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73 条记录 (耗时 0.022 秒)

    Process for the preparation of 4,4'-dinitrodibenzyls
    63.
    发明授权
    Process for the preparation of 4,4'-dinitrodibenzyls 失效
    制备4,4'-二硝基二苄基的方法

    公开(公告)号：US4734532A

    公开(公告)日：1988-03-29

    申请号：US871018

    申请日：1986-06-04

    申请人： Richard Kopp ,  Gerhard Grogler ,  Klaus Konig ,  Manfred Schmidt

    发明人： Richard Kopp ,  Gerhard Grogler ,  Klaus Konig ,  Manfred Schmidt

    IPC分类号： C07C67/00 ,  C07C201/00 ,  C07C201/12 ,  C07C205/06 ,  C07C205/12 ,  C07C79/10

    CPC分类号： C07C201/12

    摘要： 4,4'-dinitrodibenzyls are prepared by reaction of 4-nitrotoluenes, in the presence of an organic solvent and/or diluent, with an alkali metal-alcoholate and/or an alkaline earth metal alcoholate, and subsequent treatment of the reaction mixture with an aqueous solution of hypohalous acids and/or their salts or with chlorine, bromine or an aqueous solution of hydrogen peroxide and/or its salts, or with organic or inorganic peracids and/or their salts.

    摘要翻译： 4,4'-二硝基二苄基通过4-硝基甲苯在有机溶剂和/或稀释剂存在下与碱金属醇盐和/或碱土金属醇化物反应制备，随后用反应混合物处理 次卤酸和/或其盐的水溶液或氯，溴或过氧化氢和/或其盐的水溶液，或与有机或无机过酸和/或其盐的水溶液。

    Cold setting compositions, a process for the production thereof and the use thereof for polyurethane production
    64.
    发明授权
    Cold setting compositions, a process for the production thereof and the use thereof for polyurethane production 失效
    冷定型组合物，其制备方法及其在聚氨酯生产中的应用

    公开(公告)号：US4716182A

    公开(公告)日：1987-12-29

    申请号：US891725

    申请日：1986-07-29

    申请人： Heinrich Hess ,  Gerhard Grogler ,  Richard Kopp

    发明人： Heinrich Hess ,  Gerhard Grogler ,  Richard Kopp

    IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/64 ,  C08G18/70 ,  C08G18/80 ,  C08G18/14

    CPC分类号： C08G18/8058 ,  C08G18/707 ,  C08G18/80 ,  C08G18/8038

    摘要： The present invention relates to cold setting compositions of (A) suspensions of solid polyisocyanates with retarded reactivity in aliphatic polyamines, and which are stable under storage due to a polyadduct covering, and (B) polyols and/or water. The activation of the composition is caused by the polyol or water. Additional activating materials can also be added for hardening. Such compositions, which already harden at ambient temperature, are stable under storage, have a long potlife for processing and, in relation to the potlife, have a very short hardening time to the final reaction product.

    摘要翻译： 本发明涉及（A）在脂肪族多胺中具有延迟反应性的固体多异氰酸酯的悬浮液的冷定型组合物，并且由于多加合物覆盖而在储存下稳定，和（B）多元醇和/或水。 组合物的活化是由多元醇或水引起的。 还可以加入额外的活化材料用于硬化。 已经在环境温度下已经硬化的这种组合物在储存下是稳定的，具有长的加工适用期，并且相对于适用期，对最终反应产物具有非常短的硬化时间。

    Process for the production of deactivated suspensions of finely-divided polyisocyanates in relatively high molecular weight compounds, deactivated suspensions and use thereof for the production of polyurethanes
    65.
    发明授权
    Process for the production of deactivated suspensions of finely-divided polyisocyanates in relatively high molecular weight compounds, deactivated suspensions and use thereof for the production of polyurethanes 失效
    在相对高分子量化合物中制备细分多异氰酸酯的失活悬浮液的方法，失活的悬浮液及其用于生产聚氨酯的用途

    公开(公告)号：US4619985A

    公开(公告)日：1986-10-28

    申请号：US732028

    申请日：1985-05-08

    申请人： Heinrich Hess ,  Gerhard Grogler ,  Richard Kopp ,  James M. Barnes

    发明人： Heinrich Hess ,  Gerhard Grogler ,  Richard Kopp ,  James M. Barnes

    IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/30 ,  C08G18/32 ,  C08G18/70 ,  C08G18/72 ,  C08G18/80 ,  C09D175/00

    CPC分类号： C08G18/707 ,  C08G18/089 ,  C08G18/8003 ,  Y10S528/902

    摘要： The present invention is directed to a process for the production of suspensions of finely-divided polyisocyanates which are obtainable by the surface reaction with from 0.1 to 25 equivalent percent of reactive group per NCO of stabilizers in relatively high molecular weight polyols and/or relatively high molecular weight polyamines having molecular weights from 400 to 6,000 optionally with addition of lower molecular weight polyols and/or aromatic amines having molecular weights of from 60 to 399, which are characterized in that unreacted quantities of stabilizers in the suspension are subsequently partially or completely deactivated by addition of substances having an acylating and/or neutralizing and/or alkylating effect and/or adsorbing effect as "deactivators". In particular, mono- and/or polyisocyanates are used as "deactivators". Deactivated suspensions obtainable in this way do not exhibit rising thickening temperatures during the production of polyurethanes, in particular in large-volume shaped articles.The present invention also relates to deactivated suspensions obtainable by the present process and to the use thereof for polyurethane production.

