Abstract
AbstractRates of photochemical reactions of polymers containing pendant cinnamic ester moieties and photosensitizing 4‐nitrophenoxy or 4‐nitro‐1‐naphthyloxy groups were determined in dilute benzene and tetrahydrofuran solutions. The rate of photodimerization of the polymers obeys first order kinetics in diluted solution and is affected by the type and content of pendant photosensitizing groups and by the structure of the polymer skeleton. By comparison of the rate of photodimerization of three homopolymers and six copolymers, it could be concluded that the polymers consisting of flexible segments have a higher rate of photodimerization than those made of rigid segments.
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