Synthesis and characterization of liquid crystalline side-chain block copolymers containing luminescent 4,4′-bis(biphenyl)fluorene pendants

Kuan Wei Lee, Hong-Cheu Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A series of new liquid crystalline homopolymers, copolymers, and block copolymers were polymerized from styrene-macroinitiator (SMi) and methacrylates with pendent 4,4′-bis(biphenyl)fluorene (M1) and biphenyl-4-ylfiuorene (M2) groups through atom transfer radical polymerization (ATRP). The number-average molecular weights (Mn) of polymers P1-P4 were 10,007, 14,852, 6,275, and 10,463 g mol-1 with polydispersity indices values of 1.21, 1.15, 1.31, and 1.22, respectively. All polymers exhibit the nematic phase. The thermal, mesogenic, and photoluminescent properties of all polymers were investigated.

Original languageEnglish
Pages (from-to)4564-4572
Number of pages9
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume45
Issue number20
DOIs
StatePublished - 15 Oct 2007

Keywords

  • Atom transfer radical polymerization
  • Block copolymers
  • Liquid crystalline polymer
  • Photoluminescence

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