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Ozone has high affinity for lignin and is gaining acceptance as a bleaching agent for chemical pulps. A reaction with pulp carbohydrates leading to depolymerisation is ozone’s main disadvantage. In this study, products from the reaction between ozone and the cellulose model compounds, glucose and cellobiose, were investigated by 1 HNMR- and 13 CNMR-spectroscopy. Oxidation of Cl, giving gluconic acid and it’s lactones was the favored pathway for ozonation of glucose, but glucuronic acid was also formed. The ozonation of cellobiose yielded a small amount of glucose, no other monomer products was identified, indicating that cleavage of the glycosidic bond was not the main reaction.
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Investigation of Reaction Products from the Ozonation of Cellulose Model Compounds by NMR-Spectoscop