Spinal columnar liquid crystals based on octasubstituted phthalocyanine siloxane derivatives

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Abstract
Dihydroxysilicon(IV) octakis(dodecyloxymethyl)phthalocyanine forms columnar liquid crystal at temperatures ranging from –7 °C to more than 300 °C; polycondensation occurs in the mesophase to yield a series of polysiloxanes which lead to a lamellar liquid crystalline phase.