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The Effects Of Color Concentrates On The Rheology Of Tint Bases, Doug James Herrick
The Effects Of Color Concentrates On The Rheology Of Tint Bases, Doug James Herrick
Master's Theses
ABSTRACT
THE EFFECTS OF COLOR CONCENTRATES ON THE RHEOLOGY OF TINT BASES
Douglas James Herrick
Waterborne coatings are formulated with a number of different ingredients; water, latex polymers, pigments, surfactants, dispersants, defoamers, biocides, coalescing aids, and rheology modifiers or thickeners. Rheology modifiers are necessary in order to improve the physical properties of the coating before, during, and after application to a substrate. There are two kinds of rheology modifiers used in waterborne coatings; associative thickeners and non-associative thickeners. Coatings formulated with associative thickeners are quite sensitive to coating variations; the slightest change in the formulation has profound effects on the …