Macromolecular Rapid Communications · 1998 · 57 citations · 0 references
Natural SciencesChemistryOrganic ChemistryPolymer ChemistryPolymer MaterialsCircular Dichroism SpectroscopyOptical PolymersPolymer CharacterizationPolymer PhysicsPolymer StructurePolymerization ChemistryChiral Analysis By SpectroscopyChiral Optical PolymersChiral OpticsSolubility
We have investigated the chiroptical properties of novel PPEs containing chiral side chains. The synthesis of poly(2,5-bis[2-(S)-methylbutoxy]-1,4-phenyleneethynylene) (BMB-PPE) was achieved in a Heck-type aryl-aryl cross coupling (Mn = 10 000, Dp = 40). The very good solubility of BMB-PPE allows for a detailed study of its chiroptical properties. Our studies demonstrate that the bisignated CD spectra of BMB-PPE are associated with an intermolecular aggregation phenomena.