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Langmuir 1996,11, 3605-3606 3605 Dimeric Surfactants: A Simplified Model for
 

Summary: Langmuir 1996,11, 3605-3606 3605
Dimeric Surfactants: A Simplified Model for
the Spacer Chain
Haim Diamantt and David Andelman*sts$
School of Physics and Astronomy, Raymond and Beverly
Sackler Faculty of Exact Sciences, Tel Aviv University,
Ramat Aviv, Tel Aviv 69978, Israel, and Groupe de
Physico-Chimie Thborique, E.S.P.C.I.,10 rue Vauquelin,
75231 Paris Cedex 05, France
Received February 21, 1995.In Final Form: June 9, 1995
Dimericsurfactantsarecomposedofordinarysurfactant
monomers for which the polar head groups have been
chemically linked in pairs by an alkanediyl chain
("spacer"). This pairwise linking has been shown by
experiments to changequite drastically the physical and
chemicalpropertiesofthe surfactant solution,ascompared
to those of the original In particular, one
can mention the influence of the spacer on aggregate
morphology,2which is directly related to changes in the
specific area of the surfactant molecules at interface^.^

  

Source: Andelman, David - School of Physics and Astronomy, Tel Aviv University

 

Collections: Materials Science; Physics