This article will cover both the current and future challenges in paint technologies and is presented as customer expectations, that is, the environmentally friendly coating has to be corrosion resistant, chip resistant, etch resistant, scratch resistant, it must have excellent appearance, and it must not fade or peel in at least 10 years of service. Rust still remains the top concern of the customers. The challenge is to meet all the demands of all drivers. A nickel-free phosphate with nitrite-free accelerators and heavy metal-free passivation generating minimal, non-hazardous sludge and using no VOG pre-cleaners is envisioned for the future. In the future, the current high edge, high throw, non-yellowing electrocoat will need to be free of lead and hazardous air pollutants, low bake, very low VOC and curable in a NOx-free oven. The development of a more chip- and abrasion-resistant coating system has to take into consideration film builds, bake temperatures, pigmentation types, pigmentation levels, plant processing, interlayer adhesion, phosphate crystal morphology, polymer architecture and crosslinking choice. Demands for attractive colours will not diminish. The challenge will be to developed these basecoats in water or super high solids with less expensive pigments or processes. The current challenge is simple: develop a cost effective clearcoat that has etch resistance like 2K and mar resistance of Teflon.
What will drive paint technology in the future?
Was treibt die Farbtechnologie in Zukunft an
PPCJ Polymers Paint Colour Journal ; 189 , 4412 ; 12-13
1999
2 Seiten, 1 Bild
Article (Journal)
English
Anstrichmittel , Grundiermittel , Korrosionsschutz , Automobilindustrie , Kraftfahrzeug , Kunststoffüberzug , Beschichten mit Kunststoff , Phosphatieren , elektrostatisches Beschichten , Abriebfestigkeit , Lichtbeständigkeit , Korrosionsbeständigkeit , Verschleißwiderstand , Stoßfestigkeit , Umweltschutz , Prognose , technische Entwicklung
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