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    Method for Producing Polyether Alcohols
    3.
    发明申请
    Method for Producing Polyether Alcohols 审中-公开
    生产聚醚醇的方法

    公开(公告)号：US20090005533A1

    公开(公告)日：2009-01-01

    申请号：US11910936

    申请日：2006-04-05

    申请人： Stefan Dinsch ,  Jurgen Winkler ,  Gerd Hoppner ,  Holger Seifert

    发明人： Stefan Dinsch ,  Jurgen Winkler ,  Gerd Hoppner ,  Holger Seifert

    IPC分类号： C08G65/26

    CPC分类号： C08G18/4883 ,  C08G65/2606 ,  C08G65/2648 ,  C08G65/2651 ,  C08G65/2696

    摘要： The invention relates to a process for preparing polyether alcohols by catalytic addition of alkylene oxides onto a starter substance mixture comprising water-soluble H-functional starter substances which are solid at room temperature, alcohols which are liquid at the reaction temperature and water using alkali metal hydroxides and/or alkaline earth metal hydroxides as catalysts, wherein the amount of water is from 1.0 to 6.0% by weight, based on the weight of the starter substance mixture, and the starter substance mixture comprises no amine constituents.

    摘要翻译： 本发明涉及通过将环氧烷催化加成到起始物质混合物上制备聚醚醇的方法，该起始物质混合物包括在室温下为固体的水溶性H官能起始物质，在反应温度下为液体的醇和使用碱金属的水 氢氧化物和/或碱土金属氢氧化物作为催化剂，其中水的量为起始物质混合物重量的1.0至6.0重量％，起始物质混合物不包含胺组分。

    Production of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their use
    5.
    发明授权
    Production of CFC-free polyurethane rigid foams having a reduced thermal conductivity and their use 失效
    生产具有降低的热导率的不含CFC的聚氨酯硬质泡沫塑料及其用途

    公开(公告)号：US5750586A

    公开(公告)日：1998-05-12

    申请号：US850354

    申请日：1997-05-02

    申请人： Stefan Adams ,  Holger Seifert

    发明人： Stefan Adams ,  Holger Seifert

    IPC分类号： F25D23/08 ,  C08G18/10 ,  C08G18/42 ,  C08G101/00 ,  C08J9/02 ,  C08J9/14

    CPC分类号： C08J9/149 ,  C08G18/10 ,  C08G18/42 ,  C08G18/425 ,  C08J9/141 ,  C08G2101/0025 ,  C08G2101/005 ,  C08J2375/04

    摘要： A process for producing CFC-free polyurethane rigid foams having reduced thermal conductivity comprises reacting a) isocyanate semiprepolymers modified with urethane groups and containing from 31 to 20% by weight of NCO, based on aromatic polyisocyanates and at least one aromatic and/or preferably aliphatic polyester-polyol having a hydroxyl number of from 22 to 400, b) at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms, which advantageously have arylene units bonded to them, and, if desired, c) low molecular weight chain extenders and/or crosslinkers in the presence of d) blowing agents, preferably cyclopentane and/or cyclohexane in combination with water, e) catalysts and, if desired, f) additives. The CFC-free polyurethane rigid foams are preferably used as insulation material in refrigeration appliances and as insulation in composite and heating elements, for example for insulating remote heating pipes.

    摘要翻译： 制备具有降低的热导率的不含CFC的聚氨酯硬质泡沫体的方法包括使a）基于芳族多异氰酸酯和至少一种芳族和/或优选脂族烃的基于芳族多异氰酸酯和（A）芳族聚异氰酸酯的反应，a）与氨基甲酸酯基团改性并含有31至20重量％的NCO的异氰酸酯半量 羟基数为22〜400的聚酯多元醇，b）至少一种含有至少两个反应性氢原子的相对高分子量的化合物，其有利地具有与它们结合的亚芳基单元，如果需要，c）低分子量 扩链剂和/或交联剂，d）发泡剂，优选环戊烷和/或环己烷与水的组合，e）催化剂，如果需要，f）添加剂。 无CFC的聚氨酯硬质泡沫优选用作制冷设备中的绝缘材料，并用作复合和加热元件中的绝缘材料，例如用于隔离远程加热管道。

    Prepolymers containing isocyanate groups
    7.
    发明授权
    Prepolymers containing isocyanate groups 失效
    含异氰酸酯基团的预聚物

    公开(公告)号：US5556891A

    公开(公告)日：1996-09-17

    申请号：US551508

    申请日：1995-11-01

    申请人： Holger Seifert ,  Juergen Winkler ,  Regina Pretzsch ,  Robert O'Meara

    发明人： Holger Seifert ,  Juergen Winkler ,  Regina Pretzsch ,  Robert O'Meara

    IPC分类号： C08G18/12 ,  C08G18/40 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08G65/333 ,  C08G18/22

