Abstract: Photoactivatable water born coating composition comprising a) a (meth)acryloyl-functional polyurethane dispersion, with the (meth)acryloyl-functional polyurethane comprising 5 to 18 wt. % of alkylene oxide groups while the (meth)acryloyl functionality is in the range of 2 to 40, and b) a UV-initiator. Preferably, the (meth)acryloyl-functional polyurethane comprises 8 to 18 wt. % of alkylene oxide groups. More preferably, the coating composition comprises a reactive diluent.

Abstract: The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a process for curing the present coating composition. Further, a process for making a bicyclo-orthoester-functional compound from the corresponding oxetane compound is described.

Abstract: The invention pertains to a coating composition comprising a first compound comprising at least one bicyclo- or spiro-orthoester group and a second compound comprising at least two hydroxyl-reactive groups. The invention also comprises a process for curing the present coating composition. More particularly, the latent hydroxyl groups of the bicyclo- or spiro-orthoester groups have to be deblocked and reacted with the hydroxyl-reactive groups of the second compound if the present coating composition is to be cured. Further, a process for making bicyclo-orthoester compounds from the corresponding oxetane compound is described, as are polymers comprising at least one bicyclo- or spiro-orthoester group.

Abstract: A non-aqueous coating composition based on an oxidatively drying alkyd resin and a photo-initiator. An acid or latent acid and one or more compounds of the group of vinyl ethers, acetals, and alkoxysilanes which are reactive in the presence of an acid are incorporated into the coating composition. The vinyl ethers, acetals, and alkoxysilanes preferably are covalently bounded to the alkyd resin. The ratio of the number of oxidatively drying groups present in the alkyd resin to the number of groups reactive in the presence of an acid preferably is in the range of 1/10 to 15/1. The acid preferably is the phosphoric acid dibutyl ester.

Abstract: The invention pertains to a coating composition comprising a) a first compound comprising at least one bicyclo-orthoester group, b) a second compound comprising at least two isocyanate groups, and c) a third compound comprising at least one thiol group. The invention also relates to a process for curing the present coating composition. More particularly, the latent hydroxyl groups of the bicyclo-orthoester groups have to be deblocked and reacted with the isocyanate-groups of the second compound if the present coating composition is to be cured.

Abstract: The invention pertains to a coating composition comprising a first compound comprising at least one bicyclo- or spiro-orthoester group and a second compound comprising at least two hydroxyl-reactive groups. The invention also comprises a process for curing the present coating composition. More particularly, the latent hydroxyl groups of the bicyclo- or spiro-orthoester groups have to be deblocked and reacted with the hydroxyl-reactive groups of the second compound if the present coating composition is to be cured. Further, a process for making bicyclo-orthoester compounds from the corresponding oxetane compound is described, as are polymers comprising at least one bicyclo- or spiro-orthoester group.

Abstract: Photoactivatable water born coating composition comprising

Abstract: The invention pertains to a coating composition comprising

Abstract: Photoactivatable coating composition comprising (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound such as an oligomeric or polymeric malonate compound and/or an acetoacetate group-containing compound, (C) a catalyst in the form of one or more Lewis or Brönstedt bases, with the conjugated acids of the latter having a pKa of at least 10, such as 1,8-diazabicyclo[5.4.0]undec-7-ene, and (D) a photoinitiator, wherein the photoinitiator is a photolatent base.

Abstract: The invention pertains to a coating composition comprising a first compound comprising at least one bicyclo- or spiro-orthoester group and a second compound comprising at least two hydroxyl-reactive groups. The invention also comprises a process for curing the present coating composition. More particularly, the latent hydroxyl groups of the bicyclo- or spiro-orthoester groups have to be deblocked and reacted with the hydroxyl-reactive groups of the second compound if the present coating composition is to be cured. Further, a process for making bicyclo-orthoester compounds from the corresponding oxetane compound is described, as are polymers comprising at least one bicyclo- or spiro-orthoester group.

Abstract: Proposed is a thermosetting powder coating composition comprising a mixture of particles reactive towards one another and a catalyst, with a portion of the reactive particles comprising a polymer reacting with epoxy to form ester forming or ether forming groups, while another portion comprises an at least bifunctional cross-linking agent which contains 2-oxo-1,3-dioxolan-4-yl groups, hereinafter referred to as cyclocarbonate groups, and, optionally, epoxy groups, with both the polymer reacting with epoxy to form ester forming and/or ether forming groups and the cross-linking agent being obtained by means of a non-vinylic addition and/or polymerization process. The catalyst used as ring opener for the cyclocarbonate groups is present in a quantity of 0.01 to 10, preferably 0.1 to 5, parts by weight per 100 parts by weight of the mixture of particles reactive towards one another. The quantity of epoxy oxygen present in the cross-linking agent after CO.sub.2 unblocking preferably is at least 0.4 wt. %.

