Abstract
IT is well known that cellulose fabrics dyed with certain vat dyes disintegrate on exposure to light1. The experimental evidence suggests that a photosensitized oxidation of the cellulose is responsible. It is known that dyes do, in fact, photosensitize a number of reactions2 ; but no systematic survey of the field has been attempted, and the factors which determine the relative efficiencies of different dyes are not known. In a preliminary study of photosensitization, we have found that such dyes can initiate the autoxidation of tetralin, and the polymerization of styrene.
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References
For recent summary, see Turner, J. Soc. Dyers and Col., 63, 372 (1947).
Rabinowitch, "Photosynthesis" (New York, 1945).
Boulton, private communication. Egerton, J. Soc. Dyers and Col., 63, 161 (1947). Haller and Wyszewianski . Melliand Textilber., 17, 217, 325 (1936).
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BAMFORD, C., DEWAR, M. Photosensitization by Vat Dyes. Nature 163, 214 (1949). https://doi.org/10.1038/163214a0
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DOI: https://doi.org/10.1038/163214a0
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