利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

42 条记录 (耗时 0.021 秒)

    Process for the preparation of liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups and their use for the preparation of polyurethane plastics
    1.
    发明授权
    Process for the preparation of liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups and their use for the preparation of polyurethane plastics 失效
    制备含有碳二亚胺和/或尿素酮组的液体有机异氰酸酯的方法及其制备聚氨酯塑料的用途

    公开(公告)号：US5202358A

    公开(公告)日：1993-04-13

    申请号：US884143

    申请日：1992-05-18

    申请人： Hans-Joachim Scholl ,  Rainer Welte

    发明人： Hans-Joachim Scholl ,  Rainer Welte

    IPC分类号： C07C263/18 ,  C07C265/14 ,  C07C267/00 ,  C07D229/00 ,  C08G18/79

    CPC分类号： C08G18/797 ,  C07C267/00 ,  C08G2101/0025

    摘要： The present invention relates to liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups prepared by(a) partially carbodiimidizing isocyanate groups of an organic isocyanate with catalysts of the phospholine type, and(b) terminating the carbodiimidization reaction by the addition of a silylated acid corresponding to the formulaX--[Si(CH.sub.3).sub.3 ].sub.n in whichX represents the neutral acid residue obtained by removal of the acidic hydrogen atoms from an n-basic acid having a pK.sub.a value of at most 3, other than a hydrohalic acid, andn is an integer of 1 to 3.The invention further relates to the use of the liquid polyisocyanate mixtures according to the invention for the preparation of polyurethane plastics, preferably polyurethane foams, having improved burning behavior.

    摘要翻译： 本发明涉及通过以下步骤制备的含有碳二亚胺和/或脲酮亚胺基团的液体存储有机异氰酸酯：（a）将有机异氰酸酯的异氰酸酯基团部分碳化亚胺化，用磷酸酯型催化剂制备，和（b）通过加入碳酸二亚胺化反应终止碳二亚胺化反应 对应于式X- [Si（CH 3）3] n的甲硅烷基化的酸，其中X表示通过从pKa值至多为3的n-碱性酸除去酸性氢原子而获得的中性酸残基， 氢卤酸，n为1至3的整数。本发明还涉及根据本发明的液体多异氰酸酯混合物用于制备具有改进的燃烧行为的聚氨酯塑料，优选聚氨酯泡沫塑料的用途。

    Process for the production of substantially closed-cell rigid foams containing urethane, urea and biuret groups showing excellent adhesion to solid surfaces and their use
    2.
    发明授权
    Process for the production of substantially closed-cell rigid foams containing urethane, urea and biuret groups showing excellent adhesion to solid surfaces and their use 失效
    用于生产含有氨基甲酸酯，脲和缩二脲基团的基本上闭孔刚性泡沫的方法，其显示出对固体表面的优异粘附性及其用途

    公开(公告)号：US5418258A

    公开(公告)日：1995-05-23

    申请号：US712857

    申请日：1991-06-10

    申请人： Rainer Welte ,  Hans-Joachim Scholl

    发明人： Rainer Welte ,  Hans-Joachim Scholl

    IPC分类号： C08G18/10 ,  C08G18/30 ,  C08G18/48 ,  C08G101/00 ,  C08J9/02

    CPC分类号： C08G18/10 ,  C08G2101/0025 ,  C08G2101/0041 ,  C08G2101/0083

    摘要： Substantially closed-cell rigid foams containing urethane, urea and biuret groups are produced by reacting an NCO terminated prepolymer with a compound having at least two isocyanate-reactive hydrogen atoms and a molecular weight of from about 400 to about 10,000 in the presence of a catalyst and water by any of the known techniques. The NCO terminated prepolymer is the reaction product of x parts by weight of an at least difunctional polyol having an OH value of less than 100 with y parts by weight of an at least difunctional polyisocyanate. The ratio of x to y is at least 1:10. The product foams are particularly useful as insulating materials.

