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Solution pH and oligoamine molecular weight dependence of the transition from monolayer to multilayer adsorption at the air-water interface from sodium dodecyl sulfate/oligoamine mixtures.

Abstract:

Neutron reflectivity and surface tension have been used to investigate the solution pH and oligoamine molecular weight dependence of the adsorption of sodium dodecyl sulfate (SDS)/oligoamine mixtures at the air-water interface. For diethylenetriamine, triamine, or triethylenetetramine, tetramine mixed with SDS, there is monolayer adsorption at pH 7 and 10, and multilayer adsorption at pH 3. For the slightly higher molecular weight tetraethylenepentamine, pentamine, and pentaethylenehexamine, ...

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Publication status:
Published

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Publisher copy:
10.1021/la400929z

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
Langmuir : the ACS journal of surfaces and colloids
Volume:
29
Issue:
19
Pages:
5832-5840
Publication date:
2013-05-05
DOI:
EISSN:
1520-5827
ISSN:
0743-7463
URN:
uuid:72032354-d2c4-4068-a5af-3f1a4465dd39
Source identifiers:
399350
Local pid:
pubs:399350

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