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    • 5. 发明授权
    • Aqueous polyurethane dispersions containing secondary amide groups and their use in one-component thermoset compositions
    • 含有仲酰胺基团的水性聚氨酯分散体及其在单组分热固性组合物中的用途
    • US06455632B1
    • 2002-09-24
    • US09730079
    • 2000-12-05
    • Lyubov K. GindinKaren M. HendersonSze-Ming LeeBrian Long
    • Lyubov K. GindinKaren M. HendersonSze-Ming LeeBrian Long
    • C08J300
    • C09D175/04C08G18/0823C08G18/0866C08G18/12C08G18/283C08G18/3825C08G18/4238Y10T428/31551C08G18/3231
    • The present invention relates to aqueous polyurethane dispersions containing secondary amide groups in the backbone of the polyurethane, wherein the secondary amide groups (calculated as NH—CO—, MW 43) are present in an amount of 1 to 14% by weight, based on the weight of the polyurethanes, and correspond to the formula —X1—R1—NH—C(O)—R2—X2—  (I) wherein X1, and X2 are the same or different and represent the groups obtained by removing a hydrogen atom from a hydroxy group or a primary or secondary amino group and R1and R2 are the same or different and represent linear or branched hydrocarbon groups that are optionally substituted by groups that do not contain isocyanate-reactive hydrogen atoms. The present invention also relates to aqueous, one-component, thermoset compositions containing the polyurethanes with amide groups in the backbone and a cross-linking component that is reactive with amide groups. Finally, the present invention relates to coatings, sealants and adhesives prepared from these aqueous, one-component, thermoset compositions.
    • 本发明涉及在聚氨酯主链中含有仲酰胺基团的含水聚氨酯分散体,其中仲酰胺基团(以NH-CO-,MW 43计算)的存在量为1至14重量%,基于 聚氨酯的重量,对应于X 1和X 2的化学式相同或不同,表示通过从羟基或伯或仲氨基除去氢原子而获得的基团,R 1和R 2相同或不同,表示直链 或任选被不含有异氰酸酯反应性氢原子的基团取代的支链烃基。本发明还涉及包含在主链中具有酰胺基团的聚氨酯的含水单组分热固性组合物和交联组分, 与酰胺基反应。 最后,本发明涉及由这些水性单组分热固性组合物制备的涂料,密封剂和粘合剂。
    • 7. 发明授权
    • Polyurethanes containing secondary amide groups and their use in one-component thermoset compositions
    • 含有仲酰胺基团的聚氨酯及其在单组分热固性组合物中的用途
    • US06552157B2
    • 2003-04-22
    • US09730080
    • 2000-12-05
    • Charles A. GambinoKaren M. HendersonPatricia B. JacobsSze-Ming LeeRobert A. Sylvester
    • Charles A. GambinoKaren M. HendersonPatricia B. JacobsSze-Ming LeeRobert A. Sylvester
    • C08G1832
    • C08G18/3825C09D175/12Y10T428/31551
    • The present invention relates to polyurethanes containing secondary amide groups in the backbones of the polyurethanes, wherein the secondary amide groups (calculated as NH—CO—, MW 43) are present in an amount of 1 to 14% by weight, based on the weight of the polyurethanes, and correspond to the formula —X1—R1—NH—C(O)—R2—X2—  (I) wherein X1 and X2 are the same or different and represent the groups obtained by removing a hydrogen atom from a hydroxy group or a primary or secondary amino group and R1 and R2 are the same or different and represent linear or branched hydrocarbon groups that are optionally substituted by groups that do not contain isocyanate-reactive hydrogen atoms. The present invention also relates to one-component, thermoset compositions containing the polyurethanes with secondary amide groups in the backbone and a cross-linking component that is reactive with amide groups. Finally, the present invention relates to coatings, sealants and adhesives prepared from these one-component, thermoset compositions.
    • 本发明涉及在聚氨酯的主链中含有仲酰胺基团的聚氨酯,其中仲酰胺基团(以NH-CO-,MW 43计算)的存在量为基于重量的1至14重量% 的氨基甲酸酯,并且对应于肟基X 1和X 2相同或不同,表示通过从羟基或伯或仲氨基除去氢原子获得的基团,R 1和R 2相同或不同,表示直链或支链 任选被不含有异氰酸酯反应性氢原子的基团取代的烃基。本发明还涉及含有在主链中具有仲酰胺基团的聚氨酯和含有异氰酸酯反应性氢原子的反应性的交联组分的单组分热固性组合物 酰胺基。 最后,本发明涉及由这些单组分热固性组合物制备的涂料,密封剂和粘合剂。