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Influence of Photosensitive Group Concentration on Birefringence Induced in Benzaldehyde Polymers

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Journal of Applied Spectroscopy Aims and scope

Induction of optical anisotropy in benzaldehyde polymer layers by linearly polarized UV radiation was investigated experimentally. Negative dichroism in absorption spectra and strong negative birefringence (–2 · 10–3) were related to the presence of an oriented ensemble of residual benzaldehyde groups. The thermal stability of photoinduced birefringence at high photosensitive group concentration was associated with a high density of photocross-links formed between macromolecules.

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Authors and Affiliations

  1. Belarusian State University, 4 Nezavisimost′ Ave., Minsk, 220030, Belarus

    U. V. Mahilny, A. I. Stankevich & A. V. Trofimova

Authors
  1. U. V. Mahilny
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  2. A. I. Stankevich
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  3. A. V. Trofimova
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Correspondence to U. V. Mahilny.

Additional information

Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 80, No. 6, pp. 834–838, November–December, 2013.

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Mahilny, U.V., Stankevich, A.I. & Trofimova, A.V. Influence of Photosensitive Group Concentration on Birefringence Induced in Benzaldehyde Polymers. J Appl Spectrosc 80, 824–828 (2014). https://doi.org/10.1007/s10812-014-9850-8

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  • DOI: https://doi.org/10.1007/s10812-014-9850-8

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