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Bridging the Gap Between Epoxy and Polyurethane

SpecialChem / Ben van Leeuwen – Nov 5, 2012

The market penetration of Epoxy high-solid coatings has been facilitated by the fact that many industrial users tend to view this high-solid technology as a logical extension of the conventional low-solid solvent borne systems.

Epoxy high-solid coatings offer advantages over conventional epoxy paints, not only with regard to less pollution, but also better economy. This is attributable essentially to the saving of solvents, improved surface coverage, lower coating inventories and lower transportation costs and not at least of all to the installation of more economical after burners. Epoxy high-solid coatings, due to their potential for thicker film application, can often eliminate the need for extra coating layers. This eliminates the need for intermediate coats and will reduce installation and labour costs and also less risk of contamination between layers.

However, the Epoxy high-solid coatings show also disadvantages which will be described in this paper and how they can be overcome by the use of Acrylate based modifiers for Epoxy high solid coatings.

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