The effect of mixing parameters on sodium carboxymethylcellulose (NaCMC) solutions was studied using three mixing systems. The first utilized a predominantly shear mixer (Ross), the second utilized a predominantly flow mixer (Heller), and the third utilized a combination of the two. It was discovered that the most effective system was the combination of the two mixers. A wide range of solutions was examined, with CMC concentrations ranging from 5 to 21 grams/liter. Salt concentrations were also varied from solutions with no salt to 2.5M NaCl solutions. Based on this data, CMC was found to behave as predicted by the Einstein viscosity equation. The effects of different impellers (Heller mixer), extended mixing times, the time of addition of salt to the polymer solution, and autoclaving were also explored.

Library of Congress Subject Headings

Cellulose--Chemistry; Ionic solutions

Publication Date


Document Type


Department, Program, or Center

School of Chemistry and Materials Science (COS)


Tubbs, Laura

Advisor/Committee Member

Langner, Andreas

Advisor/Committee Member

Rudy, Michael


Note: imported from RIT’s Digital Media Library running on DSpace to RIT Scholar Works. Physical copy available through RIT's The Wallace Library at: QD323 W344 1996


RIT – Main Campus