知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

16 条记录 (耗时 0.02 秒)

    Preparation of a homogeneous, demixing-stable polyol component
    4.
    发明授权
    Preparation of a homogeneous, demixing-stable polyol component 失效
    制备均匀的，分层稳定的多元醇组分

    公开(公告)号：US6093342A

    公开(公告)日：2000-07-25

    申请号：US24786

    申请日：1998-02-17

    申请人： Peter Falke ,  Regina Hendreich ,  Marita Schuster ,  Bernd Zaschke

    发明人： Peter Falke ,  Regina Hendreich ,  Marita Schuster ,  Bernd Zaschke

    IPC分类号： C08G18/40 ,  C08G18/48 ,  C09K3/00

    CPC分类号： C08G18/4018 ,  C08G18/409 ,  C08G18/4804 ,  C08G2130/00

    摘要： A homogeneous, demixing-stable polyol component comprising at least two relatively high molecular weight compounds containing at least two reactive hydrogen atoms and, if desired, low molecular weight chain extenders and/or crosslinkers and also, if desired, blowing agents, catalysts and further auxiliaries and/or additives is prepared by adding at least one amine and at least one organic and/or modified organic isocyanate to this component.This polyol component is useful for producing polyurethanes, in particular compact and foamed polyurethanes.

    摘要翻译： 均匀的分层稳定的多元醇组分，其包含至少两种含有至少两个反应性氢原子的相对高分子量的化合物，如果需要的话，低分子量增链剂和/或交联剂，以及如果需要，发泡剂，催化剂和其它 通过向该组分中加入至少一种胺和至少一种有机和/或改性的有机异氰酸酯来制备助剂和/或添加剂。 该多元醇组分可用于生产聚氨酯，特别是紧凑和发泡的聚氨酯。

    Preparation of cellular polyurethanes
    5.
    发明授权
    Preparation of cellular polyurethanes 失效
    细胞聚氨酯的制备

    公开(公告)号：US5578653A

    公开(公告)日：1996-11-26

    申请号：US542249

    申请日：1995-10-12

    申请人： Regina Hendreich ,  Peter Falke ,  Dieter Tintelnot ,  Marion Wenzel

    发明人： Regina Hendreich ,  Peter Falke ,  Dieter Tintelnot ,  Marion Wenzel

    IPC分类号： C08J9/14 ,  C08G18/00

    CPC分类号： C08J9/142 ,  C08J2375/04

    摘要： A process for the production of cellular polyurethanes by reactinga) at least one organic and/or modified organic polyisocyanate,b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, if desiredc) low-molecular-weight chain extenders and/or crosslinking agents,in the presence ofd) blowing agents,e) catalysts, and, if desired,f) auxiliaries and/or additives,wherein the blowing agent d) is at least one acetal.

    摘要翻译： 通过使a）至少一种有机和/或改性的有机多异氰酸酯，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，如果需要的话，生产细胞聚氨酯的方法，c）低分子量 重量增链剂和/或交联剂，在d）发泡剂，e）催化剂的存在下，以及如果需要，f）助剂和/或添加剂，其中发泡剂d）为至少一种缩醛。

    Preparation of a homogeneous polyol component which is stable to separation
    6.
    发明授权
    Preparation of a homogeneous polyol component which is stable to separation 失效
    制备分离稳定的均相多元醇组分

    公开(公告)号：US6063308A

    公开(公告)日：2000-05-16

    申请号：US24787

    申请日：1998-02-17

    申请人： Peter Falke ,  Regina Hendreich ,  Ralf Fritz ,  Inge Rotermund

    发明人： Peter Falke ,  Regina Hendreich ,  Ralf Fritz ,  Inge Rotermund

    IPC分类号： C08G18/66 ,  C09K3/00

    CPC分类号： C08G18/66 ,  C08G2130/00

    摘要： A process for preparing a homogeneous polyol component which is stable to separation and consists of at least one compound of relatively high molecular weight having at least two reactive hydrogen atoms and low-molecular-weight chain extenders and/or crosslinkers and, if desired, of blowing agents, catalysts and other auxiliaries and/or additives comprises the addition to this component of at least one amine and at least one organic and/or modified organic isocyanate; the invention also provides the corresponding polyol component which is stable to separation.The use of this polyol component for preparing PUR, in particular compact or foamed PUR, is also described.

