Well-defined side-chain liquid-crystalline polysiloxanes

Research output: Contribution to journalArticleAcademicpeer-review

16 Citations (Scopus)
78 Downloads (Pure)

Abstract

A route to well-defined side-chain liquid-crystalline polysiloxanes (ratio of weight-to number-average molar masses Mw/Mn < 1.2 is reported. Anionic ring-opening polymerization of pentamethylvinylcyclotrisiloxane yielded a poly(dimethylsiloxane-co-methylvinylsiloxane) backbone. A flexible disiloxane spacer was used to connect 4-(ω-alkenyloxy)-4'-cyanobiphenyl mesogenic molecules to the vinyl groups which belong to the backbone, leading to a side-chain liquid-crystalline polysiloxane (SCLCP) which has its mesogens distributed regularly along the main chain. Preliminary measurements indicate an electro-optic switching time s = 1 min at 20°C and 7 s at 32°C (dc, 5 V/µm)).
Original languageUndefined
Pages (from-to)299-303
JournalMacromolecular rapid communications
Volume17
Issue number5
DOIs
Publication statusPublished - 1996

Keywords

  • IR-71254
  • METIS-105777

Cite this