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24 条记录 (耗时 0.113 秒)

    Water-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositions
    1.
    发明授权
    Water-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositions 失效
    水分散性多异氰酸酯混合物，其制备方法及其在双组分含水组合物中的应用

    公开(公告)号：US5252696A

    公开(公告)日：1993-10-12

    申请号：US971491

    申请日：1992-11-04

    申请人： Hans J. Laas ,  Tillmann Hassel ,  Werner Kubitza ,  Reinhard Halpaap ,  Klaus Noll

    发明人： Hans J. Laas ,  Tillmann Hassel ,  Werner Kubitza ,  Reinhard Halpaap ,  Klaus Noll

    IPC分类号： C08G18/10 ,  C08G18/28 ,  C08G18/62 ,  C08G18/70 ,  C08G18/73 ,  C08G18/75 ,  C08G18/79 ,  C09D175/00 ,  C09D175/04 ,  C09D175/08 ,  C08G18/30

    CPC分类号： C08G18/798 ,  C08G18/283 ,  C08G18/6229 ,  C08G18/706 ,  C08G18/792

    摘要： The present invention relates to water-dispersible polyisocyanate mixtures whicha) have an average isocyanate functionality of 1.8 to 4.2,b) contain 12.0 to 21.5% by weight of (cyclo)aliphatically bound isocyanate groups (calculated as NCO, molecular weight=42) andc) contain 2 to 20% by weight of ethylene oxide units (calculated as C.sub.2 H.sub.4 O, molecular weight=44) arranged within polyether chains, the polyether chains containing an average of 5.0 to 9.9 ethylene oxide units.The present invention also relates to the preparation of these polyisocyanate mixtures by reacting at an NCO/OH equivalent ratio of 4:1 to 120:1A) a polyisocyanate component having an average isocyanate functionality of 2.1 to 4.4 and containing one or more polyisocyanates in which all the isocyanate groups are (cyclo)aliphatically bound withB) a monovalent polyalkylene oxide polyether alcohol containing an average of 5.0 to 9.9 ethylene oxide units.Finally, the present invention also relates to aqueous two-component compositions containing these polyisocyanate mixtures and aqueous resins having isocyanate-reactive groups.

    摘要翻译： 本发明涉及a）具有1.8-4.2的平均异氰酸酯官能度的水分散性多异氰酸酯混合物，b）含有12.0至21.5重量％（环）脂族结合的异氰酸酯基团（按NCO计算，分子量= 42） 和c）包含2至20重量％的排列在聚醚链内的环氧乙烷单元（按C 2 H 4 O计算，分子量= 44），所述聚醚链平均含有5.0至9.9个环氧乙烷单元。 本发明还涉及这些多异氰酸酯混合物的制备，其反应为NCO / OH当量比为4:1至120:1，A）异氰酸酯官能度平均值为2.1至4.4的多异氰酸酯组分，并含有一种或多种多异氰酸酯 其中所有异氰酸酯基团（B）与B）一种含有平均5.0-9.9个环氧乙烷单元的一价聚环氧烷聚醚醇。 最后，本发明还涉及含有这些多异氰酸酯混合物和具有异氰酸酯反应性基团的水性树脂的水性双组分组合物。

    Anionically modified polyurethane ureas having reduced tackiness for the coating of leather
    3.
    发明授权
    Anionically modified polyurethane ureas having reduced tackiness for the coating of leather 失效
    具有降低皮革涂层粘性的阴离子改性聚氨酯脲

