The combined forces of environmental protection, consumerism, energy conservation and productivity are completely altering the nature of coatings used by the automotive industry. Waterborne basecoats allow application at low-volume solids, thus producing optimum metallic effect while maintaining compliance with emission regulations. To control rheology and thereby sag resistance and metal flake orientation, a novel aqueous microgel polymer has been developed. Processing of these basecoats is similar to present solvent-borne finishes with the exception that stainless steel equipment must be used and water must be removed before application of clear coat. The prodcution feasibility of waterborne basecoats was first esablished in a Canadian truck assembly plant and in the next two years several other production facilities are expected to convert to this new technology.
Waterborne automotive finishes
Wasserlösliche Lackierung in der Kfz-Industrie
1991
10 Seiten, 9 Bilder, 2 Tabellen
Conference paper
English
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