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Title Characterisation of thin composite films from hyperbranched polyphenylene and thermolabile hyperbranched polycarbonate
Date 23.06.2008
Number 16067
Abstract Thin composite films made from a thermally stable hyperbranched polyphenylene and a thermolabile hyperbranched polycarbonate were prepared on silicon wafers and characterised. The end groups of the polycarbonate were varied in order to accomplish an optimised interaction between the two components and thus the formation of homogeneous blends. The composite films were annealed at 200 °C in order to decompose the hyperbranched polycarbonate which can act as a porogen. The composition of the films before and after the annealing process was investigated applying IR spectroscopy and spectroscopic ellipsometry. Analysis of the data allowed calculating the volume fractions of the two materials within the films.
Publisher Macromolecular Chemistry and Physics
Identifier
Citation Macromolecular Chemistry and Physics 29 (2008) 10 pages
DOI https://doi.org/10.1002/macp.200800170
Authors Stumpe, K. ; Eichhorn, K.-J. ; Voit, B.
Tags hyperbranched nanocomposite polycarbonate polyphenylene thin film diels-alder cycloaddition nanoporous polyimides polymers dendrimers porogens monomers agents

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