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    Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes
    1.
    发明授权
    Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes 失效
    多异氰酸酯混合物，其生产方法及其用于生产聚氨酯的方法

    公开(公告)号：US5464921A

    公开(公告)日：1995-11-07

    申请号：US156202

    申请日：1993-11-22

    申请人： Hans-Josef Laas ,  Reinhard Halpaap ,  Christian Wamprecht ,  Hans-Ulrich Meier-Westhues ,  Wolfgang Schultz ,  Lothar Kahl

    发明人： Hans-Josef Laas ,  Reinhard Halpaap ,  Christian Wamprecht ,  Hans-Ulrich Meier-Westhues ,  Wolfgang Schultz ,  Lothar Kahl

    IPC分类号： C07C265/14 ,  C07C265/04 ,  C07C265/10 ,  C07C271/10 ,  C07C271/24 ,  C07D251/34 ,  C08G18/10 ,  C08G18/73 ,  C08G18/75 ,  C08G18/76 ,  C09D5/03 ,  C09D5/46 ,  C09D175/00 ,  C09D175/04 ,  C08G18/32

    CPC分类号： C07C265/10 ,  C07C265/04 ,  C07C271/10 ,  C07C271/24 ,  C07D251/34

    摘要： The present invention relates to polyisocyanate mixtures which are solid below 40.degree. C. and liquid above 125.degree. C. and which havea) an average isocyanate functionality of at least 2.1,b) a content of free isocyanate groups bonded to tertiary (cyclo)aliphatic carbon atoms (calculated as NCO; molecular weight=42) of 5 to 22 wt. %,c) a urethane group content calculated as --NH--CO--O--; molecular weight=59) of 2 to 30 wt. %,d) an isocyanurate group content (calculated as C.sub.3 N.sub.3 O.sub.3 ; molecular weight=126) of 0 to 30 wt. % ande) a carboxylic acid ester group content (calculated as --CO--O--; molecular weight=44) of 0 to 25 wt. % and/orf) a carbonate group content (calculated as --O--CO--O--; molecular weight=60) of from 0 to 34 wt. %with the proviso that the total amount of ester groups e) and carbonate groups f) is at least 2 wt. %.The present invention also relates to a process for the production of these polyisocyanate mixtures and to their use for the production of polyurethanes, in particular as the crosslinking component in heat-curable two-component polyurethane powder coatings for coating heat-resistant substrates.

    摘要翻译： 本发明涉及固体低于40℃和高于125℃的液体的多异氰酸酯混合物，其具有a）平均异氰酸酯官能度至少为2.1，b）结合到叔（环）的游离异氰酸酯基团的含量， 脂肪族碳原子（以NCO计算;分子量= 42）为5〜22重量份。 ％，c）以-NH-CO-O-计算的氨基甲酸酯基含量; 分子量= 59）为2〜30wt。 ％，d）异氰脲酸酯基含量（以C3N3O3计算;分子量= 126）为0〜30wt。 ％和e）羧酸酯基含量（以-CO-O-计算;分子量= 44）为0〜25重量％。 ％和/或f）0至34重量％的碳酸酯基含量（以-O-CO-O-计算;分子量= 60） ％，条件是酯基e）和碳酸酯基团f）的总量为至少2重量％。 ％。 本发明还涉及生产这些多异氰酸酯混合物的方法及其用于生产聚氨酯的方法，特别是作为用于涂覆耐热基材的可热固化双组分聚氨酯粉末涂料中的交联组分。

    Uretdione powder coating cross-linking agents having a low melt viscosity
    2.
    发明授权
    Uretdione powder coating cross-linking agents having a low melt viscosity 失效
    具有低熔体粘度的Uretdione粉末涂料交联剂

    公开(公告)号：US5621064A

    公开(公告)日：1997-04-15

    申请号：US556549

    申请日：1995-11-29

    申请人： Hans-Josef Laas ,  Reinhard Halpaap ,  Hans-Ulrich Meier-Westhues ,  Wolfgang Schultz

