INTRAMOLECULAR CHARGE-TRANSFER COMPLEXES .29. MORPHOLOGICAL-STUDY OF MULTICOMPONENT SYSTEMS

The morphologies formed in -carbazolyl)ethylacrylate-co-beta-(metacryl oyloxy) ethyl-3,5-dinitrobenzoate] [poly(HECA-co-DNBM)] and in its tri block copolymer with poly(N-acetyliminoethylene) (pMeOZO) were investi gated using transmission electron microscopy and differential scanning calorimetry (DSC) techniques. It was found that a lamellar structure was induced in the block copolymer even at a low content (less than or equal to 5%) of poly(N-acetyliminoethylene) as a consequence of the s pecific, dense, layered texture of the poly(HECA-co-DNBM) blocks, havi ng an electron donor-acceptor complex character. The incorporation of poly(N-acetyliminoethylene) resulted in film quality improvement. The addition of small amounts of the block copolymer to the incompatible m ixture of poly(HECA-co-DNBM) and pMeOZO having an appropriate composit ion leads to homogeneous blends able to form continuous films.