    公开(公告)号：US5770264A

    公开(公告)日：1998-06-23

    申请号：US711423

    申请日：1996-09-05

    申请人： Thomas Munzmay ,  Tillmann Hassel

    发明人： Thomas Munzmay ,  Tillmann Hassel

    IPC分类号： C08G18/08 ,  C08G18/12 ,  C09D175/12 ,  C14C11/00 ,  B05D3/00 ,  B05D3/02 ,  B05D3/12 ,  C14C5/00

    CPC分类号： C14C11/006 ,  C08G18/0819 ,  C08G18/12 ,  C09D175/12 ,  Y10T428/31558

    摘要： This invention relates to a method for coating leather with an anionically modified polyurethane urea prepared by (1) reacting (A) an aromatic diisocyanate, (B) a polyether polyol having a number average molecular weight greater than 1500, (C) at least one compound containing 1 to 2 isocyanate-reactive groups and at least one ionic group, and (D) a polyamine having a number average molecular weight of at least 32, wherein the average total functionality of compounds (B), (C), and (D) is 1.85 to 2.2 and the molar ratio between the NCO groups of component (A) and the NCO-reactive groups of components (B), (C), and (D) is greater than 1, thereby forming an intermediate having residual NCO groups, and (2) mixing the intermediate product with water to form an aqueous dispersion of an anionically modified polyurethane urea having 800 to 1500 mmol of urethane groups and 800 to 1800 mmol of urethane plus urea groups per kilogram of the polyurethane urea.

    摘要翻译： 本发明涉及一种用阴离子改性聚氨酯脲涂覆皮革的方法，该方法是（1）使（A）芳族二异氰酸酯，（B）数均分子量大于1500的聚醚多元醇，（C）至少一种 含有1至2个异氰酸酯反应性基团和至少一个离子基团的化合物，和（D）数均分子量至少为32的多胺，其中化合物（B），（C）和（C） D）为1.85〜2.2，组分（A）的NCO基与组分（B），（C）和（D）的NCO-反应性基团之间的摩尔比大于1，从而形成具有残余 NCO基团，和（2）将中间产物与水混合以形成每千克聚氨酯脲具有800至1500mmol氨基甲酸酯基团和800至1800mmol氨基甲酸酯加脲基团的阴离子改性聚氨酯脲的水分散体。

    Isocyanato-acylurethanes, a process for their preparation and their use
    9.
    发明授权
    Isocyanato-acylurethanes, a process for their preparation and their use 失效
    异氰酸酯 - 氨基甲酸酯，其制备方法及其用途

    公开(公告)号：US4921996A

    公开(公告)日：1990-05-01

    申请号：US227980

    申请日：1988-08-02

    申请人： Walter Schafer ,  Hanns P. Muller ,  Tillmann Hassel

    发明人： Walter Schafer ,  Hanns P. Muller ,  Tillmann Hassel

    IPC分类号： C07C275/60 ,  C07C67/00 ,  C07C239/00 ,  C08F20/36 ,  C08G18/70 ,  C08G18/71 ,  C08G18/78

    CPC分类号： C08G18/714 ,  C08F20/36 ,  C08G18/701 ,  C08G18/7806

    摘要： The present invention relates to isocyanto-acylurethanes corresponding to Formula I ##STR1## wherein R has a valency of m+n and is a hydrocarbon group,R' is a hydrocarbon group andm and n may be identical or different, and each have a value of 1 or 2.The present invention also relates to a process for preparation of these isocyanato-acylurethanes which comprises reacting isocyanato-carboxylic acid chlorides with carbamic acid esters. Finally, the present invention is directed to the use of these isocyanato-acylurethanes as intermediate products for the production of thermally cross-linkable synthetic resins or synthetic resin precursors and also as intermediate products for the preparation of cross-linking agents for synthetic resins.

    摘要翻译： 本发明涉及对应于式I的异氰酸基 - 酰基氨基甲酸酯（I）其中R具有m + n的化合价并且是烃基，R'是烃基，m和n可以相同或不同，以及 各自具有1或2的值。本发明还涉及这些异氰酸酯基 - 氨基甲酸酯的制备方法，其包括使异氰酸根合羧酸氯化物与氨基甲酸酯反应。 最后，本发明涉及这些异氰酸酯基 - 氨基甲酸酯作为生产可热交联的合成树脂或合成树脂前体的中间产物以及用作制备用于合成树脂的交联剂的中间产品的用途。