    发明人： Hans-Josef Laas ,  Reinhard Halpaap ,  Hans-Ulrich Meier-Westhues ,  Wolfgang Schultz

    IPC分类号： C08G18/32 ,  C08G18/42 ,  C08G18/44 ,  C08G18/65 ,  C08G18/66 ,  C08G18/78 ,  C08G18/79 ,  C08G18/80 ,  C09D5/03 ,  C09D5/46 ,  C08G18/10

    CPC分类号： C08G18/798 ,  C08G18/8012 ,  C08G18/8064 ,  C08G18/808 ,  C08G2150/20

    摘要： The present invention relates to polyaddition compounds that are solid below 40.degree. C. and liquid above 125.degree. C. and contain, based on the weight of the polyaddition compounds,a) 0 to 2% by weight of free isocyanate groups (calculated as NCO; molecular weight=42),b) 3 to 16% by weight of uretdione groups (calculated as C.sub.2 N.sub.2 O.sub.2 ; molecular weight=84),c) 10 to 22% by weight of urethane groups (calculated as --NH--CO--O--; molecular weight=59).d) 0 to 20% by weight of carboxylic add ester groups (calculated as CO--O--; molecular weight=44) ande) of 0 to 25% by weight of carbonate groups (calculated as --O--CO--O--; molecular weight=60),provided that the total content of carboxylic add ester groups and carbonate groups is at least 1% by weight.The present invention also relates to a process for the preparation of these polyaddition compounds and to their use as a starting component for the manufacture of polyurethane plastics, especially as the cross-linking component in thermally cross-linkable two-component polyurethane powder coatings for heat-resistant substrates.

    摘要翻译： 本发明涉及固体低于40℃，液体高于125℃并含有基于加聚化合物的重量的加成化合物，a）0至2重量％的游离异氰酸酯基团（以NCO计算 ;分子量= 42），b）3至16重量％的脲二酮基团（以C 2 N 2 O 2计算;分子量= 84），c）10至22重量％的氨基甲酸酯基团（以-NH-CO-O- ;分子量= 59）。 d）0至20重量％的羧酸酯基（以CO-O-计算;分子量= 44）和e）0至25重量％的碳酸酯基团（以-O-CO-O-计算） 分子量= 60），条件是羧酸酯基和碳酸酯基的总含量为至少1重量％。 本发明还涉及一种制备这些加聚化合物的方法及其用作制备聚氨酯塑料的起始组分的用途，特别是作为用于热交联的双组分聚氨酯粉末涂料中的交联组分 耐性基材。

    Process for the production of light-colored uretdione polyisocyanates
    4.
    发明授权
    Process for the production of light-colored uretdione polyisocyanates 有权
    生产浅色脲二酮多异氰酸酯的方法

    公开(公告)号：US6043332A

    公开(公告)日：2000-03-28

    申请号：US129584

    申请日：1998-08-05

    申请人： Hans-Josef Laas ,  Reinhard Halpaap ,  Hans-Ulrich Meier-Westhues ,  Ulrich Freudenberg

    发明人： Hans-Josef Laas ,  Reinhard Halpaap ,  Hans-Ulrich Meier-Westhues ,  Ulrich Freudenberg

    IPC分类号： C08G18/02 ,  C08G18/16 ,  C08G18/79 ,  C08K5/524 ,  C09D5/46 ,  C08G18/00 ,  C07D229/00 ,  C07D273/00 ,  C08G18/08 ,  C08G18/22

    CPC分类号： C08G18/798 ,  C08G18/027 ,  C08G18/168 ,  C08K5/524 ,  C08G2150/20

    摘要： The present invention relates to a process for the production of polyisocyanates containing uretdione groups bya) oligomerizing a portion of the isocyanate groups of diisocyanates having aliphatically and/or cycloaliphatically bound isocyanate groups in the presence of catalysts or catalyst systems which accelerate the dimerization of isocyanate groups and in the presence of trisubstituted phosphite stabilizers corresponding to formula (I) ##STR1## b) optionally termination of the oligomerization reaction at a degree of oligomerization of 10 to 60% by adding a catalyst poison andc) optionally removing unreacted diisocyanate by extraction or thin-layer distillation.The present invention also relates to the use of the resulting uretdione polyisocyanates as a starting component for polyurethane plastics, particularly as an isocyanate component for the production of uretdione hardeners for powder coating compositions.

