Photomechanical Effects in Photochromic Systems

  • Georges J. Smets
Part of the NATO Advanced Science Institutes Series book series (NSSA, volume 68)


The general problem to be considered in the present paper concerns the possibility of inducing reversible photomechanical effects in a photochromic polymer on account of conformational changes of chromophores and neighbouring segments. The photochemical reactions used in these experiments are based upon the reversible trans-cis isomerization of aromatic azo-compounds (1) and of stilbene derivatives (2) Particularly suitable is the ring opening/closure reaction followed by cis-trans isomerization of spirobenzopyran derivatives.


Polymethacrylic Acid Ethyl Acrylate Ethylene Glycol Dimethacrylate Polymer Monolayer Photochromic System 
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Copyright information

© Springer Science+Business Media New York 1983

Authors and Affiliations

  • Georges J. Smets
    • 1
  1. 1.Laboratory for Macromolecular and Organic ChemistryK. Univ. LeuvenLeuvenBelgium

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