    摘要翻译： 含有氨基甲酸酯，尿素和缩二脲基团的基本上闭孔的刚性泡沫体是通过NCO封端的预聚物与具有至少两个异氰酸酯反应性氢原子的化合物和分子量为约400至约10,000的催化剂在催化剂 和水通过任何已知的技术。 NCO封端的预聚物是x重量份的OH值小于100的至少二官能多元醇与y重量份的至少二官能多异氰酸酯的反应产物。 x与y之比至少为1:10。 产品泡沫特别适用于绝缘材料。

    Substantially closed-cell rigid foams containing urethane, urea and biuret groups and a process for their production
    3.
    发明授权
    Substantially closed-cell rigid foams containing urethane, urea and biuret groups and a process for their production 失效
    含有氨基甲酸酯，尿素和缩二脲基团的基本上封闭的刚性泡沫及其生产方法

    公开(公告)号：US5070115A

    公开(公告)日：1991-12-03

    申请号：US663221

    申请日：1991-03-01

    申请人： Rainer Welte ,  Hans-Joachim Scholl

    发明人： Rainer Welte ,  Hans-Joachim Scholl

    IPC分类号： C08G18/08 ,  C08G18/00 ,  C08G18/10 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/78 ,  C08G101/00 ,  C08J9/02

    CPC分类号： C08G18/78 ,  C08G18/10 ,  C08G18/4018 ,  C08G18/4244 ,  C08G18/425 ,  C08G18/4812 ,  C08G2101/0025 ,  C08G2101/0041 ,  C08G2101/0083

    摘要： Rigid substantially closed cell foams are made by reacting an organic isocyanate with a mixture of high molecular weight polyols in the presence of water, a catalyst and other optional materials such as chain extenders, crosslinking agents and flameproofing agents. The reactants are used in quantities such that the isocyanate to hydroxyl group index is from about 90 to about 150. The mixture of high molecular weight polyols is composed of (1) a polyester having at least two hydroxyl groups and an OH number greater than 150 and/or a polyether having at least two hydroxyl groups and an OH number greater than 200 and (2) a polyether having at least two hydroxyl groups and an OH number below 100. The foams produced in accordance with this process are useful as insulating materials and as structural reinforcing materials.

    摘要翻译： 通过在水，催化剂和其它任选材料如扩链剂，交联剂和防火剂的存在下使有机异氰酸酯与高分子量多元醇的混合物反应制备刚性基本上闭合的泡孔。 反应物的用量使得异氰酸酯与羟基指数为约90至约150.高分子量多元醇的混合物由（1）具有至少两个羟基并且OH数大于150的聚酯组成 和/或具有至少两个羟基并且OH数大于200的聚醚和（2）具有至少两个羟基并且OH数低于100的聚醚。根据该方法生产的泡沫可用作绝缘材料 并作为结构增强材料。

    Process for the conditioning and/or purification of organic isocyanates
    6.
    发明授权
    Process for the conditioning and/or purification of organic isocyanates 失效
    有机异氰酸酯的调理和/或纯化方法

    公开(公告)号：US5260481A

    公开(公告)日：1993-11-09

    申请号：US860621

    申请日：1992-03-30

    申请人： Hans-Joachim Scholl

    发明人： Hans-Joachim Scholl

    IPC分类号： C07C263/18 ,  C07C263/20 ,  C07C265/14 ,  C07C263/10

    CPC分类号： C07C263/18 ,  C07C263/20

    摘要： The present invention relates to a process for the conditioning and/or purification of organic isocyanates bya) mixing organic isocyanates at 20.degree. to 150.degree. C. with 0.001 to 1 mole %, based on the isocyanate, of a silylated acid corresponding to the formulaX-[Si(CH.sub.3).sub.3 ].sub.n whereinX represents the neutral acid residue obtained by removing the acidic hydrogen atoms from an n-basic acid having a pKa value of at most 3, with the exception of hydrohalic acids andn is an integer from 1 to 3, andb) optionally working up the resulting mixture by distillation after a residence time of at least 5 minutes.

    摘要翻译： 本发明涉及一种通过以下步骤来调节和/或净化有机异氰酸酯的方法：a）在20-150℃下将有机异氰酸酯与基于异氰酸酯的0.001至1摩尔％的对应于 式X- [Si（CH 3）3] n其中，X表示通过从pKa值为3以下的正碱性酸除去酸性氢原子得到的中性酸残基，除了氢卤酸，n是 1至3的整数，和b）任选地在至少5分钟的停留时间后通过蒸馏处理所得混合物。

    Polyisocyanates containing isocyanurate groups and prepared by trimerizing alkyl-substituted cycloaliphatic diisocyanates
    9.
    发明授权
    Polyisocyanates containing isocyanurate groups and prepared by trimerizing alkyl-substituted cycloaliphatic diisocyanates 失效
    含有异氰脲酸酯基并通过三烷基取代的环脂族二异氰酸酯制备的多异氰酸酯

