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Soft Matter. 2017 Nov 22;13(45):8451-8462. doi: 10.1039/c7sm00685c.

New insights into the flow and microstructural relaxation behavior of biphasic cellulose nanocrystal dispersions from RheoSANS.

Soft matter

Alexander D Haywood, Katie M Weigandt, Partha Saha, Matthew Noor, Micah J Green, Virginia A Davis

Affiliations

  1. Department of Chemical Engineering, Auburn University, Auburn, Alabama 36849, USA. [email protected].

PMID: 29087424 DOI: 10.1039/c7sm00685c

Abstract

Cellulose nanocrystals (CNC) have been studied as nanostructured building blocks for functional materials and function as a model nanomaterial mesogen for cholesteric (chiral nematic) liquid crystalline phases. In this study, both rheology and small angle neutron scattering (RheoSANS) were used to measure changes in flow-oriented order parameter and viscosity as a function of shear rate for isotropic, biphasic, liquid crystalline, and gel dispersions of CNC in deuterium oxide (D

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