Gel point in CNC dispersion from FT Rheology
Paper i proceeding, 2019

A non-linear analysis via Fourier-Transform Rheology (FT-Rheology) and Large Ampli- tude Oscillatory Shear (LAOS) of cellulose nanocrystals (CNC) dispersions is presented. Dynamic frequency and strain sweep measure- ments were performed for different CNC con- centrations with various parameters (w , g ). The relevance of nonlinear material rheological pa- rameters on flow-field-CNC interactions are initially investigated. This preliminary analy- sis is mainly formed on the magnitude of the stress response nonlinearities. Dependence of concentration on phase transition in CNC while applying strain was investigated. A comparison between the linear viscoelastic dynamic moduli and nonlinearities a steep increase in nonlinear response around the gel point.

Författare

Sylwia Wojno

Chalmers, Industri- och materialvetenskap, Konstruktionsmaterial

Gunnar Westman

Chalmers, Kemi och kemiteknik, Kemi och biokemi

Roland Kádár

Chalmers, Industri- och materialvetenskap, Konstruktionsmaterial

Annual Transactions - The Nordic Rheology Society

1601-4057 (ISSN)

Vol. 27 179-184

Styrkeområden

Nanovetenskap och nanoteknik (2010-2017)

Materialvetenskap

Ämneskategorier

Teknisk mekanik

Livsmedelsteknik

Strömningsmekanik och akustik

Mer information

Skapat

2019-11-11