Novel Poly(etherimide)s with Attached NLO Moieties. I. Synthesis and Characterization

• Autorzy: Schab-Balcerzak E.
• Języki publikacji: EN

Abstrakty

EN

Two types of novel poly(etherimide)s with attached photoresponsive azobenzene chromophores are presented. The polymers differing in the kind of linkage between the azobenzene units with the polymer chain, i.e. rigid and flexible, and in substituents on the chromophore moieties. The poly(etherimide)s with the rigidly incorporated the chromophores were synthesized from 4,4'-(4,4'-isopropylidenediphenoxy)bis(phthalic anhydride) and 2,4-diamino-4'-cyanoazobenzne and 2,4-diamino-4'-methylazobenzene. The polymers with the azobenzene chromophores, linked to the polymer backbone via long aliphatic spacers, were prepared from hydroxylpoly(etherimide) by the covalent bonding of new synthesized chromophores with the polymer backbone via the Mitsunobu reaction. The degree of functionalization of the poly(etherimide)s was estimated by UV-Vis and 1H NMR spectroscopies. The NLO polymers exhibited high glass transition temperatures (150-214 graduate C) and high thermal stability with decomposition temperatures in the range of 370-446 graduate C. The resulting polymers possessed good solubilities in common organic solvents. A dichroism up to 0.19 was induced in a chosen new synthesized poly(etherimide) (PEI 3).

Słowa kluczowe

EN

polyimides; non linear optical polymers; azobenzene chromophores; optical dichroism

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2008
• Tom: Vol. 82, nr 12
• Strony: 2293--2308
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Schab-Balcerzak E.

• Centre of Polymers and Carbon Materials, Polish Academy of Sciences, 34 M. Curie-Skłodowska Str., 41-819 Zabrze, Poland,

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