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    Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures
    3.
    发明授权
    Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures 失效
    使用含有氨基甲酸酯基团的二苯基甲烷二异氰酸酯基聚异氰酸酯混合物和改性多异氰酸酯混合物制备不含氯氟烃的柔性聚氨酯泡沫体

    公开(公告)号：US5597885A

    公开(公告)日：1997-01-28

    申请号：US430926

    申请日：1995-06-07

    申请人： Heinz-Dieter Lutter ,  Bernd Bruchmann ,  Claudia Spang ,  Roland Minges ,  Dietrich Scherzer ,  Michael Lugmayr ,  Ruth Zschiesche

    发明人： Heinz-Dieter Lutter ,  Bernd Bruchmann ,  Claudia Spang ,  Roland Minges ,  Dietrich Scherzer ,  Michael Lugmayr ,  Ruth Zschiesche

    IPC分类号： C08G18/12 ,  C08G18/48 ,  C08G18/10

    CPC分类号： C08G18/4812 ,  C08G18/12 ,  C08G2101/0008 ,  C08G2101/005 ,  C08G2101/0058 ,  C08G2101/0083

    摘要： The invention relates to a process for the preparation of CFC-free, flexible polyurethane foams or molded foams by reactingA) liquid polyisocyanate mixtures containing bonded urethane groups and having a content of NCO groups of from 20 to 30% by weight, these mixtures themselves being prepared by reacting a mixture of diphenylmethane diisocyanates and polyphenyl-polymethylene polyisocyanates (crude diphenylmethane diisocyanate) with a polyether-polyol mixture, having a hydroxyl number of from 120 to 25, of at least one polyoxypropylene glycol and at least one trifunctional polyoxypropylene-polyoxyethylene glycol having a content of ethylene oxide units of from 90 to 10% by weight or by reacting 4,4'-diphenylmethane diisocyanate (diphenylmethyl diisocyanate) or an diphenylmethane diisocyanate isomer mixture with said polyether-polyol mixture to give an NCO-containing quasi-prepolymer and diluting this quasi-prepolymer with crude diphenylmethane diisocyanate, withB) relatively high-molecular-weight polyhydroxyl compounds.

    摘要翻译： 本发明涉及一种制备无CFC的柔性聚氨酯泡沫或模制泡沫的方法，其通过使A）含有键合的氨基甲酸酯基团的液体多异氰酸酯混合物并且具有20至30重量％的NCO基团的含量，这些混合物本身 通过使二苯基甲烷二异氰酸酯和聚苯基 - 多亚甲基多异氰酸酯（粗二苯基甲烷二异氰酸酯）与羟基数为120至25的聚醚 - 多元醇混合物的混合物与至少一种聚氧丙烯二醇和至少一种三官能聚氧丙烯 - 聚氧乙烯 乙二醇的含量为90〜10重量％的环氧乙烷单元，或通过使4,4'-二苯基甲烷二异氰酸酯（二苯基甲基二异氰酸酯）或二苯基甲烷二异氰酸酯异构体混合物与所述聚醚 - 多元醇混合物反应，得到含NCO的准 - 预聚物，并用粗二苯基甲烷二异氰酸酯稀释该准预聚物，B）相对较高 小重量多羟基化合物。

    Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of this type
    4.
    发明授权
    Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of this type 失效
    使用含有氨基甲酸酯基团的二苯基甲烷二异氰酸酯基聚异氰酸酯混合物和该类型的改性多异氰酸酯混合物制备不含氟氯化碳的柔性聚氨酯泡沫体

    公开(公告)号：US5596063A

    公开(公告)日：1997-01-21

    申请号：US430924

    申请日：1995-06-08

    申请人： Heinz-Dieter Lutter ,  Bernd Bruchmann ,  Claudia Spang ,  Roland Minges ,  Dietrich Scherzer ,  Michael Lugmayr ,  Ruth Zschiesche

    发明人： Heinz-Dieter Lutter ,  Bernd Bruchmann ,  Claudia Spang ,  Roland Minges ,  Dietrich Scherzer ,  Michael Lugmayr ,  Ruth Zschiesche

