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Elsevier, Progress in Organic Coatings, 2(55), p. 154-159

DOI: 10.1016/j.porgcoat.2005.09.011

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Two-step curing processes for coating application

This paper is available in a repository.
This paper is available in a repository.

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Abstract

Two novel two-stage cure processes will be described, both involving oxetane chemistry. In both processes, the two consecutive cure processes are completely separated from one another. In the first process, two UV-initiated cure steps are combined, which are separated through their different polymerization mechanisms, i.e., free-radical and cationic. Possible application areas include deformable coatings, e.g., abrasion-resistant coatings and coil coatings. The second process refers to the combination of a covalent cationic cross-linking step and a supramolecular, reversible cross-linking step (through metal-ligand interaction). This could lead to a novel class of coatings with unprecedented theological properties, with potential applications as "self-healing" coatings. Examples of these processes will be described in detail. (c) 2005 Elsevier B.V. All rights reserved.