volume 9, issue 11, P3263-3299 1971
DOI: 10.1002/pol.1971.150091115
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Abstract: Division, Spring$eld, Massachusetts 011 01 synopsisA number of phenyl polyesters have been synthesized to furnish molecules whose backbones rearrange under ultraviolet irradiation to an o-hydroxybenzophenone structure.This photochemical Fries rearrangement produces ultraviolet opacity in the irradiated film while maintainiig visual transparency. Thin coatings of these polyesters completely protect substrates ordinarily sensitive to ultraviolet light. Spectroscopic analysis of various rearranged films and coat…

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