Abstract
The effects of ZrO2 copolymers on surface forces was explored. At low hydrophobic ionic copolymer concentrations, a much greater reduction in the maximum yield stress was observed as compared with the more hydrophilic polyacrylic acid and this was because of a thicker steric layer formed on the interacting particle. At high hydrophobic ionic copolymer concentrations, hydrophobic effects become important. These effects caused the maximum yield stress to increase as a result of an overall increase in entropy when the interacting particles are flocculated than when they are far apart.
Original language | English |
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Pages (from-to) | 59-69 |
Number of pages | 11 |
Journal | Journal of Rheology |
Volume | 47 |
Issue number | 1 |
DOIs | |
Publication status | Published - Jan 2003 |