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Possibilities and Limitations of Modern High-solids Anti-Corrosion Coating Compounds

New high-solids compounds for two-component (2K) topcoats based on polyurethane, polyurea and polysiloxane binders are examined with respect to their competitive potential in Europe. Against the backdrop of EU-wide VOC legislation, the relevant market for OEM topcoats applied in stationary facilities is currently estimated at 20,000 t with a material value of a good EUR  100 million.  

Product Number: 41206-250-SG
Author: Malte Homann, Thomas Bäker, Michael Casimir
Publication Date: 2006
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New high-solids compounds for two-component (2K) topcoats based on polyurethane, polyurea and polysiloxane binders are examined with respect to their competitive potential in Europe. Against the backdrop of EU-wide VOC legislation, the relevant market for OEM topcoats applied in stationary facilities is currently estimated at 20,000 t with a material value of a good EUR  100 million.  This article focuses on the following competitive criteria:  efficiency in application and long-term use, and the conformance of quality and environmental properties with the European VOC Directive. In terms of quality and the environment, high-solids polyurethanes based on the current OH-polyacrylate range fulfill requirements, although specific product properties must be taken into account when selecting the acrylate grade. Modern high solids polyurea and polysiloxane systems offer greater efficiency, particularly with regard to their potential for reducing the number of coats applied. In this context, polyaspartic binders - a special polyurea class offering high versatility in application - are starting to play a decisive role in corrosion protection in  Europe, primarily because of their  price/performance  ratio. Finally, the competitive potential of waterborne and powder coatings in the field of corrosion protection is outlined.

New high-solids compounds for two-component (2K) topcoats based on polyurethane, polyurea and polysiloxane binders are examined with respect to their competitive potential in Europe. Against the backdrop of EU-wide VOC legislation, the relevant market for OEM topcoats applied in stationary facilities is currently estimated at 20,000 t with a material value of a good EUR  100 million.  This article focuses on the following competitive criteria:  efficiency in application and long-term use, and the conformance of quality and environmental properties with the European VOC Directive. In terms of quality and the environment, high-solids polyurethanes based on the current OH-polyacrylate range fulfill requirements, although specific product properties must be taken into account when selecting the acrylate grade. Modern high solids polyurea and polysiloxane systems offer greater efficiency, particularly with regard to their potential for reducing the number of coats applied. In this context, polyaspartic binders - a special polyurea class offering high versatility in application - are starting to play a decisive role in corrosion protection in  Europe, primarily because of their  price/performance  ratio. Finally, the competitive potential of waterborne and powder coatings in the field of corrosion protection is outlined.

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