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Thermal behavior of dodecylpyridinium based surfactant salts with varied anionic constituent

Mihelj, Tea; Tomašić, Vlasta (2014) Thermal behavior of dodecylpyridinium based surfactant salts with varied anionic constituent. Journal of Dispersion Science and Technology, 35 (4). pp. 581-592. ISSN 0193-2691

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Three novel dodecylpyridinium based catanionic compounds were synthesized. Combination of techniques was used to examine their thermal properties ; differential scanning calorimetry powder X-ray diffraction and polarizing microscopy. Briefly, the absence of mesomorphic properties and the formation of zig-zag blade textures were obtained in dodecylpyridinium picrate, thermotropic mesomorphism and polymorphism in dodecylpyridinium dodecylbenzenesulfonate, and melting accompanied with degradation in combination with cholate. The anionic part of the molecule promotes behavior of novel compounds, resulting in different packing and thermal properties of catanionics in their solid state.

Item Type: Article
Uncontrolled Keywords: dodecylpyridinium; thermotropic behavior; smectic; anionic surfactant; calorimetry
Subjects: NATURAL SCIENCES > Chemistry
NATURAL SCIENCES > Chemistry > Physical Chemistry
Divisions: Division of Physical Chemistry
Project titleProject leaderProject codeProject type
Surfactants, processes in solutions and at interfaces (Površinski aktivne tvari, procesi u otopinama i na međupovršinama)-Maja Dutour Sikirić098-0982915-2949MZOS
Depositing User: Tea Mihelj
Date Deposited: 01 Dec 2015 15:24
DOI: 10.1080/01932691.2013.811683

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