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process for preparing a urea-aldehyde reaction product, urea-aldehyde reaction product, method of using urea-aldehyde reaction product, and matter composition
process for preparing a urea-aldehyde reaction product, urea-aldehyde reaction product, method of using urea-aldehyde reaction product, and matter composition
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机译：脲醛反应产物的制备方法，脲醛反应产物，使用脲醛反应产物的方法和物质组成
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摘要
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 1 -OH, and optionally, at least one solvent that has no reactive groups which may react with aldehyde groups, -CO-NH- groups, or hydroxyl groups, to effect an addition reaction to obtain a solution of a product UA, where R 1 is 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.
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