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    Aqueous polyurethane dispersions
    2.
    发明申请
    Aqueous polyurethane dispersions 审中-公开

    公开(公告)号：US20050222368A1

    公开(公告)日：2005-10-06

    申请号：US11093158

    申请日：2005-03-29

    申请人： Juergen Reiners ,  Tillmann Hassel ,  Gerald Kurek

    发明人： Juergen Reiners ,  Tillmann Hassel ,  Gerald Kurek

    IPC分类号： C08G18/08 ,  C08G18/12 ,  C08G18/40 ,  C08G18/66 ,  C09D175/04 ,  C08G18/28

    CPC分类号： C08G18/12 ,  C08G18/0823 ,  C08G18/4018 ,  C08G18/6659 ,  C08G18/6692 ,  C09D175/04 ,  Y10T428/31558 ,  Y10T428/31591 ,  Y10T428/31605 ,  C08G18/3225 ,  C08G18/61 ,  C08G18/285 ,  C08G18/6529

    摘要： Polyurethane which is obtainable by reacting a) an NCO-containing prepolymer composed of a1) at least one polyesterpolyol, preferably polycarbonatepolyol, carbonate group-free polyesterpolyol, polyestercarbonatepolyol, polyesteramidepolyol, in particular polyesterdiol, having an average molecular weight, determined as the number average, greater than or equal to 500 g/mol, preferably from 500 to 6000 g/mol, in particular from 500 to 4000 g/mol, very particularly preferably from 800 to 4000 g/mol, and a2) at least one polyetherpolyol which differs from a1) and is preferably polyalkylene glycol, such as polyethylene glycol, polypropylene glycol, polytetramethylene glycol, polyhexamethylene glycol and copolyethers, in particular those containing building blocks from the group consisting of ethyleneoxy, propyleneoxy, tetramethyleneoxy and/or hexamethyleneoxy, having a molecular weight, determined as the number average, greater than or equal to 500, preferably from 500 to 10 000 g/mol, in particular from 500 to 4000, particularly preferably from 800 to 4000, g/mol, preferably a polyetherdiol, and a3) at least one polyol, in particular diol, having a molecular weight of less than 500 g/mol, which carries one or more ionic groups and/or one or more potentially ionic groups, preferably carries one or more carboxylate groups, and a4) at least one aliphatic polyisocyanate, preferably diisocyanate, preferably having a molecular weight of less than 500 g/mol, in particular from 112 to 400 g/mol, particularly preferably from 168 to 262 g/mol, and a5) optionally a nonionic polyol, preferably diol having a molecular weight of less than 500 g/mol, preferably from 61 to 499 g/mol, and a6) optionally a monoalcohol with b) at least one polysiloxane reactive towards NCO groups and having a molecular weight, determined as the number average, of less than 1500 g/mol, preferably having 1 to 6, in particular 1 to 3, amino and/or hydroxyl groups reactive towards NCO groups, in particular amino groups, and c) at least one amine reactive towards NCO groups and having an average amino functionality of from 1 to 6 and a molecular weight of less than 500 g/mol (molecular weight determined as the number average), which may be substituted by hydroxyl groups and/or sulpho groups and/or carboxyl groups, and d) water, the molar ratio of the hydroxy-functional compounds used for the preparation of the prepolymer a) to the polyisocyanate being from 1: 1.1 to 1: 2.5, preferably from 1.1:1 to 1: 1.7.

    Aqueous polyurethane dispersions
    4.
    发明授权
    Aqueous polyurethane dispersions 有权
    水性聚氨酯分散体

    公开(公告)号：US06284836B1

    公开(公告)日：2001-09-04

    申请号：US09411096

    申请日：1999-10-04

    申请人： Tillmann Hassel ,  Juergen Meixner ,  Thomas Muenzmay ,  Juergen Reiners ,  Jörg Schoob

    发明人： Tillmann Hassel ,  Juergen Meixner ,  Thomas Muenzmay ,  Juergen Reiners ,  Jörg Schoob

    IPC分类号： C08J300

    CPC分类号： C14C11/006 ,  C08G18/0823 ,  C08G18/12 ,  C08G18/4018 ,  C08G18/4277 ,  C08G18/4854 ,  C08G18/6625 ,  C08G18/706 ,  C09D175/04 ,  Y10T428/31551 ,  C08G18/302 ,  C08G18/3275

    摘要： Aqueous polyurethane dispersions containing a polyurethane, composed of a) at least one polyol having an average molecular weight, determined as the number average, of 500-6000 g/mol, preferably 1000 to 4000, in particular 1500 to 3000 g/mol, b) at least one polyol, preferably diol, having a molecular weight of less than 500 g/mol, preferably of 61 to 499 g/mol, c) at least one aliphatic polyisocyanate, preferably diisocyanate, d) at least one diol having a molecular weight of less than 450 g/mol, which carries one or more ionic groups and/or one or more potentially ionic groups, preferably at least one carboxyl group, e) at least one amine which is reactive towards NCO groups, carries hydroxyl groups and has an OH functionality of 1 to 6, f) water and optionally g) a monoalcohol, characterized in that the molar ratio of polyol of the component a) to the sum of the polyols b) and d) is 1:1.5 to 1:4, preferably 1:2 to 1:3, the molar ratio of the sum of the polyols a), b) and d) to the polyisocyanate c) is 1:1.1 to 1:2.5, preferably 1:1.2 to 1:1.7, the OH functionality of the polyurethane being 2 to 6, preferably 2 to 4, and the average molecular weight, determined as the number average, of the polyurethane being less than 15,000, preferably from 2500 to 10,000, in particular from 3000 to 7000, g/mol.

    摘要翻译： 含有聚氨酯的水性聚氨酯分散体由以下组成：a）至少一种数均分子量为500-6000g / mol，优选1000-4000，特别是1500-3000g / mol的平均分子量的多元醇，b） 至少一种分子量小于500g / mol，优选61至499g / mol的多元醇，优选二醇，c）至少一种脂族多异氰酸酯，优选二异氰酸酯，d）至少一种具有分子量的二醇 其携带一个或多个离子基团和/或一个或多个潜在的离子基团，优选至少一个羧基，e）至少一个对NCO基团具有反应性的胺，其携带羟基并具有 1至6的OH官能团，f）水和任选地g）一元醇，其特征在于组分a）的多元醇与多元醇b）和d）之和的摩尔比为1:1.5至1:4， 优选1:2至1:3，多元醇a），b）和d）之和与多异氰酸酯的摩尔比 苯甲酸酯c）为1：1.1至1：2.5，优选1：1.2至1：1.7，聚氨酯的OH官能度为2至6，优选2至4，平均分子量为数均分子量 聚氨酯小于15,000，优选2500至10,000，特别是3000至7000g / mol。

    Anionically modified polyurethane ureas having reduced tackiness for the coating of leather
    5.
    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。

    Water-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositions
    7.
    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。