    CPC分类号： C08G65/33348 ,  C08G18/12 ,  C08G18/4018 ,  C08G18/482 ,  C08G18/5033 ,  C08G18/66 ,  C08G2101/00

    摘要： The invention relates to prepolymers containing isocyanate groups which can be prepared by reactinga) organic isocyanates withb) polyetherols containing at least 2 hydroxyl groups per molecule and having molecular weights of greater than 400 and/or polyesterols containing at least 2 hydroxyl groups per molecule and having molecular weights of greater than 400,c) isocyanate-reactive compounds which are at least difunctional and have molecular weights of from 18 to 399, and, if desired,d) Lewis and/or Bronsted acidic compounds ande) conventional auxiliaries and additives, such as antioxidants, light stabilizers or fillers,wherein at least one aromatic aminopolyether alcohol of the formula ##STR1## where R is aryl, alkylaryl containing one or more C.sub.1 - to C.sub.4 -alkyl groups, haloaryl, nitroaryl or cyanoaryl,R' and R" are identical or different and are, independently of one another, hydrogen, alkyl, aryl, aralkyl, alkoxyalkyl, alkoxyaryl or aroxyaryl,x and y are independent of one another andx+y.gtoreq.10,z is from 1 to 4,is employed as a further component, their preparation and their use for the preparation of compact or cellular polyurethanes.

    摘要翻译： 本发明涉及含有异氰酸酯基团的预聚物，其可通过以下方法制备：a）有机异氰酸酯与b）每分子含有至少2个羟基并且分子量大于400的聚醚酯和/或每分子含有至少2个羟基的聚酯 并且具有大于400的分子量，c）异氰酸酯反应性化合物，其至少是双官能的并且具有18至399的分子量，并且如果需要，d）路易斯和/或Br + E，uml o + EE nsted 酸性化合物和e）常规助剂和添加剂，例如抗氧化剂，光稳定剂或填料，其中至少一种下式的芳族氨基聚醚醇，其中R是芳基，含有一个或多个C 1〜C 4 - 烷基的烷基芳基， 卤代芳基，硝基芳基或氰基芳基，R'和R“相同或不同，彼此独立地为氢，烷基，芳基，芳烷基，烷氧基烷基，烷氧基芳基或芳酰基，x和y独立 并且x + y> / = 10，z为1至4，被用作另外的组分，它们的制备及其用于制备紧密或细胞聚氨酯的用途。

    Prepolymers containing isocyanate groups
    8.
    发明授权
    Prepolymers containing isocyanate groups 失效
    含异氰酸酯基团的预聚物

    公开(公告)号：US5530154A

    公开(公告)日：1996-06-25

    申请号：US442739

    申请日：1995-05-17

    申请人： Holger Seifert ,  Juergen Winkler ,  Regina Pretzsch ,  Robert O'Meara

    发明人： Holger Seifert ,  Juergen Winkler ,  Regina Pretzsch ,  Robert O'Meara

    IPC分类号： C08G18/12 ,  C08G18/40 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08G65/333 ,  C08G18/10 ,  C07C261/00

    CPC分类号： C08G65/33348 ,  C08G18/12 ,  C08G18/4018 ,  C08G18/482 ,  C08G18/5033 ,  C08G18/66 ,  C08G2101/00

    摘要： The invention relates to prepolymers containing isocyanate groups which can be prepared by reactinga) organic isocyanates withb) polyetherols containing at least 2 hydroxyl groups per molecule and having molecular weights of greater than 400 and/or polyesterols containing at least 2 hydroxyl groups per molecule and having molecular weights of greater than 400,c) isocyanate-reactive compounds which are at least difunctional and have molecular weights of from 18 to 399, and, if desired,d) Lewis and/or Bronsted acidic compounds ande) conventional auxiliaries and additives, such as antioxidants, light stabilizers or fillers,wherein at least one aromatic aminopolyether alcohol of the formula ##STR1## where R is aryl, alkylaryl containing one or more C.sub.1 - to C.sub.4 -alkyl groups, haloaryl, nitroaryl or cyanoaryl,R' and R" are identical or different and are, independently of one another, hydrogen, alkyl, aryl, aralkyl, alkoxyalkyl, alkoxyaryl or aroxyaryl,x and y are independent of one another andx+y.ltoreq.10,Z is from 1 to 4,is employed as a further component, their preparation and their use for the preparation of compact or cellular polyurethanes.

    摘要翻译： 本发明涉及含有异氰酸酯基团的预聚物，其可通过以下方法制备：a）有机异氰酸酯与b）每分子含有至少2个羟基并且分子量大于400的聚醚酯和/或每分子含有至少2个羟基的聚酯 并且具有大于400的分子量，c）异氰酸酯反应性化合物，其至少是双官能的并且具有18至399的分子量，并且如果需要，d）路易斯和/或布朗斯台德酸性化合物，和e）常规助剂和 添加剂，例如抗氧化剂，光稳定剂或填料，其中至少一种下式的芳族氨基聚醚醇，其中R是芳基，含有一个或多个C 1至C 4烷基的烷基芳基，卤代芳基，硝基芳基或氰基芳基，R' 和R“相同或不同，彼此独立地为氢，烷基，芳基，芳烷基，烷氧基烷基，烷氧基芳基或芳酰基，x和y独立于一个 其中x和y +为10，Z为1至4，用作另外的组分，它们的制备及其用于制备紧密或细胞聚氨酯的用途。

