Journal
ACS MACRO LETTERS
Volume 1, Issue 1, Pages 236-240Publisher
AMER CHEMICAL SOC
DOI: 10.1021/mz2001737
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The rheological properties of a dispersion of;. cellulose, nanocrystals (CNCs) in an aqueous solution of polyoxyethylene (PEO) have been investigated. A peculiar behavior is reported. Upon adding CNC, the viscosity of the first decreases and then increases. Adsorption, of, PEO chains on the surface of the nanoparticles has been suspected. Freeze-drying of this PEO-adsorbed CNC dispersion was performed, and the ensuing lyophilizate was extruded with low density polyethylene. Compared to neat CNC-based nanocomposites, both improved dispersibility and thermal stability were observed This simple and physical method constitutes an approach of choice for the melt processing of CNC-based nanocomposites with a hydrophobic polymeric matrix applicable at the industrial scale.
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