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    • 9. 发明授权
    • Process for the preparation of a crosslinker composition
    • 制备交联剂组合物的方法
    • US08460758B2
    • 2013-06-11
    • US12745996
    • 2008-12-05
    • Lawrence A. FloodBarry A. Lawless
    • Lawrence A. FloodBarry A. Lawless
    • B05D1/00
    • C08G14/08C09D161/34C09D167/08C08L2666/16
    • This invention is directed to a process for the preparation of a crosslinker composition, comprising the steps of providing a mixture of an aliphatic alcohol A having at least one hydroxyl group and from 1 to 10 carbon atoms, with at least one multifunctional aldehyde C having at least two aldehyde groups —CHO to form a mixture AC, heating the mixture AC to convert at least a part of the multifunctional aldehyde C to its hemiacetal or to its acetal to form a mixture (AC)′, adding to the mixture (AC)′ least one cyclic urea U or the educts to produce the said cyclic urea U in situ, which cyclic urea U has at least one unsubstituted >NH group, and reacting the mixture thus obtained to form a chemical bond between the nitrogen atom of the at least one unsubstituted >NH group of the at least one cyclic urea U5 and the carbon atom of the least one aldehyde group —CHO of the multifunctional aldehyde C, and coating compositions comprising the said crosslinker composition.
    • 本发明涉及一种制备交联剂组合物的方法,包括以下步骤:提供具有至少一个羟基和1-10个碳原子的脂族醇A与至少一种多官能醛C的混合物, 至少两个醛基-CHO以形成混合物AC,加热混合物AC以将至少一部分多官能醛C转化成其半缩醛或缩醛,形成混合物(AC) 至少一个环状尿素U或离子以原位生成所述环状尿素U,该环状脲U具有至少一个未取代的NH基团,并使由此获得的混合物反应,以形成在 至少一个环状脲U5的至少一个未取代的> NH基团和多官能醛C的至少一个醛基-CHO的碳原子,以及包含所述交联剂组合物的涂料组合物。
    • 10. 发明申请
    • PROCESS FOR THE PREPARATION OF A CROSSLINKER COMPOSITION
    • 制备交联剂组合物的方法
    • US20100297356A1
    • 2010-11-25
    • US12745996
    • 2008-12-05
    • Lawrence A. FloodBarry A. Lawless
    • Lawrence A. FloodBarry A. Lawless
    • B05D3/02C08L73/00C08L63/00C08L33/00C08L75/04B05D1/02B05D1/28B05D1/18C09K3/00
    • C08G14/08C09D161/34C09D167/08C08L2666/16
    • This invention is directed to a process for the preparation of a crosslinker composition, comprising the steps of providing a mixture of an aliphatic alcohol A having at least one hydroxyl group and from 1 to 10 carbon atoms, with at least one multifunctional aldehyde C having at least two aldehyde groups —CHO to form a mixture AC, heating the mixture AC to convert at least a part of the multifunctional aldehyde C to its hemiacetal or to its acetal to form a mixture (AC)′, adding to the mixture (AC)′ least one cyclic urea U or the educts to produce the said cyclic urea U in situ, which cyclic urea U has at least one unsubstituted >NH group, and reacting the mixture thus obtained to form a chemical bond between the nitrogen atom of the at least one unsubstituted >NH group of the at least one cyclic urea U5 and the carbon atom of the least one aldehyde group —CHO of the multifunctional aldehyde C, and coating compositions comprising the said crosslinker composition.
    • 本发明涉及一种制备交联剂组合物的方法,包括以下步骤:提供具有至少一个羟基和1-10个碳原子的脂族醇A与至少一种多官能醛C的混合物, 至少两个醛基-CHO以形成混合物AC,加热混合物AC以将至少一部分多官能醛C转化成其半缩醛或缩醛,形成混合物(AC) 至少一个环状尿素U或离子以原位生成所述环状尿素U,该环状脲U具有至少一个未取代的NH基团,并使由此获得的混合物反应,以形成在 至少一个环状脲U5的至少一个未取代的> NH基团和多官能醛C的至少一个醛基-CHO的碳原子,以及包含所述交联剂组合物的涂料组合物。