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Rheological study of solutions of high concentrations of Carboxymethyl cellulose

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Rheological study of solutions of high concentrations of Carboxymethyl cellulose

Edali, Mohamed (1999) Rheological study of solutions of high concentrations of Carboxymethyl cellulose. Masters thesis, Concordia University.

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Abstract

The purpose for this thesis is to provide a complete and comprehensive theological study for a high range of CMC concentrations. The objective is to reveal the measurements of steady-state parameters, transient shear stress response, and yield stress of Carboxymethyl Cellulose. Also, the thixotropic, viscoelastic behavior, and some of the dynamic responses were included. In order to accomplish this, a Haake-Rheostress 100, Cone-and-Plate Rheometer system was used to get a full set of rheological characteristics of high concentrations of carboxymethyl cellulose solutions (CMC). The concentrations ranged by weight from 5% to 8% of CMC. The rheological behavior of CMC gels at concentrations of 5, 6, 7, and 8% by weight has been analyzed. This range was wide enough to cover the rheological properties of the highly concentrated CMC solutions. The thixotropic areas and its variations with factors such as concentration and agitation time were obtained. The rheological fingerprints of the samples provided the assigned shear rate and the resulting shear stress correlation in the controlled rate mode of the rheometer.

Divisions:Concordia University > Faculty of Engineering and Computer Science > Mechanical and Industrial Engineering
Item Type:Thesis (Masters)
Authors:Edali, Mohamed
Pagination:ix, 85 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:Theses (M.A.Sc.)
Program:Mechanical and Industrial Engineering
Date:1999
Thesis Supervisor(s):Esmail, Nabil
ID Code:911
Deposited By:Concordia University Libraries
Deposited On:27 Aug 2009 13:15
Last Modified:08 Dec 2010 10:17
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