Cellulose https://doi.org/10.1007/s10570-018-1867-3 ORIGINAL PAPER Development of hydrophobic nanocellulose-based aerogel via chemical vapor deposition for oil separation for water treatment . . . Fatemeh Raﬁeian Maleksadat Hosseini Mehdi Jonoobi Qingliang Yu Received: 11 February 2018 / Accepted: 22 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract In this study, low density and high porosity successful self assembling of CNF was also evidenced aerogels were produced through freeze drying of by the scanning electron microscopy images. All of cellulose nanoﬁber (CNF) dispersions with 0.6, 0.9 the modiﬁed aerogels, regardless of the initial CNF and 1.2 wt% concentration and modiﬁed via chemical concentration, had contact angle values greater than vapor deposition (CVD) of hexadecyltrimethoxylan 90 and were classiﬁed as hydrophobic materials. The (HDTMS) to absorb and remove oil and organic 0.6% sample revealed the highest adsorption capac- -1 pollutants from the water. Aergels were evaluated by ities of 78.8 and 162.4 g g for motor and cooking density and porosity measurement, BET analysis, oils, respectively and the 1.2% aerogel exhibited the scanning electron microscopy, contact angle, oil maximum values of stress and Young’s modulus in absorption capacity and mechanical tests. The densi- compression test. The results of this
Cellulose – Springer Journals
Published: May 31, 2018
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