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    Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes
    24.
    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。

    Process for recovering and recycling organic binder components from a coatings slurry
    25.
    发明授权
    Process for recovering and recycling organic binder components from a coatings slurry 失效
    从涂料浆料中回收和回收有机粘合剂成分的方法

    公开(公告)号：US5281629A

    公开(公告)日：1994-01-25

    申请号：US15728

    申请日：1993-02-10

    申请人： Wieland Hovestadt ,  Lothar Kahl ,  Juergen Meixner ,  Christian Wamprecht ,  Volker Schneider ,  Manfred Schoenfelder

    发明人： Wieland Hovestadt ,  Lothar Kahl ,  Juergen Meixner ,  Christian Wamprecht ,  Volker Schneider ,  Manfred Schoenfelder

    IPC分类号： B05B15/04 ,  C08G18/00 ,  C08G18/08 ,  C08G18/82 ,  C08J11/00 ,  C08J11/04 ,  C09D5/03 ,  C09D5/46 ,  C09D7/00 ,  C09D7/14 ,  C09D175/00 ,  C09D175/04 ,  C08G18/14

    CPC分类号： C09D7/008 ,  C08J11/00

    摘要： The present invention relates to a process for recovering and recycling the organic binder components accumulating during the spraying of a solvent-containing, two-component polyurethane coating or a solvent-containing, moisture-curing one-component polyurethane coating byi) forming a coatings slurry containing the organic binder components, water and a coagulating agent,ii) mixing the coatings slurry, optionally after removing a portion of the water, with an organic solvent which is inert towards isocyanate groups,iii) reacting the free isocyanate groups present in the mixture obtained in step (ii) with a compound containing one isocyanate-reactive group which is more reactive with isocyanate groups than both water and the isocyanate-reactive component of the two-component polyurethane coating, if present, andiv) removing any remaining water and insoluble components from the organic phase accumulating in step (iii) and recovering the organic phase containing the organic binder components.

    摘要翻译： 本发明涉及一种在含有溶剂的双组分聚氨酯涂层或含溶剂的湿固化单组分聚氨酯涂层中积累的有机粘合剂组分的回收和再循环方法，该方法为：i）形成涂层 含有有机粘合剂组分的浆料，水和凝结剂，ii）任选地在除去一部分水之后将涂料浆料与对异氰酸酯基团呈惰性的有机溶剂混合，iii）使存在于 （ii）中得到的混合物与含有一个与异氰酸酯基反应的异氰酸酯反应性基团的化合物比双组分聚氨酯涂层的水和异氰酸酯反应性组分（如果存在）和iv）除去任何剩余的水 和来自步骤（iii）中积累的有机相的不溶性组分，并回收含有有机粘合剂的有机相 贱人

    Copolymers containing amino groups and a process for their production
    26.
    发明授权
    Copolymers containing amino groups and a process for their production 失效
    含有氨基的共聚物及其生产方法

    公开(公告)号：US5064922A

    公开(公告)日：1991-11-12

    申请号：US573611

    申请日：1990-08-27

    申请人： Christian Wamprecht ,  Josef Pedain ,  Harald Blum

    发明人： Christian Wamprecht ,  Josef Pedain ,  Harald Blum

    IPC分类号： C08F222/40 ,  C08F8/32 ,  C08F22/36 ,  C08F246/00 ,  C09D157/04

    CPC分类号： C09D157/04 ,  C08F8/32

    摘要： The present invention relates to copolymers having a weight average molecular weight (M.sub.w) of 1500 to 75,000, prepared from olefinically unsaturated compounds and containing 0.1 to 4.5% by weight of primary amino groups in the form of structural units corresponding to formula I ##STR1## wherein Q is a saturated aliphatic-cycloaliphatic hydrocarbon radical of the type obtained by removing the amino groups from an aliphatic-cycloaliphatic diprimary diamine containing an amino group attached to a primary carbon atom and an amino group attached to a secondary or tertiary carbon atom.The present invention also relates to a process for the production of these copolymers.

    摘要翻译： 本发明涉及由烯属不饱和化合物制备的重均分子量（Mw）为1500至75,000的共聚物，并且含有0.1-4.5％（重量）的以式I表示的结构单元形式的伯氨基。 （I）其中Q是通过从包含连接到伯碳原子的氨基和连接到仲碳或叔碳上的氨基的脂族 - 脂环族二元二胺除去氨基而获得的类型的饱和脂族 - 脂环族烃基 原子。 本发明还涉及制备这些共聚物的方法。

    Moisture-hardening binder compositions containing copolymers and blocked polyamines
    27.
    发明授权
    Moisture-hardening binder compositions containing copolymers and blocked polyamines 失效
    含有共聚物和封端多胺的水分硬化粘合剂组合物

