Homogeneous isolation of nanocelluloses by controlling the shearing force and pressure in microenvironment

Li,J, Wang,Y, Wei,X, Wang,F, Han,D, Wang,Q and Kong,L 2014, Homogeneous isolation of nanocelluloses by controlling the shearing force and pressure in microenvironment, Carbohydrate polymers, vol. 113, pp. 388-393, doi: 10.1016/j.carbpol.2014.06.085.

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Title Homogeneous isolation of nanocelluloses by controlling the shearing force and pressure in microenvironment
Author(s) Li,J
Kong,LORCID iD for Kong,L orcid.org/0000-0001-6219-3897
Journal name Carbohydrate polymers
Volume number 113
Start page 388
End page 393
Publisher Elsevier
Place of publication London, England
Publication date 2014-11-26
ISSN 1879-1344
Keyword(s) 1-Butyl-3-methylimidazolium chloride (PubChem CID: 2734161)
1-Chlorobutane (PubChem CID: 8005)
1-Methylimidazole (PubChem CID: 1390)
Dynamic high pressure microfluidization
High pressure homogenization
Homogeneous isolation
Lithium chloride (PubChem CID: 433294)
Methanol (PubChem CID: 887)
N, N-dimethylacetamide (PubChem CID: 31374)
Nitric acid (PubChem CID: 944)
Potassium bromide (PubChem CID: 253877)
Sodium hydroxide (PubChem CID: 14798)
Sulfuric acid (PubChem CID: 1118)
Summary Nanocelluloses were prepared from sugarcane bagasse celluloses by dynamic high pressure microfluidization (DHPM), aiming at achieving a homogeneous isolation through the controlling of shearing force and pressure within a microenvironment. In the DHPM process, the homogeneous cellulose solution passed through chambers at a higher pressure in fewer cycles, compared with the high pressure homogenization (HPH) process. X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) demonstrated that entangled network structures of celluloses were well dispersed in the microenvironment, which provided proper shearing forces and pressure to fracture the hydrogen bonds. Gel permeation chromatography (GPC), CP/MAS 13C NMR and Fourier transform infrared spectroscopy (FT-IR) measurements suggested that intra-molecular hydrogen bonds were maintained. These nanocelluloses of smaller particle size, good dispersion and lower thermal stability will have great potential to be applied in electronics devices, electrochemistry, medicine, and package and printing industry. © 2014 Elsevier Ltd.
Language eng
DOI 10.1016/j.carbpol.2014.06.085
Field of Research 090802 Food Engineering
Socio Economic Objective 860604 Organic Industrial Chemicals (excl. Resins
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070352

Document type: Journal Article
Collections: Institute for Frontier Materials
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