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Disintegration of granules made from pure nonionic surfactants and surfactant mixtures
Author(s) -
Bai Jinhua,
Miller Clarence A.,
Wilson John E.
Publication year - 2003
Publication title -
journal of surfactants and detergents
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.349
H-Index - 48
eISSN - 1558-9293
pISSN - 1097-3958
DOI - 10.1007/s11743-003-0242-9
Subject(s) - pulmonary surfactant , chemistry , nonionic surfactant , dissolution , drop (telecommunication) , cloud point , phase (matter) , chemical engineering , aqueous solution , chromatography , organic chemistry , telecommunications , computer science , engineering , biochemistry
Dissolution in water of pure liquid nonionic surfactants and some of their mixtures was studied in previous research in this laboratory. In the work described here, a hanging drop slide was used to study disintegration behavior in water of corresponding granules consisting of many zeolite particles bound together with a liquid nonionic surfactant. Granules disintegrated below the cloud point of the nonionic surfactant or mixture. Few differences in disintegration time were seen for various systems. However, disintegration did not occur when the neat surfactant developed viscous myelinic figures upon contact with water. Nor was it observed when a dilute aqueous phase coexisted with a surfactant‐rich L 1 phase or L 3 (sponge) phase at equilibrium.