Cellulose Nanofibers modified with alkyl ketene dimer for oil absorbent aerogels

Nanofibrillated cellulose consists of interconnected cellulose nanofibers, isolated from wood or agricultural byproducts, which leads to a three dimensional, porous and flexible structure. In this sense, the present work aims to develop hydrophobic aerogels for oil absorbing. Different percentages o...

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Published in:Cellulose chemistry and technology 2016
Main Authors: Delgado Aguilar, Marc, González Tovar, Israel, Jiménez, A. María, Tarrés Farrés, Quim, Quintana, Germán, Mutjé Pujol, Pere
Format: Article
Language:English
Subjects:
Aerogels
Cellulose fibers
Fibres de cel·lulosa
Nanofibers
Nanofibres
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container_title Cellulose chemistry and technology
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creator Delgado Aguilar, Marc
González Tovar, Israel
Jiménez, A. María
Tarrés Farrés, Quim
Quintana, Germán
Mutjé Pujol, Pere
description Nanofibrillated cellulose consists of interconnected cellulose nanofibers, isolated from wood or agricultural byproducts, which leads to a three dimensional, porous and flexible structure. In this sense, the present work aims to develop hydrophobic aerogels for oil absorbing. Different percentages of alkyl ketene dimer (AKD) were added to the cellulose nanofiber (CNF) gel in order to partially hydrophobize the surface thereof. After mechanical stirring in an Ultraturrax and two cycles of sonication at 80 watts for 2 minutes, the CNF gel was poured into aluminum dishes and frozen at - 80ºC for two hours. Then, the samples were freeze-dried for 48 hours. Water and oil absorption capacity was determined both under static and dynamic conditions in an oil-water mixture
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subjects Aerogels
Cellulose fibers
Fibres de cel·lulosa
Nanofibers
Nanofibres
title Cellulose Nanofibers modified with alkyl ketene dimer for oil absorbent aerogels
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