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Interaction of oppositely charged polyelectrolyte-ionic surfactant mixtures: adsorption of sodium poly(acrylic acid)-dodecyl trimethyl ammonium bromide mixtures at the air-water interface

Abstract:

The adsorption of the polyelectrolyte-cationic surfactant mixture of sodium poly(acrylic acid), NaPAA, and dodecyl trimethyl ammonium bromide, C 12TAB, at the air-water interface has been studied using neutron reflectivity and surface tension. The results provide direct evidence of the relative roles of the electrostatic and hydrophobic interactions between the polyelectrolyte and surfactant on the adsorption behaviour. At both pH 4.2 and 9.2 the addition of NaPAA results in a strong reductio...

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Publication status:
Published

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Publisher copy:
10.1039/b508176a

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
SOFT MATTER More from this journal
Volume:
1
Issue:
4
Pages:
310-318
Publication date:
2005-10-14
DOI:
EISSN:
1744-6848
ISSN:
1744-683X
Language:
English
Pubs id:
pubs:39711
UUID:
uuid:a97ba28f-eafd-4716-bba5-efeaa7494009
Local pid:
pubs:39711
Source identifiers:
39711
Deposit date:
2012-12-19

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