Allnex Netherlands B.v.

Allnex IP S.a.r.l.

Allnex USA Inc.

Allnex Holdings International B.v.

Urvee Y Treasurer

Ram Baboo Gupta

Lawrence A Flood

Barry A Lawless

Colin Brogan

Irina Kobylanska

Zachary Wilde

Sarah Quinn

John Colin Brogan

Lawrence Flood

The present invention relates to reaction products H of at least one cyclic urea U, at least one multifunctional aldehyde A and at least one polyol P, process for preparing thereof and compositions comprising thereof.

Formaldehyde free crosslinking compositions

The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterised in that the degree of etherification, measured as the ratio &#xab;(13 O&#x2014;R)/&#xab;(U) of the amount of substance n(&#x2014;O&#x2014;R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance &#xab;(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA.

Non-etherified reaction product of a cyclic urea and a multifunctional aldehyde

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&#x2014;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.

Modified amino resins

The invention relates to a coating composition comprising a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, and a crosslinkable resin having at least one kind of functional groups selected from the group consisting of hydroxyl functional groups, acid functional groups, amide functional groups, amino functional groups, imino functional groups, mercaptan functional groups, phosphine functional groups, and carbamate functional groups, characterized in that the degree of etherification, measured as the ratio &#x3c;&#x3c;(&#x2014;O&#x2014;R)/&#x3c;&#x3c;(U) of the amount of substance n(-O&#x2014;R) of alkoxy groups as substituents of the aldehyde carbon atoms of the multifunctional aldehyde chemically bound in the reaction product UA to the amount of substance &#x3c;&#x3c;(U) of cyclic urea U chemically bound in the reaction products, is less than 0.01 mol/mol, and to a process for the preparation of the reaction product UA.

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 &#x2014;OH and alkoxy groups &#x2014;OR characterised in that the groups &#x2014;OR comprise at least two kinds of alkoxy groups &#x2014;ORand &#x2014;OR, where Rand Rare both selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, where Rand Rmay 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.

Reaction product of a cyclic urea and a multifunctional aldehyde

This invention relates to a process to make a reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U, by mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R&#x2014;OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, &#x2014;CO&#x2014;NH&#x2014; groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where Ris selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms, to the reaction product obtained by this process, and to a method of use thereof as crosslinker for coating compositions.

Process for the preparation of a reaction product of a cyclic urea and a multifunctional aldehyde

The invention relates to a process for the synthesis of cyclic alkylene ureas comprising reacting in the presence of a basic catalyst, a difunctional amine A having two primary amino groups, and an aliphatic organic carbonate component C selected from the group consisting of dialkyl carbonates CD and of alkylene carbonates CA, wherein the ratio of the amount of substance Ji(&#x2014;NH2) of primary amino groups &#x2014;NH2 in the difunctional amine A to the sum M(C) of the amount of substance n(CD) of carbonate groups of a dialkyl carbonate CD and the amount of substance n(CA) of carbonate groups in an alkylene carbonate CA, is at least more than 2, and to the product obtained by this process.

Process for the synthesis of cyclic alkylene ureas

The invention relates to a process for the synthesis of N-substituted cyclic alkylene ureas by reacting a multifunctional aliphatic amine A having at least two amino groups which may be primary or secondary, at least one of which is a primary amino group, &#x2014;NH, and at least one of which is a secondary amino group, &#x3e;NH, the other hydrogen group whereof having been substituted by a hydrocarbyl group which in turn may be substituted by a hydroxyl group, or an amino group, or a carboxyl group, or a ketone carbonyl group, or a hydrazide or hydrazone group, or a mercaptan group, and at least one further functional group selected from the group consisting of primary or secondary amino groups and hydroxyl groups, and an aliphatic organic carbonate component C selected from the group consisting of dialkyl carbonates CD and of alkylene carbonates CA.

Process for the synthesis of N-substituted cyclic alkylene ureas

The invention relates to a crosslinker composition comprising a reaction product of a cyclic urea U and a multifunctional aliphatic aldehyde A, and at least one crosslinker selected from the group consisting of reaction products of an aminotriazine and at least one aldehyde selected from the group consisting of aliphatic monoaldehydes and multifunctional aliphatic aldehydes having the structure Y(CHO), where Y is an n-functional aliphatic residue, and n is greater than 1; reaction products of urea and/or cyclic ureas and formaldehyde; alkoxycarbonyl-aminotriazines; multifunctional isocyanates which may be partially or completely blocked; reaction products of phenols and aliphatic monoaldehydes; multifunctional epoxides; multifunctional aziridines; and multifunctional carbodiimides, wherein any of the crosslinkers which have hydroxyl groups may be etherified with one or more linear, branched, or cyclic aliphatic alcohols.

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Stamford, CT, United States of America

Urvee Y Treasurer