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103 条记录 (耗时 0.026 秒)

    Isocyanates containing uretdione groups
    91.
    发明授权
    Isocyanates containing uretdione groups 有权
    含有脲二酮基团的异氰酸酯

    公开(公告)号：US07098289B2

    公开(公告)日：2006-08-29

    申请号：US10613457

    申请日：2003-07-03

    申请人： Hans-Josef Laas ,  Reinhard Halpaap ,  Frank Richter ,  Jürgen Köcher

    发明人： Hans-Josef Laas ,  Reinhard Halpaap ,  Frank Richter ,  Jürgen Köcher

    IPC分类号： C08G18/20

    CPC分类号： C08G18/2036 ,  C07D229/00 ,  C08G18/027 ,  C08G2150/00 ,  C08G2150/20

    摘要： The invention relates to novel compounds containing uretdione groups, to a process for preparing them by dimerizing aliphatic and/or cycloaliphatic isocyanates containing exclusively secondary and/or tertiary isocyanate groups and also to the use of uretdione polyisocyanates obtainable by this process from diisocyanates containing exclusively secondary and/or tertiary isocyanate groups as a starting component for polyurethane polymers, in particular as an isocyanate component in the preparation of uretdione powder coating crosslinkers.

    摘要翻译： 本发明涉及含有脲二酮基团的新化合物，其通过二元化仅含有仲和/或叔异氰酸酯基团的脂族和/或脂环族异氰酸酯制备它们的方法，还涉及使用通过该方法获得的脲二酮多异氰酸酯，该二异氰酸酯仅含有二级 和/或叔异氰酸酯基团作为聚氨酯聚合物的起始组分，特别是作为脲二酮粉末涂料交联剂制备中的异氰酸酯组分。

    Blocked polyisocyanates
    92.
    发明授权
    Blocked polyisocyanates 失效
    封闭的多异氰酸酯

    公开(公告)号：US07087676B2

    公开(公告)日：2006-08-08

    申请号：US10874716

    申请日：2004-06-23

    申请人： Jan Mazanek ,  Reinhard Halpaap ,  Markus Mechtel ,  Thomas Klimmasch ,  Christoph Thiebes

    发明人： Jan Mazanek ,  Reinhard Halpaap ,  Markus Mechtel ,  Thomas Klimmasch ,  Christoph Thiebes

    IPC分类号： C08G18/80 ,  C07C275/08 ,  C07C275/12 ,  C07C275/14 ,  C07C275/16

    CPC分类号： C08G18/6216 ,  C08G18/792 ,  C08G18/807 ,  C09D175/04

    摘要： Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers, wherein blocked polyisocyanates are prepared by reacting polyisocyanates with secondary amines corresponding to the formula wherein R1—R4 can be identical or different and denote hydrogen, C1–C6-alkyl or cycloalkyl, R5 denotes C1–C10-alkyl, C3–C10-cycloalkyl, y denotes a number from 2 to 8, and B represents wherein R6–R8 can be identical or different and independently of one another denote C1–6-alkyl and/or C3–C6-cycloalkyl, R9 denotes hydrogen or C1–6-alkyl or C3–C6-cycloalkyl.

    摘要翻译： 封闭的多异氰酸酯和含有这些封端的多异氰酸酯的单组分烘烤系统及其制备及其用于制备漆，油漆，粘合剂和弹性体的用途，其中封端的多异氰酸酯是通过使多异氰酸酯与对应于下式的仲胺反应来制备的： 可以相同或不同，表示氢，C 1 -C 6 - 烷基或环烷基， R 5表示C 1 -C 10 - 烷基，C 3 -C 10烷基，C 3 -C 10 - 烷基，C 3 -C 10 - > - 环烷基，y表示2至8的数，B表示其中R 6 -R 8可以相同或不同，并且彼此独立地表示C 表示氢或C 1 -C 6 - 烷基或C 3 -C 6 - 环烷基。

    Polyether-modified polyisocyanate mixtures having improved dispersibility in water
    98.
    发明授权
    Polyether-modified polyisocyanate mixtures having improved dispersibility in water 有权
    具有改善的在水中的分散性的聚醚改性的多异氰酸酯混合物

    公开(公告)号：US06426414B1

    公开(公告)日：2002-07-30

    申请号：US09312180

    申请日：1999-05-14

    申请人： Hans-Josef Laas ,  Reinhard Halpaap ,  Christian Wamprecht

    发明人： Hans-Josef Laas ,  Reinhard Halpaap ,  Christian Wamprecht

    IPC分类号： C07C27166

    CPC分类号： C09D175/04 ,  C08G18/222 ,  C08G18/283 ,  C08G18/6254 ,  C08G18/706 ,  C08G18/7837 ,  C08G18/792

    摘要： The present invention relates to water dispersible polyisocyanate mixtures prepared from aliphatic, cycloaliphatic, araliphatic and/or aromatic diisocyanates and having a) an average isocyanate functionality of at least 2.0, b) a content of 5.0 to 25.0 wt. %, based on resin solids, of isocyanate groups (calculated as NCO; molecular weight=42) and c) a content of 2 to 50 wt. %, based on resin solids, of ethylene oxide units calculated as C2H2O; molecular weight 44) incorporated within polyether chains containing an average of 5 to 35 ethylene oxide units, wherein at least 60 mole % of the polyether chains are connected via allophanate groups to two polyisocyanate molecules which are each prepared from at least two diisocyanate molecules. The present invention also relates to a process for the preparation of these water dispersible polyisocyanate.

    摘要翻译： 本发明涉及由脂族，脂环族，芳脂族和/或芳族二异氰酸酯制备的水分散性多异氰酸酯混合物，并且具有至少2.0的平均异氰酸酯官能度，b）5.0至25.0重量％的含量。 ％，基于树脂固体的异氰酸酯基团（以NCO计算;分子量= 42），和c）2〜50重量％的含量。 ％，基于树脂固体，以C 2 H 2 O计算的环氧乙烷单元; 分子量44），其包含平均5至35个环氧乙烷单元的聚醚链，其中至少60摩尔％的聚醚链通过脲基甲酸酯基团连接到两个由至少两个二异氰酸酯分子制备的多异氰酸酯分子。 本发明还涉及制备这些水分散性多异氰酸酯的方法。