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73 条记录 (耗时 0.027 秒)

    Process for the preparation of stabilized polyamines, stabilized polyamines with retarded reactivity and their use for polyurethane production
    5.
    发明授权
    Process for the preparation of stabilized polyamines, stabilized polyamines with retarded reactivity and their use for polyurethane production 失效
    用于制备稳定的多胺，具有延迟反应性的稳定的多胺及其用于聚氨酯生产的方法

    公开(公告)号：US4663415A

    公开(公告)日：1987-05-05

    申请号：US759818

    申请日：1985-07-29

    申请人： Gerhard Grogler ,  Richard Kopp ,  Heinrich Hess ,  Werner Rasshofer

    发明人： Gerhard Grogler ,  Richard Kopp ,  Heinrich Hess ,  Werner Rasshofer

    IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/10 ,  C08G18/32 ,  C08G18/65 ,  C08G18/66 ,  C09D175/04 ,  C08G18/79

    CPC分类号： C08G18/6618 ,  C08G18/10 ,  C08G18/3253

    摘要： This invention relates to a process for the production of solid polyamines stabilized by a polyadduct covering and showing retarded reactivity comprising reacting(1) one or more solid organic polyamines in particulate form, said polyamines containing at least two primary and/or secondary amino groups and having melting points above 50.degree. C., and(2) from 0.1 to 25 equivalent % of isocyanate per amine equivalent of a water insoluble, difunctional and/or higher functional polyisocyanate,said reaction being conducted at a temperature below the melting point of said solid polyamine, and being conducted in the presence of(3) a liquid medium selected from the group consisting of(a) organic compounds containing two or more hydroxy groups and having molecular weights of from 62 to 10,000,(b) plasticizers,(c) water, and(d) mixtures thereofto form a suspension of polyadduct-covered stabilized polyamines in the liquid medium.

    摘要翻译： 本发明涉及用于生产由多加成分稳定的固体多胺的方法，其覆盖并显示延迟反应性，包括使（1）一种或多种颗粒形式的固体有机多胺，所述多胺含有至少两个伯和/或仲氨基和 具有高于50℃的熔点，和（2）0.1至25当量异氰酸酯/胺当量的水不溶性，双官能和/或更高官能的多异氰酸酯，所述反应在低于所述 固体多胺，并且在（3）选自（a）含有两个或多个羟基并且分子量为62至10,000的有机化合物的组分的存在下进行，（b）增塑剂，（c ）水，和（d）它们的混合物以在液体介质中形成多加合物覆盖的稳定化多胺的悬浮液。

    Process for the preparation of compounds having s-triazine units and epoxide groups
    6.
    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 。

    Process for the production of polyurea-elastomers and corresponding elastomers having an idealized segment structure
    10.
    发明授权
    Process for the production of polyurea-elastomers and corresponding elastomers having an idealized segment structure 失效
    制备具有理想化段段结构的聚脲弹性体和相应的弹性体的方法

    公开(公告)号：US4569982A

    公开(公告)日：1986-02-11

    申请号：US694572

    申请日：1985-01-24

    申请人： Gerhard Grogler ,  Heinrich Hess ,  Richard Kopp ,  Werner Rasshofer

    发明人： Gerhard Grogler ,  Heinrich Hess ,  Richard Kopp ,  Werner Rasshofer

    IPC分类号： C08G18/00 ,  C08G18/10 ,  C08G18/46 ,  C08G18/50 ,  C08G18/64 ,  C08G18/65 ,  C08G18/70 ,  C08G18/72 ,  C08G18/79 ,  C08G18/32

    CPC分类号： C08G18/707 ,  C08G18/10 ,  C08G18/4615 ,  C08G18/4623 ,  C08G18/5024 ,  C08G18/5027 ,  C08G18/5048 ,  C08G18/6529

    摘要： According to the present invention, relatively high molecular weight aliphatic and/or aromatic polyamines having molecular weights of from 400 to 8,000 (preferably from 600 to 4,000) are mixed with substantially equivalent quantities of low molecular weight, solid, finely-divided diisocyanates having a melting point of >40.degree. C., (preferably >80.degree. C.), such as phenylene diisocyanate, naphth lene-1,5-diisocyanate, dimeric toluylene-2,4-diisocyanate or the urea diisocyanate of toluylene-2,4-diisocyanate. This mixture, having a pot life of at least several minutes, is subsequently heated to a relatively high temperature, such as from 80.degree. to 200.degree. C.The products obtained have excellent elastic properties over a broad temperature range. They have an exceptionally flat modulus of elasticity curve (G') in the torsional vibration test. The hard and soft segments are markedly segregated and are thus not substantially disturbed by reciprocal interaction causing "softening".

    摘要翻译： 根据本发明，分子量为400至8,000（优选600至4,000）的相对高分子量的脂族和/或芳族多胺与基本上等量的低分子量固体，细分二异氰酸酯混合，其具有 熔点> 40℃（优选> 80℃），如亚苯基二异氰酸酯，萘-1,5-二异氰酸酯，二聚甲苯-2,4-二异氰酸酯或甲苯-2,4 二异氰酸酯。 随后将具有至少几分钟的适用期的混合物加热到相对较高的温度，例如80℃至200℃。所得产物在宽的温度范围内具有优异的弹性。 在扭转振动试验中，它们具有非常平坦的弹性模量曲线（G'）。 硬段和软段显着分离，因此基本上不会受到引起“软化”的相互作用的相互干扰。