    摘要翻译： 本发明涉及一种通过以下方法生产含脲二酮基团的多异氰酸酯的方法：a）在催化剂或催化剂体系存在下使一部分具有脂族和/或环状结合的异氰酸酯基团的异氰酸酯基团的异氰酸酯基团低聚，这加快了异氰酸酯的二聚 并且在对应于式（I）的三取代的亚磷酸酯稳定剂的存在下，b）通过加入催化剂毒物以10至60％的低聚度任意地终止低聚反应，和c）任选地通过萃取或稀释除去未反应的二异氰酸酯， 层蒸馏。 本发明还涉及使用所得的脲二酮多异氰酸酯作为聚氨酯塑料的起始组分，特别是作为制备用于粉末涂料组合物的脲二酮硬化剂的异氰酸酯组分。

    Polyurethane powder coating compositions which have a low stoving temperature
    5.
    发明授权
    Polyurethane powder coating compositions which have a low stoving temperature 失效
    具有低烘烤温度的聚氨酯粉末涂料组合物

    公开(公告)号：US5847044A

    公开(公告)日：1998-12-08

    申请号：US834799

    申请日：1997-04-03

    申请人： Hans-Josef Laas ,  Hans-Ulrich Meier-Westhues ,  Reinhard Halpaap ,  Ulrich Freudenberg ,  Hans-Peter Klee

    发明人： Hans-Josef Laas ,  Hans-Ulrich Meier-Westhues ,  Reinhard Halpaap ,  Ulrich Freudenberg ,  Hans-Peter Klee

    IPC分类号： C08G18/18 ,  C08G18/20 ,  C08G18/32 ,  C08G18/40 ,  C08G18/42 ,  C08G18/79 ,  C09D5/03 ,  C09D5/46 ,  C09D175/04 ,  C08J3/00 ,  C08K3/20 ,  C08L75/00

    CPC分类号： C08G18/798 ,  C08G18/1858 ,  C08G18/2063 ,  C08G18/4219 ,  C08G2150/20 ,  Y10T428/31551

    摘要： The present invention relates to a polyurethane powder coating composition containing A) a binder component which is solid below 40.degree. C. and liquid above 130.degree. C. and has an OH number of 25 to 200 and a number average molecular weight of 400 to 10,000, B) a polyaddition compound which is solid below 40.degree. C. and liquid above 125.degree. C., contains uretdione groups and optionally free isocyanate groups and is prepared from aliphatic and/or cycloaliphatic diisocyanates and C) one or more catalysts containing N,N,N'-trisubstituted amidine groups which have an amidine group content (calculated as CN.sub.2 ; molecular weight=40) of 12.0 to 47.0 wt. %, provided that components A) and B) are present in amounts such that component B) has 0.6 to 1.4 isocyanate groups for each hydroxyl group present in component A) and the amount of component C) is 0.05 to 5 wt. %, based on the total weight of the coating composition. The present invention also relates to the use of this powder coating composition for coating heat resistant substrates.

