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Bent-core based main-chain polymers showing the dark conglomerate liquid crystal phase

AuthorsGimeno, Nélida; Ros, M. Blanca
Issue Date2011
PublisherAmerican Chemical Society
CitationMacromolecules 44(24): 9586-9594 (2011)
AbstractWe report the synthesis and characterization of main-chain liquid-crystalline polymers via the hydrosilylation polyaddition of a divinyl terminated bent-core mesogenic monomer and tetramethyldisiloxane. Interestingly, these bent-core main-chain polymers form the “dark conglomerate” mesosphase (DC) in broad ranges of temperature. This unique chiral isotropic fluid phase induced from achiral molecules vitrifies keeping at room temperature the chiral domains characteristics of this mesophase. Furthermore, while electric fields switch the bent-core moieties at the molecular level, strong electric fields are able to change the lamellar structure of the DC to a conventional SmCP phase.
Identifiersdoi: 10.1021/ma202109z
issn: 0024-9297
e-issn: 1520-5835
Appears in Collections:(ICMA) Artículos
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