Préparation et Étude de Complexes à Transfert de Charge Macromoléculaires avec le Poly‐p‐N,N‐Diméthylaininostyrène

Abstract

AbstractPreparation of macromolecular charge transfer complexes with several micromolecular acceptors—mainly halogenated quinones—and the individual monomer units of poly‐p‐dimethylaminostyrene, which exhibits electron donating properties, is described in this paper. The reaction is carried out in solvents, and its rate depends mainly upon temperature. The obtained complexes can be isolated easily. The amount of acceptor which is linked to the donor chain depends upon the experimental conditions used and is related to the nature of the acceptor. Reference experiments were carried out with dimethylcumidine, a model molecule, and with statistical copolymers of styrene and dimethylaminostyrene. Changes of the absorption spectra during the CTC formation can be explained in terms of interaction between neighboring donor monomer units by means of the coupled acceptor molecules. The electrical conductivity of these macro‐molecular CTC's has been measured. But when the acceptor is a quinone, the obtained values of the conductivity do not differ much from those of the separate constituents of the CTC.