知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

32 条记录 (耗时 0.022 秒)

    METHOD FOR PRODUCING VISCOELASTIC POLYURETHANE FLEXIBLE FOAMS
    2.
    发明申请
    METHOD FOR PRODUCING VISCOELASTIC POLYURETHANE FLEXIBLE FOAMS 有权
    粘弹性聚氨酯弹性纤维的生产方法

    公开(公告)号：US20110218258A1

    公开(公告)日：2011-09-08

    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： C08L75/08 ,  C08J9/12

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

    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, wherein a mixture of bi) from 25 to 70% by weight, based on the weight of the components bi), bii), biii) and biv), 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, based on the weight of the components bi), bii), biii) and biv), of at least one polyether alcohol which has a hydroxyl number of from 100 to 800 mg KOH/g and a functionality of from 3 to 5 and is selected from the group consisting of polyether alcohols prepared by addition of alkylene oxides onto an amine, biii) 20-50% by weight, based on the weight of the components bi), bii), biii) and biv), of at least one polyether alcohol which has a hydroxyl number of from 10 to 80 mg KOH/g and a functionality of from 2 to 5 and can be prepared by addition of ethylene oxide and propylene oxide onto H-functional starter substances, 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, based on the weight of the components bi), bii), biii) and biv), 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, based on the weight of the polyether alcohol, as compounds having at least two hydrogen atoms which are reactive toward isocyanate groups.

    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生产粘弹性柔性聚氨酯泡沫体的方法，其中基于 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的组分的重量）Bi），bii），biii）和biv），3重量％至30重量％ 至少一种聚醚醇的重量百分比，基于组分bi），bii），biii）和biv），羟基数为100至800mg KOH / g，官能度为3至5 并且选自通过将氧化烯加成到胺上制备的聚醚醇，biii）基于组分bi），bii），biii）和biv）的重量，20-50重量％ 至少一种羟值为10至80mg KOH / g的聚醚醇和官能团 t 2为5至5，并且可以通过在H官能起始物质上加入环氧乙烷和环氧丙烷来制备，其中环氧乙烷的比例基于聚醚醇的重量为5-25重量％，并且在 至少一部分环氧乙烷加入到聚醚链末端，biv）> 0-8％（重量），基于组分bi），bii），biii）和biv）的至少一种 聚醚醇的官能度为2-4，羟值为15-60mg KOH / g，环氧乙烷的含量> 50重量％，基于聚醚醇的重量，作为具有至少两个氢的化合物 对异氰酸酯基反应的原子。

    Preparation of in situ-reticulated flexible polyurethane foams
    4.
    发明授权
    Preparation of in situ-reticulated flexible polyurethane foams 失效

    公开(公告)号：US06638986B2

    公开(公告)日：2003-10-28

    申请号：US10047639

    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： C08G18/4841 ,  C08G18/4808 ,  C08G18/7607 ,  C08G2101/0008 ,  C08G2101/0058 ,  C08G2101/0083 ,  C08G2340/00

    摘要： Reticulated 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 further assistants and additives (f), by a process in which the polyetherol mixture (b) comprises b1) at least one difunctional or polyfunctional polyetherol having an OH number of from 20 to 150 mg KOH/g, based on propylene oxide and/or butylene oxide and ethylene oxide and having an ethylene oxide content of more than 40% by weight, based on the total amount of alkylene oxide used, (b1.1) and, if required, further difunctional or polyfunctional polyetherols having an OH number of from 20 to 150 mg KOH/g, based on propylene oxide and/or butylene oxide and ethylene oxide and having an ethylene oxide content of not more than 40% by weight, based on the total amount of alkylene oxide used, which have a content of primary OH groups of more than 40%, (b1.2), with total amounts of the component (b1) of at least 70% by weight, based on the total weight of the component (b), (b1.1) being present in amounts of at least 50% by weight, based on the total weight of the component (b), and b2) at least one difunctional or polyfunctional polyetherol based on propylene oxide and/or butylene oxide and having an OH number of more than 25 mg KOH/g, in amounts of not more than 30% by weight, based on the total weight of the component (b), and silicone stabilizers are used in amounts of from 0.02 to 5% by weight, based on the total weight of the components (b) to f). The reticulated flexible polyurethane foams themselves prepared in this manner are used for upholstery purposes, for cavity filling and as support medium and filter medium.

    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
    7.
    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
    8.
    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
    9.
    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％。

    Process For Producing Viscoelastic Polyurethane Foams
    10.
    发明申请
    Process For Producing Viscoelastic Polyurethane Foams 有权

    公开(公告)号：US20080300335A1

    公开(公告)日：2008-12-04

    申请号：US12095754

    申请日：2006-11-30

    申请人： Stephan Göttke ,  Heinz-Dieter Lutter ,  Berend Eling ,  Steven Edward Wujcik

    发明人： Stephan Göttke ,  Heinz-Dieter Lutter ,  Berend Eling ,  Steven Edward Wujcik

    IPC分类号： C08J9/06

    CPC分类号： C08G18/4812 ,  C08G18/165 ,  C08G2101/0008 ,  C08G2101/0083 ,  C08G2350/00

    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 70 to 10 parts by weight of at least one polyether alcohol consisting of exclusively polyoxypropylene units or polyoxypropylene units and not more than 20% by weight, based on the total weight of the alkylene oxides used, of polyoxyethylene units in the polyether chain and having a nominal functionality of from 3 to 6 and a hydroxyl number in the range from 100 to 300 mg KOH/g, b2) from 10 to 70 parts by weight of at least one polyetherol consisting of exclusively polyoxypropylene units or polyoxypropylene units and not more than 20% by weight, based on the total amount of alkylene oxides used, of polyoxyethylene units in the polyether chain and having a nominal functionality of 2 and a hydroxyl number in the range from 50 to 350 mg KOH/g, b3) from 10 to 30 parts by weight of at least one polyether alcohol consisting of exclusively ethylene oxide units or ethylene oxide units and not more than 20% by weight, based on the total amount of alkylene oxides used, of polyoxypropylene units in the polyether chain and having a nominal functionality of from 2 to 3 and a hydroxyl number in the range from 50 to 550 mg KOH/g, b4) from 0 to 20 parts by weight of at least one graft polyetherol which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol consisting of polyoxypropylene units or polyoxypropylene units and not more than 50% by weight, based on the total amount of alkylene oxides used, of polyoxyethylene units in the polyether chain and having a nominal functionality of from 2 to 3 and a hydroxyl number in the range from 20 to 40 mg KOH/g.