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On the Influence of Intersurfactant H-Bonds on Foam Stability: A Study with Technical Grade Surfactants
KTH. Stuttgart Univ, Stuttgart, Germany; Univ Cologne, Cologne, Germany; Univ Coll Dublin, Dublin, Ireland; Fac Chem, Stockholm, Sweden.
2018 (English)In: Tenside Surfactants Detergents, ISSN 0932-3414, E-ISSN 2195-8564, Vol. 55, no 1, p. 6-16Article in journal (Refereed) Published
Abstract [en]

From the literature on the foam stability of various surfactants with C-12 alkyl chains but different head groups a clear picture emerges: Foams are more stable when hydrogen bonds can form between the head groups, i.e. when the polar head group has a hydrogen bond donor and a proton acceptor. These observations suggest that hydrogen bonds between neighbouring molecules at the surface enhance foam stability. To support this hypothesis, we carried out a systematic foaming study of two types of technical grade surfactants, one of them being capable of forming H-bonds and the other one not. As was the case for the pure surfactants we found again that more stable foams are formed when the head group is capable of forming intersurfactant H-bonds: These results will certainly affect the future design of surfactants.

Place, publisher, year, edition, pages
CARL HANSER VERLAG , 2018. Vol. 55, no 1, p. 6-16
Keyword [en]
Intersurfactant H-bonds, foam stability, alkylpolyglycosides, alkylsulfates
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-223808DOI: 10.3139/113.110537ISI: 000425169000002Scopus ID: 2-s2.0-85041179701OAI: oai:DiVA.org:kth-223808DiVA, id: diva2:1188217
Note

QC 20180307

Available from: 2018-03-07 Created: 2018-03-07 Last updated: 2018-03-07Bibliographically approved

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