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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。
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公开(公告)号：US09657133B2
公开(公告)日：2017-05-23
申请号：US12522002
申请日：2008-01-09
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.
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公开(公告)号：US08293807B2
公开(公告)日：2012-10-23
申请号：US12439826
申请日：2007-09-06
申请人： Andreas Emge , Daniel Freidank , Holger Seifert
发明人： Andreas Emge , Daniel Freidank , Holger Seifert
IPC分类号： C08G18/28
CPC分类号： C08G18/632 , C08G18/4072 , C08G18/482 , C08G18/4829 , C08G18/635 , C08G18/8108 , C08G2101/0025 , C08G2101/005
摘要： The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein at least one graft polyol b1) which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol b1i), where the polyether alcohol b1i) has a functionality of from 2 to 4 and a hydroxyl number in the range from 100 to 250 mg KOH/g, its polyether chain comprises propylene oxide and up to 20% by weight, based on the polyether alcohol b1i), of ethylene oxide, and acrylonitrile and styrene in a weight ratio of acrylonitrile:styrene of from >1:1 to 4:1 are used as olefinically unsaturated monomers, is used as compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b), and the reaction is carried out in the presence of at least one compound b1ii) which has at least one olefinic double bond and is miscible with the polyether alcohol b1i).
摘要翻译： 本发明涉及通过使a）多异氰酸酯与b）在c）发泡剂存在下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生产硬质聚氨酯泡沫的方法，其中至少一种接枝多元醇b1） 可以通过在聚醚醇b1i）中的烯属不饱和单体的原位聚合制备，其中聚醚醇b1i）具有2-4的官能度和100-250mg KOH / g的羟基数，其 聚醚链包含环氧丙烷和至多20重量％，基于聚醚醇b1i）的环氧乙烷，丙烯腈和苯乙烯的丙烯腈/苯乙烯重量比为1：1至4：1的重量比用作 烯属不饱和单体用作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b），并且该反应在至少一种具有至少一种烯烃的化合物b1ii）的存在下进行 ic双键并与聚醚醇b1i）混溶。
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公开(公告)号：US20120022179A1
公开(公告)日：2012-01-26
申请号：US13143144
申请日：2010-01-12
申请人： Andreas Emge , Marc Fricke , Roman Prochazka , Holger Seifert , Darijo Mijolovic , Achim Loeffler , Sirus Zarbakhsh
发明人： Andreas Emge , Marc Fricke , Roman Prochazka , Holger Seifert , Darijo Mijolovic , Achim Loeffler , Sirus Zarbakhsh
CPC分类号： C08G18/482 , C08G18/4879 , C08G2101/0025
摘要： The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein the component b) comprises at least one polyether alcohol bi) prepared by addition of alkylene oxides onto toluenediamine and at least one polyether alcohol bii) prepared by addition of alkylene oxides onto H-functional starter substances comprising oligomeric glycerol.
摘要翻译： 本发明涉及通过使a）多异氰酸酯与b）在c）发泡剂存在下具有至少两个对异氰酸酯基具有反应性的氢原子的化合物反应来制备硬质聚氨酯泡沫的方法，其中组分b）包含至少一个 通过在甲苯二胺和至少一种聚醚醇bii上加入环氧烷制备的聚醚醇bi），其通过在包含低聚甘油的H功能起始物质上加入环氧烷烃而制备。
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公开(公告)号：US07893124B2
公开(公告)日：2011-02-22
申请号：US11575719
申请日：2005-09-28
IPC分类号： C08G18/28
CPC分类号： C08G18/482 , C08G18/4883 , C08G18/5027 , C08G18/7664 , C08G2101/0025 , C08G2101/005