    IPC分类号： C08G18/12 ,  C08G18/48 ,  C08G18/10

    CPC分类号： C08G18/4812 ,  C08G18/12 ,  C08G2101/0008 ,  C08G2101/005 ,  C08G2101/0058 ,  C08G2101/0083

    摘要： The invention relates to a process for the preparation of CFC-free, flexible polyurethane foams or molded foams by reactingA) liquid polyisocyanate mixtures containing bonded urethane groups and having a content of NCO groups of from 20 to 30% by weight, these mixtures themselves being prepared by reacting a mixture of diphenylmethane diisocyanates and polyphenyl-polymethylene polyisocyanates (crude diphenylmethane diisocyanate) with a polyether-polyol mixture, having a hydroxyl number of from 120 to 25, of at least one polyoxypropylene glycol and at least one trifunctional polyoxypropylene-polyoxyethylene glycol having a content of ethylene oxide units of from 90 to 10% by weight or by reacting 4,4'-diphenylmethane diisocyanate (diphenylmethyl diisocyanate) or an diphenylmethane diisocyanate isomer mixture with said polyether-polyol mixture to give an NCO-containing quasi-prepolymer and diluting this quasi-prepolymer with crude diphenylmethane diisocyanate, withB) relatively high-molecular-weight polyhydroxyl compounds.

    摘要翻译： 本发明涉及一种制备无CFC的柔性聚氨酯泡沫或模制泡沫的方法，其通过使A）含有键合的氨基甲酸酯基团的液体多异氰酸酯混合物并且具有20至30重量％的NCO基团的含量，这些混合物本身 通过使二苯基甲烷二异氰酸酯和聚苯基 - 多亚甲基多异氰酸酯（粗二苯基甲烷二异氰酸酯）与羟基数为120至25的聚醚 - 多元醇混合物的混合物与至少一种聚氧丙烯二醇和至少一种三官能聚氧丙烯 - 聚氧乙烯 乙二醇的含量为90〜10重量％的环氧乙烷单元，或通过使4,4'-二苯基甲烷二异氰酸酯（二苯基甲基二异氰酸酯）或二苯基甲烷二异氰酸酯异构体混合物与所述聚醚 - 多元醇混合物反应，得到含NCO的准 - 预聚物，并用粗二苯基甲烷二异氰酸酯稀释该准预聚物，B）相对较高 小重量多羟基化合物。

    Process for the preparation of fluorochlorohydrocarbon-free, low-density polyurethan soft foams and soft elastic polyurethan molding foams and polyisocyanate mixtures modified with urethan groups on diphenylmethane-diisocyanate base
    8.
    发明授权
    Process for the preparation of fluorochlorohydrocarbon-free, low-density polyurethan soft foams and soft elastic polyurethan molding foams and polyisocyanate mixtures modified with urethan groups on diphenylmethane-diisocyanate base 失效
    用于制备氟代氯代烃，低密度聚氨酯软泡沫和柔性弹性聚氨酯成型泡沫的方法和在二苯基甲烷二异氰酸酯基础上用氨基甲酸酯基团改性的多异氰酸酯混合物

    公开(公告)号：US5374667A

    公开(公告)日：1994-12-20

    申请号：US24589

    申请日：1993-03-01

    申请人： Werner Hinz ,  Ruth Zschiesche ,  Heinz-Dieter Lutter ,  Bernd Bruchmann

    发明人： Werner Hinz ,  Ruth Zschiesche ,  Heinz-Dieter Lutter ,  Bernd Bruchmann

    IPC分类号： C08G18/10 ,  C08G18/48 ,  C08G18/76 ,  C08G18/80 ,  C08G18/00

    CPC分类号： C08G18/8035 ,  C08G18/10 ,  C08G18/4837 ,  C08G18/7664 ,  C08G2101/0008 ,  C08G2101/005 ,  C08G2101/0083 ,  Y10S521/914