    公开(公告)号：US5837796A

    公开(公告)日：1998-11-17

    申请号：US883477

    申请日：1997-06-25

    申请人： Hans-Joachim Scholl ,  Bernhard Jansen ,  Rolf-Volker Meyer

    发明人： Hans-Joachim Scholl ,  Bernhard Jansen ,  Rolf-Volker Meyer

    IPC分类号： C07D251/34 ,  C08G18/02 ,  C08G18/18 ,  C08G18/70 ,  C08G18/79 ,  C08G18/82

    CPC分类号： C07D251/34 ,  C08G18/706 ,  C08G18/792

    摘要： The present invention relates to a process for preparing polyisocyanates containing isocyanurate groups by trimerizing a portion of the isocyanate groups of an organic polyisocyanate component containing a) one or more diisocyanates corresponding to formula (1) ##STR1## wherein R represents a saturated, straight-chain, aliphatic hydrocarbon group having 8 to 15 carbon atoms and optionally b) up to 95 NCO equivalent-%, based on the total equivalents a) and b), of one or more organic polyisocyanates other than a), in the presence of trimerization catalysts and terminating the trimerization reaction at any desired degree of trimerization. The invention also relates to the polyisocyanates containing isocyanurate groups obtained by this process and to their use, optionally in excess starting polyisocyanates and optionally blocked with blocking agents for isocyanate groups, as an isocyanate component for preparing polyisocyanate addition products.

    摘要翻译： 本发明涉及通过将有机多异氰酸酯组分的一部分异氰酸酯基团三聚而制备含有异氰脲酸酯基的多异氰酸酯的方法，该有机多异氰酸酯组分含有a）一种或多种对应于式（1）的二异氰酸酯，其中R表示饱和 ，具有8至15个碳原子的直链脂族烃基和任选的b）基于a）和b）的总当量a）和b）至多95NCO当量，一种或多种除a）之外的有机多异氰酸酯，在 存在三聚催化剂并以任何所需的三聚程度终止三聚反应。 本发明还涉及通过该方法获得的含有异氰脲酸酯基团的多异氰酸酯基团，以及它们的用途，任选地过量起始多异氰酸酯，并任选地用异氰酸酯基团的封端剂封端，作为用于制备多异氰酸酯加成产物的异氰酸酯组分。

    Polyisocyanates containing isocyanurate groups and a process for their production
    10.
    发明授权
    Polyisocyanates containing isocyanurate groups and a process for their production 失效
    含异氰脲酸酯基的聚异氰酸酯及其制备方法

    公开(公告)号：US5013838A

    公开(公告)日：1991-05-07

    申请号：US467822

    申请日：1990-01-19

    申请人： Hans-Joachim Scholl

    发明人： Hans-Joachim Scholl

    IPC分类号： B01J31/00 ,  B01J31/02 ,  C07D251/34 ,  C07D273/04 ,  C08G18/02 ,  C08G18/78 ,  C08G18/79 ,  C09D175/04

    CPC分类号： C08G18/792 ,  C07D251/34 ,  C07D273/04 ,  C08G18/022 ,  C08G18/7887

    摘要： The present invention relates to a process for the production of an isocyanurate group-containing polyisocyanate by(a) partially reacting the isocyanate groups of an organic diisocyanate containing aliphatically and/or cycloaliphatically bound isocyanate groups in the presence of an ammonium or phosphonium fluoride trimerization catalyst,(b) introducing carbon dioxide into the reaction mixture at least periodically during the reaction and(c) terminating the reaction at the desired degree of conversion.The present invention also relates to the isocyanurate group-containing polyisocyanates obtained in accordance with this process.

    摘要翻译： 本发明涉及通过以下方法制备含异氰脲酸酯基的多异氰酸酯的方法：（a）在铵或氟化鏻三聚催化剂存在下，使含有脂族和/或环状结合的异氰酸酯基团的有机二异氰酸酯的异氰酸酯基团部分反应 ，（b）在反应期间至少周期性地向反应混合物中引入二氧化碳，和（c）以期望的转化程度终止反应。 本发明还涉及根据该方法获得的含异氰脲酸酯基的多异氰酸酯。