    摘要翻译： 制备均匀多元醇组分的方法，其对分离稳定并由至少一种具有至少两个反应性氢原子的低分子量增链剂和/或交联剂的相对高分子量的化合物组成，并且如果需要， 发泡剂，催化剂和其它助剂和/或添加剂包括向该组分加入至少一种胺和至少一种有机和/或改性的有机异氰酸酯; 本发明还提供了对分离稳定的相应的多元醇组分。 还描述了这种多元醇组分用于制备PUR，特别是致密或泡沫PUR的用途。

    Prepolymers containing isocyanate groups and a method for the production thereof
    7.
    发明授权
    Prepolymers containing isocyanate groups and a method for the production thereof 有权
    含有异氰酸酯基团的预聚物及其制备方法

    公开(公告)号：US06495652B1

    公开(公告)日：2002-12-17

    申请号：US09673046

    申请日：2000-10-09

    申请人： Michael Reichelt ,  Udo Rotermund ,  Renate Hempel ,  Peter Falke ,  Peter von Malotki ,  Holger Seifert

    发明人： Michael Reichelt ,  Udo Rotermund ,  Renate Hempel ,  Peter Falke ,  Peter von Malotki ,  Holger Seifert

    IPC分类号： C08G1876

    CPC分类号： C09K3/1021 ,  C08G18/10 ,  C08G18/5006 ,  C08G18/7664 ,  C08G2101/0008 ,  C08G2101/0025 ,  C08G2101/0083 ,  C08G18/6674

    摘要： Prepolymers which contain isocyanate groups, have an NCO content of at least 30.0% by weight and can be prepared by reacting an isocyanate mixture consisting predominantly of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates and having a proportion of two-ring isomers of not more than 74% by weight with at least 4-functional polyols or a mixture of polyols having a mean functionality of at least 4, where the polyols or polyol mixtures have a hydroxyl number of from 200 to 1650 mg KOH/g and a number average molecular weight of less than 1100 g/mol. The present invention also provides a process for preparing these prepolymers containing isocyanate groups, provides for their use for producing polyurethanes and provides a process for producing polyurethanes by reacting at least one novel prepolymer containing isocyanate groups, if desired in admixture with further organic and/or modified organic isocyanates (a), with compounds having at least two reactive hydrogen atoms (b) in the presence of, if desired, blowing agents (c), catalysts (d) and, if desired, further auxiliaries and/or additives (e).

    摘要翻译： 含有异氰酸酯基的预聚物的NCO含量至少为30.0重量％，可以通过使主要由二苯基甲烷二异氰酸酯和聚苯基聚亚甲基多异氰酸酯组成的异氰酸酯混合物与二苯基聚亚甲基多异氰酸酯的比例为不超过74％的双环异构体比例 重量与至少4-官能多元醇或平均官能度至少为4的多元醇的混合物，其中多元醇或多元醇混合物的羟值为200至1650mg KOH / g，数均分子量小于 1100g / mol。 本发明还提供了制备这些含有异氰酸酯基团的预聚物的方法，提供了它们用于生产聚氨酯的方法，并且提供了通过使至少一种含有异氰酸酯基团的新型预聚物（如果需要）与另外的有机和/或 如果需要，发泡剂（c），催化剂（d）和（如果需要的话）其它助剂和/或添加剂（e）的存在下，改性有机异氰酸酯（a），具有至少两个反应性氢原子的化合物（b） ）。

    Production of sound-absorbing polyurethane foams having an adhesive surface
    8.
    发明授权
    Production of sound-absorbing polyurethane foams having an adhesive surface 有权
    生产具有粘合剂表面的吸声聚氨酯泡沫

    公开(公告)号：US06337356B1

    公开(公告)日：2002-01-08

    申请号：US09578179

    申请日：2000-05-24

    申请人： Bernd Zaschke ,  Kirsten Schmaler ,  Peter Falke

    发明人： Bernd Zaschke ,  Kirsten Schmaler ,  Peter Falke

    IPC分类号： C08G1814

    CPC分类号： C08G18/4804 ,  C08G2101/0008 ,  C08G2101/0058 ,  C08G2101/0083 ,  C08G2350/00 ,  Y10S521/914

    摘要： In a process for producing sound-absorbing PUR foams having an adhesive surface by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f), the polyetherol mixture (b) comprises b1) at least one bifunctional to eight-functional polyetherol based on ethylene oxide and propylene oxide and having an OH number of from 20 to 80 mg KOH/g and a proportion of primary OH groups of >50%, b2) at least one polyetherol based on ethylene oxide and propylene oxide and/or butylene oxide and a bifunctional to eight-functional initiator and having an OH number of from 20 to 80 mg KOH/g, where the proportion of ethylene oxide in the polyetherol is >30% by weight, in amounts of from 10 to 50 parts by weight, and b3) at least one polyetherol based on propylene oxide and/or butylene oxide and, if desired, ethylene oxide and a bifunctional to eight-functional initiator and having an OH number of from 30 to 400 mg KOH/g, where the proportion of ethylene oxide in the polyetherol is