    公开(公告)号：US5045602A

    公开(公告)日：1991-09-03

    申请号：US511671

    申请日：1990-04-20

    申请人： Christian Wamprecht ,  Harald Blum ,  Josef Pedain

    发明人： Christian Wamprecht ,  Harald Blum ,  Josef Pedain

    IPC分类号： C08L25/00 ,  C08K5/17 ,  C08L29/10 ,  C08L31/02 ,  C08L31/04 ,  C08L33/04 ,  C08L33/06 ,  C08L79/02 ,  C09D133/06

    CPC分类号： C08L79/02 ,  C09D133/064 ,  C08L33/064

    摘要： The present invention relates to moisture-hardening binder compositions containingA) 30 to 99 parts by weight of a component based on at least one copolymer prepared from olefinically unsaturated compounds having a weight average molecular weight of about 1,500 to 75,000 and containing chemically incorporated groups which are reactive with amino groups in an addition reaction andB) 1 to 70 parts by weight of a polyamine component based on at least one organic polyamine containing blocked amino groups.characterized in that the copolymers of component A) contain both intramolecular carboxylic anhydride groups and also carbonate groups in chemically bound form, the anhydride equivalent weight of the copolymers being 327 to 9,800 and the carbonate equivalent weight of the copolymers being 465 to 18,600, component A) containing a total of 0.2 to 8 anhydride and carbonate groups for each blocked amino group present in component B).

    摘要翻译： 本发明涉及湿固化粘合剂组合物，其包含A）30至99重量份的基于由烯属不饱和化合物制备的至少一种共聚物的组分，其重均分子量为约1,500至75,000，并含有化学引入基团， 在加成反应中与氨基反应，B）1至70重量份基于至少一个含有封闭氨基的有机多胺的多胺组分。 其特征在于组分A）的共聚物含有化学结合形式的分子内羧酸酐基团和碳酸酯基团，共聚物的酸酐当量为327至9,800，共聚物的碳酸当量为465至18,600，组分A ），对于组分B）中存在的每个封闭的氨基，总共含有0.2至8个酸酐和碳酸酯基团。

    Process for the preparation of moisture hardening binder combinations, the combinations obtainable by this process and their use
    28.
    发明授权
    Process for the preparation of moisture hardening binder combinations, the combinations obtainable by this process and their use 失效
    制备湿润固化粘合剂组合的方法，可通过该方法获得的组合及其用途

    公开(公告)号：US4970270A

    公开(公告)日：1990-11-13

    申请号：US504733

    申请日：1990-04-02

    申请人： Harald Blum ,  Josef Pedain ,  Christian Wamprecht

    发明人： Harald Blum ,  Josef Pedain ,  Christian Wamprecht

    IPC分类号： C08L77/00 ,  C08F8/32 ,  C08K5/34 ,  C08K5/3445 ,  C08K5/3462 ,  C08K5/35 ,  C08L33/06 ,  C08L35/00 ,  C09D7/12 ,  C09D133/06 ,  C09D135/00 ,  C09D177/00 ,  C09D201/06

    CPC分类号： C09D133/064 ,  C08F8/32 ,  C08K5/3445 ,  C08K5/3462 ,  C08K5/35 ,  C09D135/00

    摘要： Moisture hardening binders for lacquer and coating compositions are prepared by mixing with exclusion of moisture, and with or without reacting:(A) 30 to 99 parts by weight of at least one compound containing at least two intramolecular carboxylic acid anhydride moieties with(B) 1 to 70 parts by weight of organic compounds containing blocked amino groups from which free primary aminos, secondary aminos or both are formed under the influence of moisture characterized in that compounds (B) are organic compounds containing hexahydropyrimidine or tetrahydroimidazole moieties, with or without other blocked amino moieties in addition to the hexahydropyrimidine or tetrahydroimidazole moieties, the quantitative proportions of the individual components (A) and (B) being so chosen, taking into account any spontaneous addition reaction which may take place between components (A) and (B) in the absence of moisture, such that the resulting composition contains from 0.25 to 50 anhydride moieties for each hexahydropyrimidine or tetrahydroimidazole moiety.

    摘要翻译： 用于漆和涂料组合物的水分硬化粘合剂通过混合排除水分，并且反应而制备：（A）30至99重量份的至少一种含有至少两个分子内羧酸酐部分的化合物与（B） 1至70重量份的含有封闭氨基的有机化合物，其中在水分的影响下形成游离的初级氨基，次氨基或两者，其特征在于化合物（B）是含有六氢嘧啶或四氢咪唑部分的有机化合物，具有或不具有其它 除了六氢嘧啶或四氢咪唑部分之外，封闭的氨基部分，考虑到组分（A）和（B）之间可能发生的任何自发加成反应，如此选择单独组分（A）和（B）的定量比例， 在没有水分的情况下，使得所得组合物含有0.25至50个酸酐部分f 或每个六氢嘧啶或四氢咪唑部分。