POROUS CELLULOSIC MATERIALS AND PROCESS FOR THEIR PREPARATION

The invention relates to a process for preparing a cellulosic sponge comprising treating an aqueous suspension of cellulose fibers with periodate; adjusting the pH of the resulting dialdehyde cellulose fibers suspension to 2.5 to 5.5; freezing the suspension obtained and thawing the three dimensiona...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TEJADO ETAYO, Álvaro, SVENSSON, Ingemar, HIDALGO BETANZOS, Jokin, SALVADOR POLO, Alejandro, AZPEITIA LAKUNTZA, Maider
Format: Patent
Sprache:eng ; fre ; ger
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