Curable coating composition

The invention relates to a curable coating composition comprising an aliphatic epoxy resin comprising two or more epoxide groups and a compound having two or more amine functionalities, wherein two of the two or more amine functionalities are connected to each other by a chain comprising a segment consisting of an alkyl ether or a poly(alkyl ether), the alkyl ether or poly(al­ kyl ether) having alkylene units of2 to 5 carbon atoms or a mixture of such alkylene units, the poly(alkyl ether) having from 2 to 20 ether oxygen atoms in the chain