    摘要： The invention provides a method for the preparation of fluorochlorohydrocarbon(FCHC)-free polyurethane soft (molded) foam materials with low density, by reactingA) liquid polyisocyanate mixtures containing bound urethane groups, containing 22 to 30 weight percent of NCO groups, which in turn are prepared by reacting a mixture of diphenylmethane-diisocyanate and polyphenyl-polymethylene-polyisocyanates (raw MDI) with at least one polyoxypropylene-polyoxyethylene-polyol with a functionality between 2.5 and 3.5, a hydroxyl number between 50 and 90 and a polymerized ethylene oxide group concentration ranging from more than 30 to less than 50 weight percent, relative to the weight of the polymerized ethylene oxide and 1,2 propylene oxide groups, or by reacting of 4,4'diphenylmethane-diisocyanate (MDI) or and MDI-isomeric mixture with the above-named polyoxypropylene-polyoxyethylene-polyol to an NCO-group-containing quasi-prepolymer, and diluting this quasi-prepolymer with raw-MDI, withB) higher-molecular polyhydroxyl compounds and, if appropriateC) low-molecular chain lengthening and/or cross-linkage-promoting materialsD) propellants,E) catalysts as well as if appropriate,F) auxiliary materials and/or additives, as well as the polyisocyanate mixtures modified with urethane groups (A) which are utilizable in accordance with the process of the invention.

    摘要翻译： 本发明提供了一种通过使含有22-30％（重量）NCO基团的结合的氨基甲酸酯基团的液体多异氰酸酯混合物反应来制备低密度的氟氯烃（FCHC） - 软质（模塑）泡沫材料的方法， 通过使二苯基甲烷 - 二异氰酸酯和聚苯基 - 多亚甲基多异氰酸酯（原MDI）与至少一种官能度在2.5和3.5之间，羟基数在50和90之间的聚氧化丙烯 - 聚氧乙烯 - 多元醇与聚合的环氧乙烷 相对于聚合的环氧乙烷和1,2-环氧丙烷基团的重量，或通过4,4'-二苯基甲烷二异氰酸酯（MDI）或MDI异构体（MDI）的反应，组浓度范围从大于30至小于50重量％ 与上述聚氧丙烯 - 聚氧乙烯 - 多元醇的混合物与含有NCO基的准预聚物混合，并用B-MDI稀释该准预聚物，B） 高分子量多羟基化合物，如果合适C）低分子链延长和/或交联促进材料D）推进剂，E）催化剂以及适当的F）辅助材料和/或添加剂，以及 用氨基甲酸酯基团（A）改性的多异氰酸酯混合物，其可根据本发明的方法使用。

    Process for producing viscoelastic flexible polyurethane foams
    9.
    发明授权
    Process for producing viscoelastic flexible polyurethane foams 有权
    生产粘弹性柔性聚氨酯泡沫的方法

    公开(公告)号：US09193821B2

    公开(公告)日：2015-11-24

    申请号：US13383238

    申请日：2010-07-14

    申请人： Heinz-Dieter Lutter ,  Jens Mueller ,  Daniel Freidank ,  Theodore M. Smiecinski ,  Stephan Goettke ,  Berend Eling

    发明人： Heinz-Dieter Lutter ,  Jens Mueller ,  Daniel Freidank ,  Theodore M. Smiecinski ,  Stephan Goettke ,  Berend Eling

    IPC分类号： C08G18/00 ,  C08G18/63 ,  C08G18/48 ,  C08G18/08 ,  C08G101/00

    CPC分类号： C08G18/632 ,  C08G18/14 ,  C08G18/48 ,  C08G18/4816 ,  C08G18/4845 ,  C08G2101/00 ,  C08G2101/0008 ,  C08J2375/08 ,  C08J2375/14

    摘要： The invention relates to a process for producing viscoelastic flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, c) blowing agents, wherein the compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b) comprise b1) from 0 to 90 parts by weight of at least one polyether alcohol consisting of exclusively propylene oxide units or propylene oxide units and not more than 50% by weight, based on the total weight of the alkylene oxides used, of ethylene oxide units in the polyether chain and having a nominal functionality of from 3 to 8 and a hydroxyl number in the range from 100 to 350 mg KOH/g, and b2) from 10 to 100 parts by weight of at least one graft polyol which can be prepared by in-situ polymerization of olefinically unsaturated monomers in at least one polyether alcohol which has exclusively propylene oxide units or propylene oxide units and not more than 50% by weight, based on the total amount of alkylene oxides used, of ethylene oxide units in the polyether chain, a nominal functionality of from 2 to 8 and a hydroxyl number in the range from 100 to 350 mg KOH/g, having a solids content of not more than 60% by weight, based on the total amount of polyols and solids used, where the sum of the parts by weight of b1) and b2) is 100.

