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Hydrolysis of sucrose using sulfonated poly(vinyl alcohol) as catalyst
Authors:DS Pito  IM Fonseca  AM Ramos  J Vital  JE Castanheiro
Institution:1. Centro de Química de Évora, Departamento de Química, Universidade de Évora, 7000 671 Évora, Portugal;2. REQUIMTE, CQFB, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829 516 Caparica, Portugal
Abstract:The hydrolysis of sucrose was carried out over poly(vinyl alcohol) (PVA) with sulfonic acid groups, at 80 °C. The products of sucrose hydrolysis were glucose and fructose. A series of PVA with different crosslinking degree were prepared. It was observed that the catalytic activity of PVA matrix increases with the crosslinking degree, due to the increases of the amount of sulfonic acid groups on PVA.
Keywords:Sucrose  Hydrolysis  Sulfonic acid groups  PVA
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