Homopolymers and block copolymers of p-phenylenevinylene-2, 5-diethylhexyloxy-p-phenylenevinylene and m-phenylenevinylene-2, 5diethylhexyloxy-p-phenylenevinylene by ring-opening metathesis polymerization

Chin Yang Yu, Masaki Horie, Andrew M. Spring, Kim Tremei, Michael L. Turner

    Research output: Contribution to journalArticlepeer-review

    Abstract

    p-Phenylenevinylene-2, 5-diethylhexyloxy-p-phenylenevinylene and m-phenylenevinylene-2, 5-diethylhexyloxy-p-phenylenevinylene homopolymers (3 and 4) have been prepared by the ring-opening metathesis polymerization (ROMP) of strained cyclophanedienes, initiated by the second generation Grubbs catalyst. The as-formed polymers have a backbone of alternating cis- and trans-vinylene linkages due to the opening of only one vinylene of the cyclophanediene. Irradiation with UV light results in an isomerization to an all-trans-vinylene microstructure for all polymers. The polymer chain ends remain active after complete consumption of the cyclophanediene, and block copolymers can be prepared by addition of further cyclophanediene. The optical and electronic properties of the homopolymers and block copolymers are reported. © 2009 American Chemical Society.
    Original languageEnglish
    Pages (from-to)222-232
    Number of pages10
    JournalMacromolecules
    Volume43
    Issue number1
    DOIs
    Publication statusPublished - 12 Jan 2010

    Keywords

    • Polymers Role: PEP (Physical, engineering or chemical process), PRP (Properties), SPN (Synthetic preparation), PREP (Preparation), PROC (Process) (block, diblock
    • homopolymers and block copolymers of p-phenylenevinylene-2,5-diethylhexyloxy-p-phenylenevinylene and m-phenylenevinylene-2,5-diethylhexyloxy-p-phenylenevinylene by ring-opening metathesis polymn.)
    • Polymerization (block
    • Poly(arylenealkenylenes) Role: PEP (Physical, engineering or chemical process), PRP (Properties), SPN (Synthetic preparation), PREP (Preparation), PROC (Process) (block
    • Isomerization (cis-trans, photochem.
    • Band gap
    • Cyclic voltammetry
    • Glass transition temperature
    • HOMO
    • Heat capacity
    • LUMO
    • Luminescence
    • Molecular weight
    • Oxidation potential
    • Polydispersity
    • Polymer chains
    • Reduction potential
    • Thermal stability
    • UV and visible spectra
    • UV radiation (homopolymers and block copolymers of p-phenylenevinylene-2,5-diethylhexyloxy-p-phenylenevinylene and m-phenylenevinylene-2,5-diethylhexyloxy-p-phenylenevinylene by ring-opening metathesis polymn.)
    • Poly(arylenealkenylenes) Role: PEP (Physical, engineering or chemical process), PRP (Properties), RCT (Reactant), SPN (Synthetic preparation), PREP (Preparation), PROC (Process), RACT (Reactant or reagent) (homopolymers and block copolymers of p-phenyle
    • Polymerization (metathetic, ring-opening
    • Band gap (optical
    • Casting of polymeric materials (spin
    • cyclophanediene deriv ring opening metathesis polymn photoisomerization electrochem property

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