    摘要翻译： 在通过使有机和/或改性的有机多异氰酸酯（a）与聚乙烯醇混合物（b）反应生成吸附性PUR泡沫的方法中，如果需要，还需要具有氢原子的化合物（c） 异氰酸酯，在水和/或其它发泡剂（d），催化剂（e）和（如果需要的话）存在下，进一步的助剂和添加剂（f），聚醚醚混合物（b）包括b1）至少一种双官能至八官能 基于环氧乙烷和环氧丙烷的聚乙烯醇，OH数为20至80mg KOH / g，一级OH基团的比例> 50％，b2）至少一种基于环氧乙烷和环氧丙烷的聚醚酯和/或 环氧丁烷和双官能至八官能引发剂，OH值为20至80mg KOH / g，其中聚醚醚基中环氧乙烷的比例> 30重量％，其量为10至50重量份 重量，和b3）至少一种基于的聚醚 环氧丙烷和/或环氧丁烷，如果需要，环氧乙烷和双官能的八官能引发剂，OH值为30-400mg KOH / g，其中环氧乙烷在聚醚中的比例<30％ 该方法生产的吸声PUR泡沫可用作阻尼材料。

    Preparation of low-density hydrophilic flexible polyurethane foams
    10.
    发明授权
    Preparation of low-density hydrophilic flexible polyurethane foams 有权
    低密度亲水性柔性聚氨酯泡沫的制备

    公开(公告)号：US06586486B2

    公开(公告)日：2003-07-01

    申请号：US10047640

    申请日：2002-01-15

    申请人： Peter Falke ,  Heinz-Dieter Lutter ,  Michael J. Pcolinski

    发明人： Peter Falke ,  Heinz-Dieter Lutter ,  Michael J. Pcolinski

    IPC分类号： C08G1814

    CPC分类号： C08G18/165 ,  C08G18/4812 ,  C08G2101/0008 ,  C08G2101/005 ,  C08G2101/0083

    摘要： Low-density hydrophilic flexible polyurethane foams are prepared by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if required, further compounds (c) having hydrogen atoms reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if required, further assistants and additives (f), by a process in which the polyetherol mixture (b) consists of b1) at least one difunctional or polyfunctional polyetherol based on propylene oxide and/or butylene oxide and ethylene oxide, having an ethylene oxide content of more than 40% by weight, based on the total amount of alkylene oxide used, an OH number of from 20 to 120 mg KOH/g and a proportion of primary OH groups of more than 20% and b2) at least one difunctional or polyfunctional polyetherol based on propylene oxide and/or butylene oxide and, if required, ethylene oxide, the ethylene oxide content being not more than 40% by weight, and having an OH number of more than 25 mg KOH/g, water in amounts of up to 15% by weight, based on the total weight of the components (b) to (f), and a mixture of gel catalysts and blowing catalysts are used and the foaming is effected in an index range of from 20 to 120. Furthermore, the flexible polyurethane foams themselves produced in this manner are used as upholstery material, as energy-absorbing material and in the cosmetics and hygiene sectors.

    摘要翻译： 通过使有机和/或改性的有机多异氰酸酯（a）与聚乙烯醇混合物（b）反应制备低密度亲水性柔性聚氨酯泡沫，并且如果需要，在水的存在下，具有氢原子对异氰酸酯具有反应性的其它化合物（c） 和/或其它发泡剂（d），催化剂（e）以及如果需要的话，其它辅助剂和添加剂（f），其中聚醚醚混合物（b）由以下组分组成的方法组成：b）至少一种基于以下组分的双官能或多官能聚醚 环氧丙烷和/或环氧丁烷和环氧乙烷，其环氧乙烷含量大于40重量％，基于所使用的环氧烷的总量，OH值为20至120mg KOH / g， 基于环氧丙烷和/或环氧丁烷的至少一种双官能或多官能聚醚醚，并且如果需要，环氧乙烷，环氧乙烷含量不超过40重量％，并且具有 OH麻木 呃大于25mg KOH / g，基于组分（b）至（f）的总重量，至多15重量％的水，以及凝胶催化剂和发泡催化剂的混合物，并且 发泡在20至120的指数范围内进行。此外，以这种方式生产的柔性聚氨酯泡沫本身被用作作为能量吸收材料的装饰材料和化妆品和卫生领域。