Mesomorphic structure of neutral amphiphilic phosphotobetaines having different interionic distances: I. Ethylphosphonatobetaines

A set of ethylphosphonatobetaines having different interionic distances and two paraffinic chain lenghts is studied by X-ray diffraction. It is shown that amphiphilic ethoxyphosphobetaines behave as lyotropic liquid crystals in concentrated water solution, exhibiting lamellar mesophases. The respect...

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Bibliographic Details
Published in:Journal of colloid and interface science 1988, Vol.121 (2), p.514-521
Main Authors: Gallot, B, Germanaud, L, Le Perchec, P
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Liquid crystals
Physics
Structure of solids and liquids
crystallography
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Summary:A set of ethylphosphonatobetaines having different interionic distances and two paraffinic chain lenghts is studied by X-ray diffraction. It is shown that amphiphilic ethoxyphosphobetaines behave as lyotropic liquid crystals in concentrated water solution, exhibiting lamellar mesophases. The respective influences of water concentration, interionic distance, and lenth of paraffinic chain on the geometrical parameters of the lamellar structure are established.
ISSN:0021-9797
1095-7103
DOI:10.1016/0021-9797(88)90453-5