Violet 10 in the presence of poly(sodium 4-styrenesulfonate) was modified, as a consequence of short-range interactions. In aqueous acidic media, the cationic dye forms hydrophobic ion pairs with polymeric benzene sulfonate groups which tend to aggregate in H-contacts, this tendency being readily influenced by the relative concentration of the macromolecule with respect to that of the dye. In the case of dilute aqueous dye solutions (≤10-4 M), for which the probability of dye self-aggregation is small, C.I. Basic Violet 10 self-contacts are forced in the presence of a moderate excess of poly(sodium 4-styrenesulfonate). At dye concentrations >10-4 M, for which the probability of dye self-aggregation increases, dye-dye contacts are minimized in the presence of a large excess of the polymer. Hence, the luminescence of dye solutions can be tuned insorar as, that of dilute dye solutions is quenched whilst that of concentrated dye solutions can be enhanced. This behavior was not observed for other polyelectrolytes such as poly(sodium vinylsulfonate), or the more hydrophobic poly(sodium 2-(N-acrylamido)-2-methyl-propanesulfonate).

Original languageEnglish
Pages (from-to)401-408
Number of pages8
JournalDyes and Pigments
Volume82
Issue number3
DOIs
Publication statusPublished - 2009 Sep

Fingerprint

Coloring Agents
Agglomeration
Dyes
Sodium
styrenesulfonic acid polymer
Benzene
Polyelectrolytes
Macromolecules
Luminescence
Polymers
Ions

Keywords

  • Aromatic-aromatic interactions
  • C.I. Basic Violet 10
  • Fluorescence enhancement

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Cite this

Control of C.I. Basic Violet 10 aggregation in aqueous solution by the use of poly(sodium 4-styrenesulfonate). / Moreno-Villoslada, Ignacio; González, Felipe; Arias, Luis; Villatoro, José Miguel; Ugarte, Ricardo; Hess, Susan; Nishide, Hiroyuki.

In: Dyes and Pigments, Vol. 82, No. 3, 09.2009, p. 401-408.

Research output: Contribution to journalArticle

Moreno-Villoslada, Ignacio ; González, Felipe ; Arias, Luis ; Villatoro, José Miguel ; Ugarte, Ricardo ; Hess, Susan ; Nishide, Hiroyuki. / Control of C.I. Basic Violet 10 aggregation in aqueous solution by the use of poly(sodium 4-styrenesulfonate). In: Dyes and Pigments. 2009 ; Vol. 82, No. 3. pp. 401-408.
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