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Thermostability of polymeric langmuir–blodgett films

Authors


  • This work profited from contributions of many collaborators. C. Böhm, Mainz, is thanked for helping with the SAXS measurements. For taking the ATR FT-IR spectra of the polyamic acid we are grateful to Dr. P. Simak, BASF AG. Thanks are also due to Dr. R. Wehrmann, BAYER Uerdingen, who contributed by synthesizing the polyurethane. The work was supported by the Bundesministerium für Forschung und Technologie (BMFT) through the project „Ultradünne Polymerschichten”.

Abstract

Communication: LB films stable against desorption up to 250°C have been produced from prepolymerized polyurethanes, polyimides and polyamic acid and studied using optical reflection, microscopy, ellipsometry, ESCA, FT-IR and small angle X-ray scattering (SAXS). Due to their stability, the materials could be used to prepare multilayer films or as matrices for dyes opening up applications in optics.

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