Thermal cisβtrans isomerization of 4-die
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Ernestina Dubini-Paglia; Antonella Castelli; Pier Luigi Beltrame; Alberto Seves;
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Article
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1995
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John Wiley and Sons
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English
β 522 KB
The aging of bacterial polyester poly(~(-)3-hydroxybutyrate) has been studied by coloring it with 4-diethylamino-4'-methoxyazobenzene and determining the reduction in isomerization rate of the dye with aging, such a reduction being a measure of the loss in polymer sequential mobility that is respons