Coating method for surfaces in chemical installations

Akzo Nobel Coatings International B.V.; Wright, Anthony; Unthank, Matthew; Cameron, Colin (2015) Coating method for surfaces in chemical installations. WO2015165808A1.

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Abstract

The invention pertains to a method for providing a metallic or concrete surface of a chemical installation with a coating, which comprises the steps of - providing a two-pack coating composition wherein the first pack comprises an epoxy resin and the second pack comprises an amine curing agent for the epoxy resin, the coating composition further comprising an organoboron compound of the formula BX1 X2X3, wherein X1, X2, and X3 are independently selected from -Y1 and -OY2, wherein Y1 is independently selected from monovalent C1-C12 alkyl groups and monovalent C6-C12 aryl groups, and Y2 is independently selected from monovalent C1-C12 alkyl groups and monovalent C6-C12 aryl groups, and wherein at least one of X1, X2, and X3 is an -OY2 group, - combining the first pack and the second pack to form a coating composition, - applying the coating composition to the surface of a chemical installation to form a coating layer, and - allowing the coating layer to cure at a temperature in the range of 0 to 50°C. A chemical installation provided with a lining of a cured coating composition as specified above, and a suitable coating composition, are also claimed. It has been found that the coating composition as specified herein has a wide application spectrum, and a high chemical resistance.

Item Type: Patent
Subjects: F200 Materials Science
Department: Faculties > Health and Life Sciences > Applied Sciences
Depositing User: Becky Skoyles
Date Deposited: 25 Jun 2018 12:22
Last Modified: 25 Jun 2018 12:22
URI: http://nrl.northumbria.ac.uk/id/eprint/34677

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