Role of The Molecular Structure in The Photodecomposition of Polymers

Tipo de material: Texto

TextoSeries ; Journal of PhotoPolymer Science and Technology, 6(1), p.115-122, 1993Trabajos contenidos:

Ikada, E

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Resumen: The relationship between the decomposition behaviors of the photodegradable polyesters such as polyethylene terephthalate and polyacetic acid and their molecular structures were studied to explain photodegradability of the polyesters. In the Norrish-type photodecomposition, the rate of mainchain scission of a polyester depends on its monomer structure. The UV absorption wave lengthes of the carbonyl group in each polyester are considered as playing an important role in the photodecomposition of the polyesthers

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The relationship between the decomposition behaviors of the photodegradable polyesters such as polyethylene terephthalate and polyacetic acid and their molecular structures were studied to explain photodegradability of the polyesters. In the Norrish-type photodecomposition, the rate of mainchain scission of a polyester depends on its monomer structure. The UV absorption wave lengthes of the carbonyl group in each polyester are considered as playing an important role in the photodecomposition of the polyesthers

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