Summary
Association numbers and absorption spectra of alkylpyridinium halides were measured in nonaqueous solvents. The association behaviors depended on alkyl chain length of the surfactant, its counterion, the concentration, temperature, and the polarity of solvent. Alkylpyridinium bromides were found to associate even below the critical solubility temperature (CST).
Zusammenfassung
Es wurden Assoziationszahlen und Absorptionspektra von Alkylpyridiniumhaliden in den nichtwasserigen Lösungsmitteln untersucht. Die Assoziationstendenz wird von dem Alkylrest des Tensides, dem Gegenion, dem Lösungsmittel und der Temperatur beeinflußt. Alkylpyridiniumbromide assoziieren sogar unter der kritischen Lösungstemperatur.
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Miyagishi, S., Nishida, M., Okano, M. et al. Association of alkylpyridinium halides in nonaqueous solvents. Colloid & Polymer Sci 255, 585–588 (1977). https://doi.org/10.1007/BF01549745
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DOI: https://doi.org/10.1007/BF01549745