Faraday communications. Transient optical dichroism in a photochromic polymer glass and its relationship to molecular reorientation
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions
- Vol. 86 (6) , 1013-1014
- https://doi.org/10.1039/ft9908601013
Abstract
(E)-α-2,5-Dimethyl-3-furylethylidene(isopropylidene)succinic anhydride (I) was converted into a coloured polychrome (II) by exposure to UV light. Transient optical dichroism data have been obtained for II in poly(methyl methacrylate) at 50 °C that are consistent with the relaxation of I∥(t) and I⊥(t) that occurs via molecular motions of the photochromic molecules.Keywords
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