Chemetall Gmbh

Christian Bruchertseifer

Michael Kraemer

Disclosed herein is a 2K coating system consisting of two components (A) and (B) being separate from each other, where (A) includes at least one constituent (a1) containing at least one aromatic moiety and bearing on average at least two primary and/or secondary amino groups, where (B) includes at least one constituent (b1) containing at least one aromatic moiety and bearing on average at least two isocyanate groups, where each of (A) and (B) has a solid content of at least 95 wt.-%, based on the total weight of the respective component, and constituent (b1) present in component (B) bears carbodiimide and/or uretonimine units and at least one structural unit (I). Also disclosed herein are a coating composition obtainable by mixing components (A) and (B), a method of using said coating composition as sealant, a method of applying the coating composition to a substrate, and a sealed substrate.

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Oldenburg, Germany

Christian Bruchertseifer