Abstract: Proposed is a thermosetting powder coating composition comprising a mixture of particles reactive towards one another, optionally in combination with a catalyst, with a portion of the reactive particles comprising a polymer reactive towards oxetane groups while another portion comprises an oxetane groups-containing cross-linking agent having an oxetane functionality of more than 1. The quantity of oxetane oxygen in the cross-linking agent preferably is at least 0.4 wt. %. The reactive polymer preferably is a polymer having groups reactive towards oxetane, such as carboxyl, epoxy, oxetane, anhydride, and hydroxyl, with preference being given to a polyester or a hydroxypolyacrylate.

Abstract: Described is a coating composition comprising an organic compound comprising at least two acetoacetate groups or acetamide groups or a combination of these two groups and the oxide of a metal of Group IIa of the Periodic Table. The metal preferably is calcium or magnesium. The composition may further comprise a compound comprising at least two .alpha.,.beta.-ethylenically unsaturated groups and, optionally, a catalyst for the reaction of the acetoacetate groups and/or acetamide groups with the .alpha.,.beta.-ethylenically unsaturated groups.

Abstract: The present invention relates to coating compositions including a particular class of oligomeric sterically hindered polyamines as replacements for traditional blocked and unblocked polyamine crosslinkers. The use of these oligomeric sterically hindered polyamine crosslinkers resultss in a desirable pot life/cure speed relationship not generally available with traditional unblocked polyamine crosslinkers, as well as a lower VOC and often better appearance characteristics than generally available with the traditional blocked varieties.

Abstract: The invention provides an aqueous coating composition curable at ambient temperature comprising a compound having at least 2.alpha.,.beta.-ethylenically unsaturated carboxylate groups; a polyamino amide having an amine number ranging from 60-1000; and either a nitroalkane, a formic acid ester, or an organic compound occurring in at least 2 tautomeric forms, and in one of the tautomeric forms a labile hydrogen atom is linked to a carbon atom. A process of coating a substrate with such composition is also provided.

Abstract: A thermosetting coating composition is provided, which composition is based upon (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound and (C) a strong basic catalyst, wherein the strong basic catalyst is blocked with a [particular] carboxylic acid which is volatile and/or undergoes decarboxylation under curing conditions. These coating compositions possess extended potlife, good curing speed, and a good balance of physical and mechanical properties making them especially well suited for a variety of coatings uses such as in paint, impregnating, sealing and bonding compositions.

Abstract: A low-temperature curable composition is provided which is based upon a polyaromatic aldehyde group-containing compound and a ketiminized polyamino compound. These compositions display good stability, extended potlife, and a good balance of physical and mechanical properties making them suitable for a wide variety of coating, impregnating, sealing and bonding application.

Abstract: The invention provides a liquid coating composition curable at ambient temperature comprising a compound having at least 2 acryloyl groups or methacryloyl groups and an amino compound having a primary amino group which is blocked with an aldehyde or ketone, said amino compound being an aliphatic or cycloaliphatic amine containing 2-24 carbon atoms or an adduct of a molecular weight of 300-1500 of an epoxy compound or isocyanate compound or .alpha.,.beta.-ethylenically unsaturated carbonyl compound and a primary amine having a group reacting with said epoxy compound or isocyanate compound or .alpha., .beta.-ethylenically unsaturated carbonyl compound. A process for coating a substrate with such composition is also provided.

Abstract: The invention provides an aqueous coating composition curable at ambient temperature comprising a polyacetoacetate; a polyamino amide having an amine number of 60-1000; and either a nitroalkane, a formic acid ester, or an organic compound occurring in at least 2 tautomeric forms, and in one of the tautomeric forms a labile hydrogen atoms is linked to a carbon atom. A process of coating a substrate with such composition is also provided.

Abstract: The invention provides a liquid coating composition curable at ambient temperature comprising an acetoacetate groups-containing addition polymer having a number average molecular weight of 1000-100,000, a glass transition temperature of 250.degree.-370.degree. K., a hydroxyl number of 0-200 and a content of acetoacetate groups of 3,5-45% by weight, the acetoacetate groups being present as ester of hydroxyalkyl acrylate, hydroxyalkyl methacrylate or allyl alcohol structural units, and a polyamine having primary and/or secondary amino groups and blocked with an aldehyde or ketone. A process for coating a substrate with such composition is also provided.