| abstract |
The invention relates to a multi-layer coating system comprising: at least one layer a) comprising a coating composition a) comprising at least one isocyanate-functional compound and at least one thiol-functional compound; and at least one layer b) comprising a non-aqueous coating composition b), wherein at least one layer a) and at least one layer b) have at least one common layer boundary, and wherein coating composition b) comprises all effective amount of a catalyst for the addition reaction of tile at least one thiol-functional compound and the at least one isocyanate-functional compound. |