Assembly components comprising curable compositions containing acetoacetylated resins

An assembly component comprising at least one substrate coated with at least one curable composition comprising:

• I. a first component (I) comprising a resin having at least one functional group selected from the group consisting of β-ketoester and malonate functional groups,
• II. a second component (II) comprising at least one curing agent having at least one aldehyde functional group, and
• III. a third component (III) comprising at least one compound having amine functionality, salts thereof, or combinations thereof;
• wherein the resin is either an amorphous polyester, a semi-crystalline polyester, or a polyether, or a combination thereof.