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http://dx.doi.org/10.5658/WOOD.2017.45.3.288

Spray Drying of Lignocellulose Nanofibril (LCNF) and Characterization of Spray-dried LCNF  

Park, Chan-Woo (Department of Forest Biomaterials Engineering, Kangwon National University)
Han, Song-Yi (Department of Forest Biomaterials Engineering, Kangwon National University)
Lee, Seung-Hwan (Department of Forest Biomaterials Engineering, Kangwon National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.45, no.3, 2017 , pp. 288-296 More about this Journal
Abstract
In this study, the effect of spray-drying conditions and surfactant addition on the spray-drying yield, morphological characterization, size distribution and re-dispersity in water of spray-dried lignocellulose nanofibril (LCNF) were investigated. The freeze-dried LCNF after solvent exchange had linear fiber morphology with a diameter of 70-300 nm, and the spray-dried LCNF showed rod-like particle morphology. The spray-drying yield and particle size of spary-dried LCNF at $140^{\circ}C$ was highest and smallest, respectively. As LCNF concentration and blowing rate decreased and increased, respectively, the spray-drying yield and particle size were increased. The highest spray-drying yield was found at distearyl dimethyl ammonium chloride (DDAC) addition of 10 phr at $140^{\circ}C$. As the particle size decreased and the DDAC content increased, filtration time of spray-dried LCNF in water was decreased and increased, respectively.
Keywords
lignocellulose nanofibril; spray-drying; freeze-drying; surfactant; particle size;
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Times Cited By KSCI : 1  (Citation Analysis)
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