ISSN:
1435-1536
Keywords:
Fluorinated Surfactants
;
Raman Spectroscopy
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
,
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Abstract Raman spectroscopy is shown to be a useful method for structure and conformation analysis in fluorinated surfactants (perfluoro decanoic acid and its lithium, sodium and ammonium salts). The most sensitive part of the spectra in this respect is formed by the frequency changes occurring in the 1400–1700 cm−1 region and the changes in the relative intensity of some bands associated either with C-F or C-C stretching vibrations. The successive increase in the degree of disorder at transitions into liquid crystalline and micellar phases can be seen from a decrease in the 1370/1300 cm−1 intensity ratio.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01411518
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