摘要： The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents wherein a mixture of b1) a polyether alcohol which has a functionality of 4 and a hydroxyl number of from 380 to 450 mg KOH/g and a viscosity of greater than 12 000 mPa·s and can be prepared by addition of ethylene oxide and/or propylene oxide onto TDA, b2) a polyether alcohol which has a functionality of from 5 to 7.5 and a hydroxyl number of from 380 to 480 mg KOH/g and can be prepared by addition of propylene oxide onto sucrose and/or sorbitol, b3) a polyether alcohol which has a functionality of from 2 to 4 and a hydroxyl number of from 140 to 250 mg KOH/g and can be prepared by addition of ethylene oxide and propylene oxide onto TDA or of propylene oxide onto 2-, 3- or 4-functional alcohols, amines other than TDA or castor oil derivatives, is used as compounds b) 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）具有至少两个在异氰酸酯基上反应的氢原子的化合物在c）发泡剂的反应中制备硬质聚氨酯泡沫的方法，其中b1） 具有4的官能度和380-450mg KOH / g的羟基数值和大于12000mPa·s的粘度，并且可以通过在TDA上加入环氧乙烷和/或环氧丙烷来制备，b2）聚醚 醇，其功能为5至7.5，羟基数为380至480mg KOH / g，并且可以通过在蔗糖和/或山梨醇上加入环氧丙烷来制备，b3）具有以下官能度的聚醚醇： 2至4，羟基数为140至250mg KOH / g，并且可以通过在TDA或环氧丙烷上加入环氧乙烷和环氧丙烷至2-，3-或4-官能的醇，除TDA之外的胺来制备 或蓖麻油衍生物，是我们 化合物b）具有至少两个对异氰酸酯基团具有反应性的氢原子。
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公开(公告)号：US20090306238A1
公开(公告)日：2009-12-10
申请号：US12513446
申请日：2007-11-05
申请人： Stefan Dinsch , Juergen Winkler , Gerd Hoeppner , Holger Seifert
发明人： Stefan Dinsch , Juergen Winkler , Gerd Hoeppner , Holger Seifert
CPC分类号： C08G18/5027 , C08G18/1808 , C08G18/1816 , C08G18/2036 , C08G18/4812 , C08G18/482 , C08G18/4845 , C08G18/7664 , C08G65/2627 , C08G2101/0025
摘要： Process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein the compounds having at least two hydrogen atoms which are reactive toward isocyanate groups comprise at least one polyether alcohol bi) which can be prepared by reacting aromatic amines with ethylene oxide and propylene oxide, with firstly propylene oxide and then ethylene oxide or a mixture of ethylene oxide and propylene oxide being added on in a first process step and the remaining amount of propylene oxide being added on in a second process step using a basic catalyst.
摘要翻译： 通过使a）多异氰酸酯与b）在c）发泡剂存在下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来制备硬质聚氨酯泡沫体的方法，其中具有至少两个对异氰酸酯具有反应性的氢原子的化合物 基团包含至少一个聚醚醇bi），其可以通过芳族胺与环氧乙烷和环氧丙烷反应，首先在第一工艺步骤中加入环氧丙烷，然后加入环氧乙烷或环氧乙烷和环氧丙烷的混合物， 在使用碱性催化剂的第二工艺步骤中加入环氧丙烷的剩余量。
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公开(公告)号：US20070232712A1
公开(公告)日：2007-10-04
申请号：US11575719
申请日：2005-09-28
IPC分类号： C08G18/00
CPC分类号： C08G18/482 , C08G18/4883 , C08G18/5027 , C08G18/7664 , C08G2101/0025 , C08G2101/005
摘要： The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents wherein a mixture of b1) a polyether alcohol which has a functionality of 4 and a hydroxyl number of from 380 to 450 mg KOH/g and a viscosity of greater than 12 000 mPa·s and can be prepared by addition of ethylene oxide and/or propylene oxide onto TDA, b2) a polyether alcohol which has a functionality of from 5 to 7.5 and a hydroxyl number of from 380 to 480 mg KOH/g and can be prepared by addition of propylene oxide onto sucrose and/or sorbitol, b3) a polyether alcohol which has a functionality of from 2 to 4 and a hydroxyl number of from 140 to 250 mg KOH/g and can be prepared by addition of ethylene oxide and propylene oxide onto TDA or of propylene oxide onto 2-, 3- or 4-functional alcohols, amines other than TDA or castor oil derivatives, is used as compounds b) 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）具有至少两个在异氰酸酯基上反应的氢原子的化合物在c）发泡剂的反应中制备硬质聚氨酯泡沫的方法，其中b1） 具有4的官能度和380至450mg KOH / g的羟值，并且粘度大于12000mPa.s，并且可以通过在TDA上加入环氧乙烷和/或环氧丙烷来制备，b2）聚醚 醇，其功能为5至7.5，羟基数为380至480mg KOH / g，并且可以通过在蔗糖和/或山梨醇上加入环氧丙烷来制备，b3）具有以下官能度的聚醚醇： 2至4，羟基数为140至250mg KOH / g，并且可以通过在TDA或环氧丙烷上加入环氧乙烷和环氧丙烷至2-，3-或4-官能的醇，除TDA之外的胺来制备 或蓖麻油衍生物，是使用 d作为化合物b）具有至少两个对异氰酸酯基团具有反应性的氢原子。
