Effects of Grinding Aids Used in Grinding Calcium Carbonate (CaCO3) Filler on the Properties of Water-Based Interior Paints
Source abstract
Abstract
Grinding aid chemicals which are used in the grinding of calcium carbonate (CaCO3) to prevent agglomeration are chemisorbed on the surfaces of particles, and the compatibility of them with the solvent, water, or organic resin affects the dispersion of the minerals and ultimately down-stream product properties in consumer industries such as paint, papermaking, and plastic. This study tries to explain the effects of triethanolamine (TEA) and monoethylene glycol (MEG), which are most commonly used as grinding aids, on the behavior of CaCO3 in water-based paints and on the properties of the paints. The powder properties of CaCO3 (grain size, color, surface area, oil absorption capacity, zeta potential, etc.) were characterized, and the changes in the can stability, ease of application, and optical properties (gloss, opacity) of the paints were revealed with rheological and optical analysis. It was observed that amine compounds remained in higher amounts on the CaCO3 surface and created negative results in the paint. On the other hand, glycol compound adhered less on the CaCO3 surface and affected the properties of the final product less than the amine compound. Therefore, CaCO3 ground without using any chemicals gives the best results in terms of long-term stability, ease of application, and visuality of the paint.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Polymer composites and self-healing · Calcium Carbonate Crystallization and Inhibition · Building materials and conservation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Geological Engineering, Faculty of Engineering, Hacettepe University, Ankara 06800, Turkey
R&D Department, Niğtaş Corporation, Niğde 51100, Turkey
Funding
Niğ Taş Corporation
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