Synthesis and thermotropic behavior of side chain polysiloxane bearing triphenylene moiety

T. Makowski, T. Ganicz, W. Zajaczkowski, W. Pisula, W. A. Stanczyk, A. Tracz
2015 eXPRESS Polymer Letters  
Side chain discotic polysiloxane with 2,3,6,7-tetrakis(hexyloxy)-10-methoxytriphenylene-11-undecanoate moieties is synthesized by hydrosilylation reaction. The phase behavior and thermooptical properties of the polysiloxane and the side chain precursor 2,3,6,7-tetrakis(hexyloxy)-10-methoxytriphenylene-11-undecanoate are examined by polarizing optical microscopy, thermooptical analysis, differential scanning calorimetry and wide angle X-ray scattering studies. A columnar planar alignment of LC
more » ... the layers has been determined. The pronounced alignment makes this polymer a promising material for application in optoelectronic devices. The differences in phase transitions and morphology between the triphenylene precursor and the discotic polysiloxane are discussed.
doi:10.3144/expresspolymlett.2015.59 fatcat:mevxrsdzybfergdjee46mbm5yu