    摘要翻译： 本发明涉及一种聚氨酯粉末涂料组合物，其包含A）粘合剂组分，其固体低于40℃，液体高于130℃，OH值为25至200，数均分子量为400至10,000 B）固体低于40℃，液体高于125℃的加聚化合物含有脲二酮基团和任选的游离异氰酸酯基团，并由脂族和/或脂环族二异氰酸酯制备，和C）一种或多种含N， 具有脒基含量（以CN2计算;分子量= 40）为12.0〜47.0重量％的N，N'-三取代脒基。 ％，条件是组分A）和B）的存在量使得组分B）对于组分A）中存在的每个羟基具有0.6至1.4个异氰酸酯基团，并且组分C）的量为0.05至5重量％ ％，基于涂料组合物的总重量。 本发明还涉及这种粉末涂料组合物用于涂覆耐热基材的用途。

    Matt polyurethane powder coatings and their use for coating heat resistant substrates
    6.
    发明授权
    Matt polyurethane powder coatings and their use for coating heat resistant substrates 失效
    马特聚氨酯粉末涂料及其用于涂覆耐热基材的用途

    公开(公告)号：US5811190A

    公开(公告)日：1998-09-22

    申请号：US794256

    申请日：1997-01-31

    申请人： Hans-Josef Laas ,  Hans-Ulrich Meier-Westhues ,  Reinhard Halpaap ,  Ulrich Freudenberg ,  Hans-Peter Klee

    发明人： Hans-Josef Laas ,  Hans-Ulrich Meier-Westhues ,  Reinhard Halpaap ,  Ulrich Freudenberg ,  Hans-Peter Klee

    IPC分类号： C08G18/38 ,  C08G18/42 ,  C08G18/58 ,  C08G18/65 ,  C08G18/79 ,  C08G18/80 ,  C09D5/00 ,  C09D5/03 ,  C09D5/46 ,  C09D175/00 ,  C09D175/04 ,  C09D175/06 ,  C08L33/06 ,  C08L67/02 ,  C08L75/04

    CPC分类号： C08G18/807 ,  C08G18/3825 ,  C08G18/4219 ,  C08G18/6541 ,  C08G18/792 ,  C08G18/8048 ,  C09D175/04 ,  C08G2150/20 ,  Y10S525/934 ,  Y10T428/31551

    摘要： The present invention relates to a powder coating composition for the production of matt coatings containing as binder A) a component having hydroxyl groups, B) a polyisocyanate having blocked and optionally free isocyanate groups, C) a component having carboxyl groups and/or carboxylic anhydride groups and contains one or more of the following: C1) aliphatic and/or cycloaliphatic dicarboxylic acids having 4 to 20 carbon atoms, C2) monomeric and/or polymeric anhydrides of dicarboxylic acids C1) and C3) aliphatic hydroxycarboxylic acids having 4 to 18 carbon atoms, and D) a component which has groups that are reactive with carboxyl groups and/or carboxylic anhydride groups wherein components A), B), C) and D) are present in amounts such that 1) 0.6 to 1.4 isocyanate groups of component B) are present for each hydroxyl group of component A), 2) 0.3 to 1.5 groups of component D) that are reactive with carboxyl groups and/or carboxylic anhydride groups are present for each carboxyl equivalent of component C) and 3) components C) and D) are present in an amount of 10 to 40 wt. %, based on the total weight of components A), B), C) and D). The invention further relates to heat resistant substrates coated with this powder coating composition.

    摘要翻译： 本发明涉及一种用于生产含有粘合剂的无光泽涂料的粉末涂料组合物，A）具有羟基的组分，B）具有封端和任意游离的异氰酸酯基团的多异氰酸酯，C）具有羧基和/或羧酸酐的组分 基团并且包含以下一种或多种：C1）具有4至20个碳原子的脂族和/或脂环族二羧酸，C2）二羧酸的单体和/或聚合酸酐C1）和C3）具有4至18个碳原子的脂族羟基羧酸 原子和D）具有与羧基和/或羧酸酐基团反应的基团的组分，其中组分A），B），C）和D）的存在量使得1）组分的0.6-1.4个异氰酸酯基 B）对于组分A）的每个羟基存在，2）对于每个羧基等同物存在与羧基和/或羧酸酐基团反应的0.3至1.5组的组分D） 组分C）和3）组分C）和D）以10〜40重量％的量存在。 ％，基于组分A），B），C）和D）的总重量。 本发明还涉及涂覆有该粉末涂料组合物的耐热基材。