Langmuir films from semi-amphiphilic sequence-controlled heterocyclic copolymers

A. Dhanabalan, P.M.S. Ferreira, A.M.M.V. Barros-Timmons, J.L.J. Dongen, van, P. Dynarowicz-Latka, R.A.J. Janssen

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

In continuation of studies on Langmuir films of functional heterocyclic copolymers, the authors report the Langmuir film characteristics of new conjugated (ABAC)n and (ABAA)n copolymers, as inferred through surface pressure-area isotherms and Brewster angle microscopy. These processible copolymers consist of a N-dodecyl-2,5-bis(2-thienyl)pyrrole trimer in alternation with a phenylene, dioctyloxyphenylene, or thienylene unit. Their synthesis was performed using the Stille coupling reaction and the copolymers were fully characterized before studying the Langmuir film-forming characteristics. In comparison to homopolymers such as poly(3-alkylthiophene)s and poly(N-alkylpyrrole)s, these copolymers formed reasonably stable Langmuir films with high collapse pressures at the air-H2O interface
Original languageEnglish
Pages (from-to)313-321
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume198-200
DOIs
Publication statusPublished - 2002

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