    摘要翻译： 本发明涉及通过使a）多异氰酸酯与b）具有至少两个对异氰酸酯基团具有反应性的氢原子的化合物反应来制备粘弹性柔性聚氨酯泡沫体的方法，c）发泡剂，其中具有至少两个氢原子的化合物是 对于异氰酸酯基团具有反应性b）包括：b1）0至90重量份的至少一种由专门环氧丙烷单元或环氧丙烷单元组成的聚醚醇，且不大于50重量％，基于环氧烷烃的总重量 使用聚醚链中的环氧乙烷单元，其标称官能度为3至8，羟基数为100至350mg KOH / g，和b2）10至100重量份的至少一种 接枝多元醇，其可以通过在至少一种仅具有环氧丙烷单元或环氧丙烷单元的聚醚醇中将烯属不饱和单体原位聚合而不是 大于50重量％，基于所使用的环氧烷烃的总量，聚醚链中的环氧乙烷单元，标称官能度为2至8，羟基数为100至350mg KOH / g， 基于所使用的多元醇和固体的总量，固体含量不超过60重量％，其中b1）和b2）的重量份之和为100。

    Method for producing viscoelastic polyurethane flexible foams
    10.
    发明授权
    Method for producing viscoelastic polyurethane flexible foams 有权
    制造粘弹性聚氨酯柔性泡沫的方法

    公开(公告)号：US08426482B2

    公开(公告)日：2013-04-23

    申请号：US13125867

    申请日：2009-10-19

    申请人： Ansgar Frericks ,  Heinz-Dieter Lutter ,  Edmund Stadler ,  Heinz-Juergen Schroeder ,  Kirsten Simon ,  Andre Meyer ,  Franck Pomeris

    发明人： Ansgar Frericks ,  Heinz-Dieter Lutter ,  Edmund Stadler ,  Heinz-Juergen Schroeder ,  Kirsten Simon ,  Andre Meyer ,  Franck Pomeris

    IPC分类号： C08G18/28

    CPC分类号： C08G18/36 ,  C08G18/482 ,  C08G18/5021 ,  C08G18/6696 ,  C08G2101/0008 ,  C08G2101/0083 ,  C08G2350/00

    摘要： Invention relates to a process for producing viscoelastic flexible polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein as b) a mixture of bi) from 25 to 70% by weight of a hydroxyl-comprising natural oil or fat or a reaction product of a hydroxyl-comprising natural oil or fat with alkylene oxides, bii) from 3 to 30% by weight of at least one polyether having a hydroxyl number of from 100 to 800 mg KOH/g and a functionality of 3-5 selected from the group consisting of polyether prepared by addition of alkylene oxides onto an amine, biii) 20-50% by weight of at least one polyether alcohol having a hydroxyl number of from 10 to 80 mg KOH/g and a functionality of 2-5, where the proportion of ethylene oxide is 5-25% by weight, based on the weight of the polyether alcohol, and at least part of the ethylene oxide is added on at the end of the polyether chain, biv) >0-8% by weight of at least one polyether alcohol having a functionality of 2-4, a hydroxyl number of 15-60 mg KOH/g and a content of ethylene oxide of >50% by weight of the polyether alcohol is used.

    摘要翻译： 本发明涉及通过使a）多异氰酸酯与b）具有至少两个对异氰酸酯基团具有反应性的氢原子的化合物反应而制备粘弹性柔性聚氨酯泡沫体的方法，其中b）b）25至70重量％ 含羟基的天然油或脂肪或含羟基的天然油或脂肪与环氧烷的反应产物，bii）3至30重量％的至少一种羟基数为100至800mg KOH的聚醚 g，功能性3-5，选自通过在胺上添加烯化氧制备的聚醚，biii）20-50重量％的至少一种羟基数为10至80mg的聚醚醇 KOH / g，官能度为2-5，其中环氧乙烷的比例为5-25重量％，基于聚醚醇的重量，并且在末端加入至少一部分环氧乙烷 聚醚链，biv）> 0-8重量％ 使用官能度为2-4的聚醚醇，羟基数为15-60mg KOH / g，环氧乙烷的含量为聚醚醇重量的50％。