Synergism in SDDS - DDTMAC mixed surfactant system

Hong Dar Day, Yu Min Yang, Jer R.U. Maa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The synergistic effect on surface tension reduction and micelle formation was systematically studied for the binary mixtures of sodium dodecyl sulfate (SDDS) and dodecyl trimethyl ammonium chloride (DDTMAC). Significant synergism of this system results in large negative values of parameters βo and βm, that measure the extent of the interaction between the two surfactants for mixed monolayer formation at aqueous solution/air interface and mixed micelle formation, respectively. The stoichiometry and equilibrium constant of the ion - pair complex formation between oppositely charged organic ions were also determined by means of the conductimetric method. Synergism affects through the formation of the equimolecular complex can then be verified.

Original languageEnglish
JournalJournal of the Chinese Institute of Chemical Engineers
Volume28
Issue number3
Publication statusPublished - 1997

Fingerprint

Sodium dodecyl sulfate
Micelles
Surface-Active Agents
Sodium Dodecyl Sulfate
Surface active agents
Ions
Equilibrium constants
Binary mixtures
Stoichiometry
Surface tension
Monolayers
Air
dodecyltrimethylammonium

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

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Synergism in SDDS - DDTMAC mixed surfactant system. / Day, Hong Dar; Yang, Yu Min; Maa, Jer R.U.

In: Journal of the Chinese Institute of Chemical Engineers, Vol. 28, No. 3, 1997.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Synergism in SDDS - DDTMAC mixed surfactant system

AU - Day, Hong Dar

AU - Yang, Yu Min

AU - Maa, Jer R.U.

PY - 1997

Y1 - 1997

N2 - The synergistic effect on surface tension reduction and micelle formation was systematically studied for the binary mixtures of sodium dodecyl sulfate (SDDS) and dodecyl trimethyl ammonium chloride (DDTMAC). Significant synergism of this system results in large negative values of parameters βo and βm, that measure the extent of the interaction between the two surfactants for mixed monolayer formation at aqueous solution/air interface and mixed micelle formation, respectively. The stoichiometry and equilibrium constant of the ion - pair complex formation between oppositely charged organic ions were also determined by means of the conductimetric method. Synergism affects through the formation of the equimolecular complex can then be verified.

AB - The synergistic effect on surface tension reduction and micelle formation was systematically studied for the binary mixtures of sodium dodecyl sulfate (SDDS) and dodecyl trimethyl ammonium chloride (DDTMAC). Significant synergism of this system results in large negative values of parameters βo and βm, that measure the extent of the interaction between the two surfactants for mixed monolayer formation at aqueous solution/air interface and mixed micelle formation, respectively. The stoichiometry and equilibrium constant of the ion - pair complex formation between oppositely charged organic ions were also determined by means of the conductimetric method. Synergism affects through the formation of the equimolecular complex can then be verified.

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