    RIGID POLYURETHANE FOAMS
    9.
    发明申请
    RIGID POLYURETHANE FOAMS 有权
    刚性聚氨酯泡沫塑料

    公开(公告)号：US20100016461A1

    公开(公告)日：2010-01-21

    申请号：US12522002

    申请日：2008-01-09

    申请人： Holger Seifert ,  Johann Klassen ,  Louis Du Rieu ,  Werner Wiegmann ,  Guenter Matzke

    发明人： Holger Seifert ,  Johann Klassen ,  Louis Du Rieu ,  Werner Wiegmann ,  Guenter Matzke

    IPC分类号： C08G18/72

    CPC分类号： C08G18/7664 ,  C08G18/4804 ,  C08G18/797

    摘要： The invention relates to rigid polyurethane foams which can be produced by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reacted toward isocyanate groups in the presence of c) blowing agents,  wherein the polyisocyanate a) used is a mixture of diphenylmethane diisocyanate and polyphenylenepolymethylene polyisocyanates comprising a1) 30-35% by weight of diphenylmethane diisocyanate, a2) 21-28% by weight of polyphenylenepolymethylene polyisocyanate having three aromatic rings, a3) 8-13% by weight of polyphenylenepolymethylene polyisocyanate having four aromatic rings, a4) 24-41% by weight of polyphenylenepolymethylene polyisocyanate having five or more aromatic rings, where the percentages by weight of the components a1) to a4) are based on the total weight of the components a1) to a4) and add up to 100% by weight.

    摘要翻译： 本发明涉及硬质聚氨酯泡沫体，其可通过使a）多异氰酸酯与b）在c）发泡剂存在下与至少两个氢原子反应的化合物反应而制备，其中使用的多异氰酸酯a）是混合物 二苯基甲烷二异氰酸酯和聚亚苯基多亚甲基多异氰酸酯，其包含a1）30-35重量％的二苯基甲烷二异氰酸酯，a2）21-28重量％的具有三个芳环的聚亚苯基多亚甲基多异氰酸酯，a3）8-13重量％的具有四个芳环的聚苯基聚亚甲基多异氰酸酯 ，a4）24-41重量％的具有五个或更多个芳环的聚亚苯基多亚甲基多异氰酸酯，其中组分a1）至a4）的重量百分比基于组分a1）至a4的总重量），并加起来 100重量％。

    Preparation of polyurethanes having improved curing
    10.
    发明授权
    Preparation of polyurethanes having improved curing 失效
    改进固化的聚氨酯的制备

    公开(公告)号：US6100308A

    公开(公告)日：2000-08-08

    申请号：US900497

    申请日：1997-07-25

    申请人： Bernd Guettes ,  Stefan Dinsch ,  Gottfried Knorr ,  Holger Seifert

    发明人： Bernd Guettes ,  Stefan Dinsch ,  Gottfried Knorr ,  Holger Seifert

    IPC分类号： C08J9/12 ,  C08G18/50 ,  C08G18/65 ,  C08G101/00 ,  C08G18/48

    CPC分类号： C08G18/5033 ,  C08G2101/0025 ,  C08G2101/0041 ,  C08G2101/0083

    摘要： Polyurethanes having improved curing are prepared by reactinga) organic and/or modified organic diisocyanates and/or polyisocyanates withb) polyether polyols based on aromatic amines, able to be prepared by reacting specific amine combinations and, if desired, further coinitiators in a stage wise molecular addition of alkylene oxide, and also, if desired, further relatively high molecular weight compounds containing at least two reactive hydrogen atoms and, if desired,c) low molecular weight chain extenders and/or crosslinkers in the presence ofd) blowing agents,e) catalysts and, if desired,f) further auxiliaries and/or additives,wherein the specific amine combination used is a mixture of amines of the diphenylmethane series consisting of from 5 to 20% by weight of 4-ring amine, from 15 to 30% by weight of 3-ring amine, from 20 to 35% by weight of amines having more than 4 rings and from 25 to 50% by weight of 2-ring amine, wherein the proportions add up to 100% by weight, in combination with further aromatic amines.

    摘要翻译： 具有改进的固化的聚氨酯通过使a）有机和/或改性的有机二异氰酸酯和/或多异氰酸酯与b）基于芳族胺的聚醚多元醇反应制备，所述聚醚多元醇可以通过使特定的胺组合反应制备，如果需要， 并且如果需要，还含有至少两个反应性氢原子的进一步相对高分子量化合物，如果需要，c）在d）发泡剂存在下的低分子量增链剂和/或交联剂 ，e）催化剂，如果需要，f）其它助剂和/或添加剂，其中所用的特定胺组合是由5至20重量％的4-环胺组成的二苯基甲烷系列的胺的混合物，15 至30重量％的3-环胺，20至35重量％的具有多于4个环的胺和25至50重量％的2-环胺，其中所述比例加至100重量％ 在公司 与进一步的芳香胺混合。