Isocyanates containing uretdione groups
    61.
    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

    Abstract: 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.

    Abstract translation: 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
    62.
    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

    CPC classification number: C08G18/6216 C08G18/792 C08G18/807 C09D175/04

    Abstract: 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.

    Abstract translation: 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
    68.
    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

    Abstract: 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.

    Abstract translation: 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。

    Powder coating compositions and their use for coating heat-resistant
substrates
    70.
    发明授权
    Powder coating compositions and their use for coating heat-resistant substrates 失效
    粉末涂料组合物及其用于涂覆耐热基材的用途

    公开(公告)号:US5852101A

    公开(公告)日:1998-12-22

    申请号:US958227

    申请日:1997-10-27

    Abstract: The present invention relates to a powder coating composition for the production of non-yellowing flexible coatings which is solid below 30.degree. C. and liquid above 120.degree. C. and contains a mixture of A) a polyisocyanate component which i) has a content of blocked isocyanate groups (expressed as NCO, molecular weight=42) of 3.0 to 14.0% by weight, ii) has a functionality, based on the blocked isocyanate groups, of 1.9 to 2.3 and iii) and contains at least one .epsilon.-caprolactam-blocked polyisocyanate based on the reaction product of 4,4'-diisocyanatodicyclohexyl methane with a polyol component having an average molecular weight of 90 to 400 and containing at least 50% by weight, based on the weight of the polyol component, of one or more (cyclo)aliphatic diols containing 4 to 12 carbon atoms, B) a polyol component containing at least one polyhydroxy polyacrylate having an OH number of 40 to 120 and C) an organotin catalyst for the reaction between hydroxyl groups and blocked isocyanate groups, wherein components A) and B) are present in quantities which correspond to an equivalent ratio of blocked polyisocyanate groups to hydroxyl groups of 0.5:1 to 1.2:1. The present invention also relates to the a heat-resistant substrate which is coated with this powder coating composition.

    Abstract translation: 本发明涉及一种粉末涂料组合物,用于生产低于30℃的固体和高于120℃的液体的非黄变柔性涂层,并且含有A)多异氰酸酯组分的混合物,i)多异氰酸酯组分的含量 封闭的异氰酸酯基团(表示为NCO,分子量= 42)为3.0至14.0重量%,ii)基于封端异氰酸酯基团的官能度为1.9至2.3和iii)并且包含至少一个ε-己内酰胺 - 封端的多异氰酸酯基于4,4'-二异氰酸二环己基甲烷与平均分子量为90至400的多元醇组分的反应产物和基于多元醇组分重量的至少50重量%的一种或多种 含有4至12个碳原子的(环)脂族二醇,B)含有至少一种羟值为40至120的多羟基聚丙烯酸酯的多元醇组分,C)用于羟基与封端异氰酸酯反应的有机锡催化剂 te基团,其中组分A)和B)以对应于封端多异氰酸酯基团与羟基的当量比为0.5:1至1.2:1的量存在。 本发明还涉及涂覆有该粉末涂料组合物的耐热基材。

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