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Type: Artigo de periódico
Title: Influence of Dispersing Media and Particle Characteristics on Rheological Behavior of Noncolloidal Suspensions
Author: Sato, ACK
Cunha, RL
Abstract: The effect of viscosity (high and low) and molecular characteristics (polar and nonpolar) of continuous matrix on the flow behavior of noncolloidal suspensions were evaluated using particles with different size and shape. The increase in solids volume fraction exerted higher influence for larger cellulose fibers and less viscous matrices, due to larger particle-particle interaction. Evaluation of matrix polarity allowed the assessment of particle-solvent interactions, indicating that higher swelling of particles dispersed in polar matrices led to more complex and viscous suspensions. Besides particle characteristics, suspending matrix properties influenced the rheological behavior of noncolloidal suspensions, despite of the prevailing hydrodynamics effects.
Subject: Interaction
Country: EUA
Editor: Taylor & Francis Inc
Rights: fechado
Identifier DOI: 10.1080/01932691.2011.562445
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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