Abstract:
This invention relates to a process for the preparation of triazine carbamates by reacting a mixture of an aminotriazine A having at least two amino groups per molecule, an organic carbonate C which is preferably an acyclic carbonate, and a mixture B of bases comprising at least two basic metal compounds B1 and B2 individually selected from the group consisting of hydrides, amides, alkoxides, and arylalkoxides of metals, wherein the metal in B1 is not the same as the metal in B2.
Abstract:
The invention relates to a reaction product UA of at least one cyclic urea U and at least one multifunctional aldehyde A which reaction product has as substituents on the carbonyl carbon atoms of the aldehyde A at least one kind of functional groups selected from the group consisting of hydroxyl groups -OH and alkoxy groups -OR characterised in that the groups - OR comprise at least two kinds of alkoxy groups -OR 1 and -OR 2 , where R 1 and R 2 are both selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, where R 1 and R 2 may be the same or may be different from each other, to a process of making these, and to a method of use as crosslinker in coating compositions.
Abstract:
This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified by reaction of at least a part of the hydroxyl groups formed by addition reaction of N—H groups and aldehyde groups, with an alcohol having from one to ten carbon atoms, and wherein glyoxal is present in the at least one multifunctional aldehyde A2, to processes for their preparation, and to a method of use thereof in coating compositions.
Abstract:
This invention relates to products H made by reaction of a cyclic alkyleneurea U, at least one multifunctional aldehyde A2, and at least one of (a) an aminoplast former M that is not the same as the cyclic alkyleneurea U, and (b) a monofunctional aldehyde A1, which product H is optionally etherified by reaction of at least a part of the hydroxyl groups formed by addition reaction of N—H groups and aldehyde groups, with an alcohol having from one to ten carbon atoms, and wherein glyoxal is present in the at least one multifunctional aldehyde A2, to processes for their preparation, and to a method of use thereof in coating compositions.
Abstract:
This invention relates to a process for the preparation of triazine carbamates by reacting a mixture of an aminotriazine A having at least two amino groups per molecule, an organic carbonate C which is preferably an acyclic carbonate, and a mixture B of bases comprising at least two basic metal compounds B1 and B2 individually selected from the group consisting of hydrides, amides, alkoxides, and arylalkoxides of metals, wherein the metal in B1 is not the same as the metal in B2.