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Nanofibrillated cellulose as paper additive in eucalyptus pulps
González Tovar, Israel; Boufi, Sami; Pèlach Serra, Maria Àngels; Alcalà Vilavella, Manel; Vilaseca Morera, Fabiola; Mutjé Pujol, Pere
In this work, the physical and mechanical properties of bleached Eucalyptus pulp reinforced with nanofibrillated cellulose (NFC) are compared with those of traditional beaten pulp used in the making of writing/printing and offset printing papers. For this purpose, three different types of hardwood slurries were prepared: beaten pulps, unbeaten pulps reinforced with NFC, and slightly beaten pulps also reinforced with NFC. Physical and mechanical tests were performed on handsheets from these different slurries. The results showed that adding NFC to unbeaten pulps results in physical and mechanical properties similar to those in pulps used for printing/writing papers. Nevertheless, the best results were obtained in slurries previously beaten at slight conditions and subsequently reinforced with NFC. These results demonstrate that the addition of NFC allows a reduction in beating intensity without decreasing the desired mechanical properties for this specific purpose
Fibres de cel·lulosa
Cellulose fibers
Pasta de paper
Wood-pulp
Materials nanoestructurats -- Propietats mecàniques
Nanostructured materials -- Mechanical properties
Tots els drets reservats
Artículo
info:eu-repo/semantics/publishedVersion
North Carolina State University
         

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