Study of zinc tannates prepared with Tara powder (Caesalpinia spinosa) as anticorrosive pigments in alkyd paints and wash primer formulations
| Autor: | Santiago Flores, R. Romagnoli, J. Caprari, Antonella Hadzich |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Materials science
Zinc chromate General Chemical Engineering Organic Chemistry Alkyd Zinc phosphate chemistry.chemical_element 02 engineering and technology Zinc 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry 01 natural sciences 0104 chemical sciences Surfaces Coatings and Films Corrosion chemistry.chemical_compound Pigment chemistry visual_art Materials Chemistry visual_art.visual_art_medium Salt spray test 0210 nano-technology Nuclear chemistry |
| Zdroj: | Progress in Organic Coatings. 117:35-46 |
| ISSN: | 0300-9440 |
| DOI: | 10.1016/j.porgcoat.2017.12.019 |
| Popis: | The aim of this research was to evaluate the anticorrosive properties of alkyd paints and wash primers formulated with zinc tannates containing Tara tannins. Their inhibitory efficiency was compared with paints pigmented with well-known anticorrosive pigments by accelerated corrosion tests (salt spray test, Prohesion test, and sulphur dioxide test), natural exposure tests and some electrochemical techniques (corrosion potential, polarization resistance and impedance measurements). It was demonstrated that the capacity of inhibiting corrosion of zinc tannates is equivalent to that shown by most commercially available conventional pigments, such as zinc phosphate and zinc chromate. |
| Databáze: | OpenAIRE |
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