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Preparation and adhesion of ultrathin polyimide films on polycrystalline silver

MPG-Autoren
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Grunze,  M.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

Externe Ressourcen

https://www.sciencedirect.com/science/article/pii/0009261487870689/pdf?md5=8a4d7be538a4014a6d01f19bb591dac1&pid=1-s2.0-0009261487870689-main.pdf
(beliebiger Volltext)

https://doi.org/10.1016/0009-2614(87)87068-9
(beliebiger Volltext)

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Zitation

Grunze, M., & Lamb, R. (1987). Preparation and adhesion of ultrathin polyimide films on polycrystalline silver. Chemical Physics Letters, 133(4), 283-287. doi:10.1016/0009-2614(87)87068-9.


Zitierlink: https://hdl.handle.net/21.11116/0000-0001-8730-0
Zusammenfassung
4.4-oxydianiline (ODA) and 1,2,3,5-benzenetetracarboxylic anhydride (PMDA) were deposited from the vapor phase onto a polycrystalline silver substrate and polymerization of the two components to form ultrathin polyimide films (d≈ 11 Å) was followed by X-ray photoelectron spectroscopy. Both PMDA and ODA chemisorb on the clean surface under partial fragmentation. Co-deposition of ODA and PMDA followed by heating of the substrate led to formation of thermally stable (T<450°C) polyimide films. Our data indicate that adhesion of the polyimide film to the surface involves chemical bonding to fragmented PMDA and/or ODA chemisorbed on the substrate. Our experiments show that polyimide films can be prepared sufficiently thin to allow the application of surface sensitive techniques to probe the substrate-polymer interface and to study the basic physics and chemistry of adhesion.