    摘要翻译： 本发明涉及一种生产细分多异氰酸酯的悬浮液的方法，其可通过表面反应获得，每个NCO为相对高分子量多元醇中的稳定剂为0.1至25当量％的反应性基团和/或相对高的 分子量为400至6000的分子量多胺，任选地加入分子量为60至399的较低分子量多元醇和/或芳族胺，其特征在于悬浮液中未反应量的稳定剂随后部分或完全失活 通过加入具有酰化和/或中和和/或烷化作用和/或吸附作用的物质作为“失活剂”。 特别地，单 - 和/或多异氰酸酯用作“钝化剂”。 以这种方式获得的失活悬浮液在聚氨酯生产过程中，尤其是在大体积成型的制品中不会出现增加的增厚温度。 本发明还涉及通过本方法获得的失活悬浮体及其用于聚氨酯生产的用途。

    Process for the preparation of polyamines from N-monoaryl-N',N'-dialkyl urea compounds and their use for the synthesis of polyurethanes
    68.
    发明授权
    Process for the preparation of polyamines from N-monoaryl-N',N'-dialkyl urea compounds and their use for the synthesis of polyurethanes 失效
    由N-单芳基-N'，N'-二烷基脲化合物制备多胺的方法及其在聚氨酯合成中的应用

    公开(公告)号：US4472568A

    公开(公告)日：1984-09-18

    申请号：US437398

    申请日：1982-10-28

    申请人： Werner Rasshofer ,  Gerhard Grogler

    发明人： Werner Rasshofer ,  Gerhard Grogler

    IPC分类号： C08G18/00 ,  C07C67/00 ,  C07C239/00 ,  C07C273/18 ,  C07C275/28 ,  C08G18/10 ,  C08G18/38 ,  C08G18/50 ,  C08G18/83 ,  C07C127/15 ,  C07C127/24

    CPC分类号： C08G18/83 ,  C07C273/1854 ,  C08G18/10 ,  C08G18/3819 ,  C08G18/5036

    摘要： This invention relates to an improved process for the preparation of aromatic polyamines containing urethane and/or biuret and/or urea and/or isocyanurate groups and preferably also ether groups by the hydrolysis of poly-N-monoaryl-N',N'-dialkyl urea compounds (1-aryl-3,3-dialkyl ureas). The ureas are obtained by the reaction of secondary aliphatic, cycloaliphatic or saturated heterocyclic amines with divalent to tetravalent isocyanate compounds containing isocyanate end groups attached to aromatic residues. The ureas correspond to the general formula: ##STR1## wherein R.sup.1, R.sup.2 denote alkyl or cycloalkyl groups, or together form a ring andA denotes a divalent to tetravalent residue attached to the ureas by aromatic groups.Hydrolysis is carried out in the presence of water and up to two equivalents of a base containing hydroxide ions and/or up to two equivalents of a compound containing tertiary amino groups, optionally in the presence of solvents. The use of the polyamines obtained by this process for the synthesis of polyurethanes is also described.

    摘要翻译： 本发明涉及一种改进的制备含氨基甲酸酯和/或缩二脲和/或脲和/或异氰脲酸酯基团的芳族多胺的方法，优选通过水解聚-N-单芳基-N'，N'-二烷基 脲化合物（1-芳基-3,3-二烷基脲）。 脲通过仲脂族，脂环族或饱和杂环胺与含有连接到芳族残基的异氰酸酯端基的二价至四价异氰酸酯化合物的反应获得。 脲对应于以下通式：其中R 1，R 2表示烷基或环烷基，或一起形成环，A表示通过芳族基团连接到脲上的二价至四价残基。 任选在溶剂存在下，在水的存在下和至多两当量的含氢氧根离子的碱和/或至多两当量的含有叔氨基的化合物进行水解。 还描述了通过该方法获得的用于合成聚氨酯的多胺的用途。

    Process for the preparation of compounds having s-triazine units and epoxide groups
    69.
    发明授权
    Process for the preparation of compounds having s-triazine units and epoxide groups 失效
    制备具有三嗪单元和环氧基团的化合物的方法

    公开(公告)号：US4384102A

    公开(公告)日：1983-05-17

    申请号：US336659

    申请日：1982-01-04

    申请人： Werner Rasshofer ,  Gerhard Grogler ,  Richard Kopp

    发明人： Werner Rasshofer ,  Gerhard Grogler ,  Richard Kopp

    IPC分类号： C07D405/14 ,  C07D405/12 ,  C08G18/00 ,  C08G18/79 ,  C08G18/80 ,  C08G18/77

    CPC分类号： C07D405/12 ,  C08G18/003 ,  C08G18/8058

    摘要： Compounds having both s-triazine units and epoxide groups present are prepared by reacting an epoxide containing an isocyanate-reactive group with a triisocyanate corresponding to the formula: ##STR1## in which X is as defined herein. These reactants are used in quantities such that the equivalent ratio of isocyanate groups to isocyanate-reactive groups is maintained at less than or equal to 1 to 1. The compounds thus produced are particularly useful as reactive cross-linkers in the production of polyurethanes and polyepoxides.

    摘要翻译： 通过使含有异氰酸酯反应性基团的环氧化物与对应于下式的其中X如本文所定义的下式的三异氰酸酯反应来制备具有均三嗪单元和环氧基团的化合物。 这些反应物的用量使得异氰酸酯基团与异氰酸酯反应性基团的当量比保持在小于或等于1比1。由此制备的化合物特别可用作聚氨酯和聚环氧化物生产中的反应性交联剂 。