Pol 4 2 Sfuranylene vinylene), PFV) is prepared by thermal treatment of films cast from THgor CHCI, solutions of a me I hoxy precursor polymer. The sequence of reactions is described gtartin from 2,5-dimethylfuran. The new methoxy precursor is characterised by its IR and C-NhR spectra, while GPC (polystyrene calibration) gives M = 4300, M, = 1180Y), degree of polymerisation, n = 35, degree of polydispersion, dp = 2.8. UV spectra suqgest isolated furan units, in accordance with the proposedptruFture. Some premature elimination is also observed. Maximum conductivity p = 20 R' cm-is reached after doping the PFV film for 4 min in iodine vapour.
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