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18.发明申请Method for producing rigid polyurethane foams by means of graft polyhydric alcohols 审中-公开通过接枝多元醇生产硬质聚氨酯泡沫的方法公开(公告)号：US20060058409A1
公开(公告)日：2006-03-16
申请号：US10530707
申请日：2003-10-06
申请人： Bernd Zaschke , Andreas Emge , Gottfried Knorr , Peter Malotki , Holger Seifert
发明人： Bernd Zaschke , Andreas Emge , Gottfried Knorr , Peter Malotki , Holger Seifert
IPC分类号： C08G18/00
CPC分类号： C08G18/4072 , C08G18/632 , C08G2101/0025 , C08G2101/005
摘要： The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms reactive toward isocyanate groups, in the presence of c) catalysts, and d) blowing agents, where, among the compounds having at least two hydrogen atoms reactive toward isocyanate groups, there is at least one graft polyol present capable of preparation via in-situ polymerization of ethylenically unsaturated monomers in polyether alcohols.
摘要翻译： 本发明涉及通过使a）多异氰酸酯与b）在c）催化剂存在下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的方法，和d）发泡剂，其中化合物 具有至少两个对异氰酸酯基团具有反应性的氢原子，存在至少一种能够通过烯键式不饱和单体在聚醚醇中原位聚合来制备的接枝多元醇。
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19.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：US5670554A
公开(公告)日：1997-09-23
申请号：US563470
申请日：1995-11-28
申请人： Stefan Adams , Holger Seifert
发明人： Stefan Adams , Holger Seifert
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。
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公开(公告)号：US20090209671A1
公开(公告)日：2009-08-20
申请号：US12439826
申请日：2007-09-06
申请人： Andreas Emge , Daniel Freidank , Holger Seifert
发明人： Andreas Emge , Daniel Freidank , Holger Seifert
CPC分类号： C08G18/632 , C08G18/4072 , C08G18/482 , C08G18/4829 , C08G18/635 , C08G18/8108 , C08G2101/0025 , C08G2101/005
摘要： The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, wherein at least one graft polyol b1) which can be prepared by in-situ polymerization of olefinically unsaturated monomers in a polyether alcohol b1i), where the polyether alcohol b1i) has a functionality of from 2 to 4 and a hydroxyl number in the range from 100 to 250 mg KOH/g, its polyether chain comprises propylene oxide and up to 20% by weight, based on the polyether alcohol b1i), of ethylene oxide, and acrylonitrile and styrene in a weight ratio of acrylonitrile:styrene of from >1:1 to 4:1 are used as olefinically unsaturated monomers, is used as compounds having at least two hydrogen atoms which are reactive toward isocyanate groups b), and the reaction is carried out in the presence of at least one compound b1ii) which has at least one olefinic double bond and is miscible with the polyether alcohol b1i).
摘要翻译： 本发明涉及通过使a）多异氰酸酯与b）在c）发泡剂存在下具有至少两个对异氰酸酯基具有反应性的氢原子的化合物反应来生产硬质聚氨酯泡沫的方法，其中至少一种接枝多元醇b1） 可以通过在聚醚醇b1i）中的烯属不饱和单体的原位聚合制备，其中聚醚醇b1i）具有2-4的官能度和100-250mg KOH / g的羟基数，其 聚醚链包含环氧丙烷和至多20重量％，基于聚醚醇b1i）的环氧乙烷，丙烯腈和苯乙烯的丙烯腈/苯乙烯重量比为1：1至4：1的重量比用作 烯属不饱和单体用作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b），并且该反应在至少一种具有至少一种烯烃的化合物b1ii）的存在下进行 ic双键并与聚醚醇b1i）混溶。
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