Coating, impregnating and adhesive compositions curable at ambient temperature, and methods of using them

A method for producing a cured coating, impregnating or bonding film which comprises the steps of forming a liquid film-forming composition, suitable for coating, impregnating, and/or bonding purposes, by mixing components:

• (1) A soluble vinyl addition polymer of monoethylenically unsaturated monomer(s), said polymer containing a plurality of aldimine and/or ketimine groups pendant from spaced mers or polymer units in the polymer chain with
• (2) At least one compound having at least two acryloxy or methacryloxy groups of the formula H.sub.2 C.dbd.C(R)C(O)--O--wherein R is H or CH.sub.3, optionally with a monoethylenically unsaturated monomer of the general formula H.sub.2 C.dbd.C(R)--X wherein R is H or CH.sub.3 and X is an electron-withdrawing group, the relative amount of the poly(meth)acryloxy component (2) to component (1), based respectively on (meth)acryloxy unsaturation equivalency of (2) and amine (primary and/or secondary) nitrogen equivalency of (1), being such as to provide at least from 0.5 to 3.5 equivalents of (2) for each equivalent of (1) taking into consideration any reaction of the latter by the monoethylenically unsaturated monomer, if any, present in (2), and then applying the mixture to at least one surface of at least one substrate at ambient conditions to deposit a film coating the surface of the substrate and/or impregnating any pores or interstitial openings extending into the substrate, and then curing the film by exposure to ambient temperature for a period of at least two hours.

A method for producing a cured coating, impregnating or bonding film which comprises the steps of forming a liquid film-forming composition, suitable for coating, impregnating, and/or bonding purposes, by mixing components:

• (1) A soluble vinyl addition polymer of monoethylenically unsaturated monomer(s), said polymer containing a plurality of primary or secondary amine groups pendant from spaced mers or polymer units in the polymer chain with
• (2) At least one compound having at least two acryloxy or methacryloxy groups of the formula H.sub.2 C.dbd.C(R)C(O)--O--wherein R is H or CH.sub.3, optionally with a monoethylenically unsaturated monomer of the general formula H.sub.2 C.dbd.C(R)--X--wherein R is H or CH.sub.3 and X is an electron-withdrawing group, with
• (3) A volatile C.sub.3 -C.sub.10 aldehyde or C.sub.3 -C.sub.10 ketone stabilizer which retards the reaction of (1) and (2) under ambient conditions,
• the relative amount of the poly(meth)acryloxy component (2) to component (1), based respectively on (meth)acryloxy unsaturation equivalency of (2) and amine (primary and/or secondary) nitrogen equivalency of (1), being such as to provide at least from 0.5 to 3.5 equivalents of (2) for each equivalent of (1) taking into consideration any reduction of the latter by the monoethylenically unsaturated monomer, if any, present in (2), and then applying the mixture to at least one surface of at least one substrate at ambient conditions to deposit a film coating the surface of the substrate and/or impregnating any pores or interstitial openings extending into the substrate, and then curing the film by exposure to ambient temperature for a period of at least two hours.