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    Polyisocyanates blocked with CH-acidic esters and stabilized against thermal yellowing
    1.
    发明授权
    Polyisocyanates blocked with CH-acidic esters and stabilized against thermal yellowing 有权
    多异氰酸酯被CH-酸性酯封闭并稳定防止黄变

    公开(公告)号：US6060573A

    公开(公告)日：2000-05-09

    申请号：US271088

    申请日：1999-03-17

    申请人： Eberhard Konig ,  Claus Kobusch ,  Wolfram Kuttner

    发明人： Eberhard Konig ,  Claus Kobusch ,  Wolfram Kuttner

    IPC分类号： C08G18/40 ,  C08G18/09 ,  C08G18/70 ,  C08G18/80 ,  C09D7/12 ,  C09D175/04

    CPC分类号： C08G18/8058 ,  C08G18/092 ,  C08G18/70 ,  C08G18/8093 ,  C08G2150/20

    摘要： The present invention relates to a stabilized, aliphatic and/or cycloaliphatic, blocked polyisocyanates which havei) isocyanate groups blocked with CH-acidic esters,ii) a content of blocked isocyanate groups (calculated as NCO, MW 42) of 5 to 20, preferably 7 to 15 wt. %, based on the solids content of the blocked polyisocyanate andiii) a content of formaldehyde of 0.1 to 5 wt. %, based on the solids content of the blocked polyisocyanate.The present invention also related to a process for the preparation of these stabilized, blocked polyisocyanates and to their use in one-component polyurethane stoving compositions, which may be cured at relatively low stoving temperature of about 100.degree. C., as crosslinking agents for organic polyhydroxy compounds.

    摘要翻译： 本发明涉及稳定的脂族和/或脂环族封端的多异氰酸酯，其具有i）用CH-酸性酯封闭的异氰酸酯基团，ii）封端异氰酸酯基团的含量（以NCO计，MW 42计算）为5至20， 优选7-15重量％ ％，基于封端多异氰酸酯的固体含量，和iii）甲醛含量为0.1-5wt。 ％，基于封端多异氰酸酯的固体含量。 本发明还涉及制备这些稳定化的封端多异氰酸酯的方法，以及它们在单组分聚氨酯烘干组合物中的用途，该组合物可在相对低的烘箱温度约100℃下固化，作为有机的交联剂 多羟基化合物。

    Two-component polyurethane binders as primers
    3.
    发明授权
    Two-component polyurethane binders as primers 失效
    双组分聚氨酯粘合剂作为底漆

    公开(公告)号：US06756464B2

    公开(公告)日：2004-06-29

    申请号：US10054386

    申请日：2002-01-22

    申请人： Steffen Hofacker ,  Markus Mechtel ,  Wieland Hovestadt ,  Claus Kobusch

    发明人： Steffen Hofacker ,  Markus Mechtel ,  Wieland Hovestadt ,  Claus Kobusch

    IPC分类号： C08G1830

    CPC分类号： C08G18/809 ,  C08G18/6644 ,  C09D175/06 ,  Y10T428/31551

    摘要： The invention relates to a primer containing a solvent-containing two-component polyurethane binder comprising I) a curing component (A), comprising an addition product of at least one organic polyisocyanate (B) with an average NCO functionality of 2.5 to 5.0 and an isocyanate content of 8 to 27 wt. % and an alkoxysilane (C) of formula (I) with at least one isocyanate-reactive group, Q—Z—SiXaY3−a  (I), in which Q represents an isocyanate-reactive group, Z represents a linear or branched C1-C12 alkylene group, X represents a hydrolyzable group, Y represents identical or different C1-C4 alkyl groups and a is an integer from 1 to 3, and II) a lacquer resin (D) which can react with isocyanate groups as adhesion promoter.

    摘要翻译： 本发明涉及含有含溶剂的双组分聚氨酯粘合剂的底漆，其包含I）固化组分（A），其包含至少一种平均NCO官能度为2.5至5.0的有机聚异氰酸酯（B）的加成产物和 异氰酸酯含量为8〜27wt。 ％和具有至少一个异氰酸酯反应性基团的式（I）的烷氧基​​硅烷（C），其中Q表示异氰酸酯反应性基团，Z表示直链或支链C 1 -C 12亚烷基，X表示可水解基团，Y 表示相同或不同的C 1 -C 4烷基，且a为1至3的整数，和II）可与异氰酸酯基团反应的漆树脂（D）作为粘合促进剂。

    Multilayer coating systems containing a gel-like base layer and a polyurethane topcoat, and their production and use
    6.
    发明授权
    Multilayer coating systems containing a gel-like base layer and a polyurethane topcoat, and their production and use 有权
    含有凝胶状基层和聚氨酯面漆的多层涂层体系及其生产和使用

