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110 条记录 (耗时 0.024 秒)

    Process for recovering and recycling organic binder components from a coatings slurry
    1.
    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

    Polyhydroxyl compounds, a process for their production and their use in coating compositions
    2.
    发明授权
    Polyhydroxyl compounds, a process for their production and their use in coating compositions 失效
    多羟基化合物，其制备方法及其在涂料组合物中的应用

    公开(公告)号：US5422421A

    公开(公告)日：1995-06-06

    申请号：US93246

    申请日：1993-07-16

    申请人： Wieland Hovestadt ,  Gerhard Ruttmann ,  Martin Brahm ,  Harald Blum ,  Jurgen Meixner ,  Christian Wamprecht

    发明人： Wieland Hovestadt ,  Gerhard Ruttmann ,  Martin Brahm ,  Harald Blum ,  Jurgen Meixner ,  Christian Wamprecht

    IPC分类号： C09D201/00 ,  C08F220/26 ,  C08F220/28 ,  C08F283/02 ,  C08G18/62 ,  C08G18/63 ,  C08G63/00 ,  C09D133/06 ,  C09D151/00 ,  C09D151/08 ,  C09D175/04 ,  C08G63/08 ,  C08G63/82

    CPC分类号： C08G63/00 ,  C08F220/28 ,  C08G18/6229 ,  C08G18/631 ,  C08G18/638 ,  C09D133/066

    摘要： The present invention relates to a process for the production of polyhydroxyl compounds having a hydroxyl group content of 2 to 10% by weight and a viscosity at 23.degree. C. of 250 to 80,000 mPa.s by the radically initiated polymerization at a reaction temperature of 80.degree. to 220.degree. C. ofa) 100 parts by weight of a mixture of olefinically unsaturated monomers containing at least 1% by weight of monomers containing alcoholic hydroxyl groups in the presence ofb) 5 to 500 total parts by weight, which may be present at the beginning of the reaction or added during the reaction, of one or more cyclic compounds which, in the presence of initiator compounds containing alcoholic hydroxyl groups, are capable of a ring-opening polymerization reaction andc) 2 to 300 parts by weight, which may be present at the beginning of the reaction or added during the reaction, of one or more polyhydric alcohols having a molecular weight of 62 to 1000.The present invention also relates to the polyhydroxyl compounds obtained by this process and to their use in combination with suitable hardeners as binders for one-component or two-component coating compositions.

    摘要翻译： 本发明涉及一种生产羟基含量为2〜10重量％，在23℃下的粘度为250〜80,000mPa.s的多羟基化合物的方法，通过自由基引发的聚合反应， 80℃至220℃的a）100重量份的含有至少1重量％的含醇羟基的单体的烯属不饱和单体的混合物在b）5至500重量份的存在下，其可以 在反应开始时或在反应期间加入一种或多种环状化合物，其在含有醇羟基的引发剂化合物的存在下能够开环聚合反应，c）2〜300份 重量，其可以在反应开始时存在或在反应期间加入一种或多种分子量为62至1000的多元醇。本发明还涉及多羟基 通过该方法获得的化合物及其与合适的硬化剂的组合使用作为单组分或双组分涂料组合物的粘合剂。

    Binder mixtures for two-component polyurethane coating compositions
    3.
    发明授权
    Binder mixtures for two-component polyurethane coating compositions 失效
    用于双组分聚氨酯涂料组合物的粘合剂混合物

    公开(公告)号：US06001931A

    公开(公告)日：1999-12-14

    申请号：US927445

    申请日：1992-08-10

    申请人： Martin Brahm ,  Dieter Margotte ,  Christian Wamprecht ,  Wieland Hovestadt ,  Jurgen Meixner

    发明人： Martin Brahm ,  Dieter Margotte ,  Christian Wamprecht ,  Wieland Hovestadt ,  Jurgen Meixner

    IPC分类号： C08G18/62 ,  C08G18/65 ,  C08G18/78 ,  C08G18/79 ,  C09D175/04

    CPC分类号： C08G18/79 ,  C08G18/6229 ,  C08G18/6233 ,  C08G18/6254 ,  C08G18/6511 ,  C08G18/7831

    摘要： The present invention relates to binder mixtures for two-component polyurethane coating compositions which dry at room temperature and containa) a polyisocyanate component,b) a hydroxy-functional polyacrylate component based on a mixture of at least two hydroxyl group-containing poly(meth)acrylate resinsi) having a molecular weight (M.sub.n) of 1000 to 100,000,ii) having an at least bimodal molecular weight distribution,iii) prepared by radical copolymerization of olefinically unsaturated monomers in a solvent using monomer mixtures containing less than 50% by weight of monomers carrying hydroxyl groups andiv) wherein the hydroxyl group content of the component having the lowest molecular weight is at least 1.5 times the hydroxyl group content of the component having the highest molecular weight,c) optionally reactive diluents,wherein components a) and b) are present in an amount which corresponds to an NCO/OH equivalent ratio of 0.2:1 to 5:1.

    摘要翻译： 本发明涉及用于双组分聚氨酯涂料组合物的粘合剂混合物，其在室温下干燥并含有a）多异氰酸酯组分，b）基于至少两个含羟基的聚（甲基）丙烯酸酯的混合物的羟基官能聚丙烯酸酯组分 ）丙烯酸酯树脂i）具有1000至100,000的分子量（Mn），ii）具有至少双峰分子量分布，iii）通过烯烃不饱和单体在溶剂中使用包含小于50％的单体混合物的单体混合物 携带羟基的单体的重量和iv）其中具有最低分子量的组分的羟基含量为具有最高分子量的组分的羟基含量的至少1.5倍，c）任选的反应性稀释剂，其中组分a） 和b）以对应于0.2：1至5：1的NCO / OH当量比的量存在。

    Polyisocyanate mixtures, a process for their production and their use for the production of polyurethanes
    7.
    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。