Photosensitive mesoionic main-chain polymers: Synthesis and anisotropic changes 
of the refractive index on irradiation of spin-coated films

Theis, A.; Ritter, H.; Böhme, F.; Klinger, C.; Mittler, Silvia; Menges, B.

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Photosensitive mesoionic main-chain polymers: Synthesis and anisotropic changes of the refractive index on irradiation of spin-coated films

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Mittler, Silvia
MPI for Polymer Research, Max Planck Society;

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Menges, B.
MPI for Polymer Research, Max Planck Society;

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Citation

Theis, A., Ritter, H., Böhme, F., Klinger, C., Mittler, S., & Menges, B. (2002). Photosensitive mesoionic main-chain polymers: Synthesis and anisotropic changes of the refractive index on irradiation of spin-coated films. Chemistry of Materials, 14(5), 2109-2112.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-660B-2

Abstract

A polymeric amidine prepared by melt condensation was converted to a photosensitive polymesoion by a polymer analogous condensation reaction with methylmalonic acid. The polymeric mesoion was characterized by NMR, IR, and UV spectroscopies; SEC; and DSC. For investigation of optical properties, spin- coated films were prepared and analyzed by waveguide spectroscopy. It was found that the refractive index shows anisotropic changes and that the film thickness was reduced upon irradiation as a result of conversion to a polybis(beta- lactame) structure.