    公开(公告)号：US06762243B2

    公开(公告)日：2004-07-13

    申请号：US09917457

    申请日：2001-07-27

    申请人： Adolf Stender ,  Claus Kobusch ,  Wolfram Küttner

    发明人： Adolf Stender ,  Claus Kobusch ,  Wolfram Küttner

    IPC分类号： C08J300

    CPC分类号： B05D7/52 ,  C08G18/4812 ,  C08G18/4829 ,  C08G18/7831 ,  C08G2220/00 ,  Y10T428/31551

    摘要： The present invention relates to a coating system containing I) anhydrous, gel-like, high molecular weight polyurethane compositions, which may contain active substances, based on (1) 15 to 62 wt. %, based on the weight of 1) and 2), of a high molecular weight covalently crosslinked polyurethane matrix and (2) 38 to 85 wt. %, based on the weight of 1) and 2), of a liquid dispersing agent firmly bound in the matrix by secondary valence bonds, wherein the liquid dispersing agent contains one or more polyhydroxyl compounds having a number average molecular weight of 1000 to 12000 and an OH number of 20 to 112, wherein the dispersing agent is substantially free from hydroxyl compounds having a molecular weight below 800, and II) solvent-containing, solvent-free and/or aqueous polyurethane topcoats.

    摘要翻译： 本发明涉及一种包含I）无水，凝胶状，高分子量聚氨酯组合物的涂料体系，其可含有活性物质，基于（1）15至62wt。 基于1）和2）的重量，高分子量共价交联的聚氨酯基质和（2）38至85重量％ 基于1）和2）的重量，通过二价键连接在基体中的液体分散剂，其中液体分散剂含有一种或多种数均分子量为1000至12000的多羟基化合物，以及 OH数为20至112，其中分散剂基本上不含分子量低于800的羟基化合物，和II）含溶剂的无溶剂和/或水性聚氨酯面漆。

    Colloidal metal oxides having blocked isocyanate groups
    9.
    发明授权
    Colloidal metal oxides having blocked isocyanate groups 失效
    具有封端异氰酸酯基团的胶体金属氧化物

    公开(公告)号：US5998504A

    公开(公告)日：1999-12-07

    申请号：US54590

    申请日：1998-04-03

    申请人： Stefan Groth ,  Claus Kobusch ,  Lutz Schmalstieg ,  Lothar Puppe ,  Theodor Engbert ,  Manfred Bock ,  Gerhard Jonschker

    发明人： Stefan Groth ,  Claus Kobusch ,  Lutz Schmalstieg ,  Lothar Puppe ,  Theodor Engbert ,  Manfred Bock ,  Gerhard Jonschker

    IPC分类号： C07F7/10 ,  C08G18/38 ,  C08G18/80 ,  C08J7/04 ,  C08K5/54 ,  C07B37/02

    CPC分类号： C08G18/3895 ,  C08G18/3897 ,  C08G18/8054 ,  C08G18/809 ,  C08G18/8096

    摘要： The present invention relates to colloidal metal oxides having blocked isocyanate groups, which are based on the reaction product ofA) blocked isocyanate group-containing silanes corresponding to formula (I) ##STR1## wherein R represents hydrogen or an organic group having 1 to 40 carbon atoms,X, Y and Z represent identical or different organic groups having 1 to 30 carbon atoms which are inert to isocyanate groups below 100.degree. C., provided that at least one of these groups is a C.sub.1 -C.sub.4 -alkoxy group,Q represents an organic group which contains at least one isocyanate group reacted with a blocking agent andn is 2, 3 or 4 withB) colloidal metal oxides selected from Al, Si, Ti, Ta, W, Hf, Zr, Sn and Y.The present invention also relates to the use of modified metal oxides, either alone or in combination with compounds containing at least two isocyanate-reactive groups, for the preparation of optionally expanded polyurethane plastics, lacquers or coating agents.

    摘要翻译： 本发明涉及具有封端异氰酸酯基团的胶态金属氧化物，其基于A）封端异氰酸酯基硅烷对应于其中R表示氢或具有1至40个碳原子的有机基团的式（I）的反应产物， X，Y和Z表示相同或不同的具有1至30个碳原子的有机基团，其对于低于100℃的异氰酸酯基团是惰性的，条件是这些基团中的至少一个是C 1 -C 4 - 烷氧基，Q表示有机 含有至少一个与封闭剂反应的异氰酸酯基团的基团，n为2,3或4，B）选自Al，Si，Ti，Ta，W，Hf，Zr，Sn和Y的胶态金属氧化物。本发明 还涉及使用改性金属氧化物，单独或与含有至少两个异氰酸酯反应性基团的化合物组合，用于制备任选发泡的聚氨酯塑料，漆或涂层剂。