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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2011, 3, 54—61.

Binary Liquid Crystalline Systems Composed of Poly(Propylene Imine) Dendrimer and p-n-Pentyloxy-p'-Cyanobiphenyl I. Phase Equilibria and Sorption Properties

S. V. Blokhina1, M. V.Ol'khovich1, A. V. Sharapova1, N. V. Usoltseva2

Author affiliations
1Institute of Solution Chemistry, Russian Academy of Sciences
153045 Ivanovo, Akademicheskaya Str., 1. 
2Ivanovo State University, Nanomaterials Research Institute
153025 Ivanovo, Ermak Str., 39. 

A binary system composed of the liquid crystalline poly(propylene imine) dendrimer and nematic p-n-pentyloxy-p'-cyanobiphenyl has been studied by thermomicroscopy, differen-tial scanning calorimetry and inverse gas chromatography. In this system, there is the colum-nar phase being stable within broad ranges of temperature and component ratio. Depend-ences of the retention volumes of the solutes on composition of the sorbents are found to exhibit the maximum at 10 mas. % p-n-pentyloxy-p'-cyanobiphenyl.

Keywords: liquid crystals, dendrimer, p-n-pentyloxy-p'-cyanobiphenyl, phase diagram, differential scanning calorimetry, retention diagram

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