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    METHODS FOR PROVIDING A LOW GLOSS POLYURETHANE COATING ON A SUBSTRATE
    83.
    发明申请
    METHODS FOR PROVIDING A LOW GLOSS POLYURETHANE COATING ON A SUBSTRATE 审中-公开
    在基材上提供低GLOSS聚氨酯涂层的方法

    公开(公告)号：US20150259566A1

    公开(公告)日：2015-09-17

    申请号：US14203953

    申请日：2014-03-11

    申请人： Bayer MaterialScience LLC

    发明人： Julia Broglie ,  William Corso ,  Jeffrey Dormish ,  Lyubov Gindin ,  Suzanne Holt

    IPC分类号： C09D175/04

    CPC分类号： C09D175/04 ,  C08G18/0819 ,  C08G18/0828 ,  C08G18/44 ,  C08J3/005 ,  C08J3/03 ,  C08J3/05 ,  C08J3/07 ,  C08J2375/04 ,  C08J2433/00 ,  C08J2475/04 ,  C08L33/06 ,  C14C11/006 ,  D06N3/144 ,  D21H19/20 ,  D21H19/26 ,  D21H19/30 ,  D21H19/66 ,  Y10T428/249921 ,  C08L33/00 ,  C08L75/04

    摘要： Disclosed are methods for coating a substrate. These methods include: (a) preparing a two-component coating composition by mixing a first component and a second component to make a mixture thereof, and (b) depositing the mixture over the substrate to form a film having a 60° gloss of no more than 35 gloss units (measured according to ASTM D523-89). In these methods: (i) the first component includes: (A) an aqueous anionic, aliphatic polyurethane dispersion comprising a polyurethane having terminal methylol groups; and (ii) the second component comprises an aqueous anionic acrylic polymer solution having a viscosity of 25,000 to 60,000 mPa·s at 20° C. when measured according to DIN EN ISO 3219 at a non-volatile content of 9% to 11% by weight, based on the total weight of the solution, measured according to DIN 53189.

    摘要翻译： 公开了涂布基材的方法。 这些方法包括：（a）通过混合第一组分和第二组分以制备其混合物来制备双组分涂料组合物，和（b）将所述混合物沉积在基材上以形成具有60°光泽度的膜 超过35个光泽单位（根据ASTM D523-89测量）。 在这些方法中：（i）第一组分包括：（A）包含具有末端羟甲基的聚氨酯的含水阴离子脂族聚氨酯分散体; 和（ii）第二组分包含在20℃下粘度为25,000至60,000mPa·s的水性阴离子丙烯酸类聚合物溶液，当根据DIN EN ISO 3219测量时，其非挥发物含量为9％至11％，通过 重量，基于溶液的总重量，根据DIN 53189测量。

    AQUEOUS POLYURETHANE DISPERSION FOR WATERPROOF BREATHABLE COATINGS
    87.
    发明申请
    AQUEOUS POLYURETHANE DISPERSION FOR WATERPROOF BREATHABLE COATINGS 有权
    防水透气涂料的水性聚氨酯分散体

    公开(公告)号：US20140342624A1

    公开(公告)日：2014-11-20

    申请号：US14344416

    申请日：2012-09-11

    申请人： Sebastian Dörr ,  Hans Georg Grablowitz ,  Sophie Viala ,  Thomas Feller ,  Thomas Michaelis

    发明人： Sebastian Dörr ,  Hans Georg Grablowitz ,  Sophie Viala ,  Thomas Feller ,  Thomas Michaelis

    IPC分类号： C09D175/06

    CPC分类号： C09D175/06 ,  C08G18/0828 ,  C08G18/4238 ,  C08G18/6637 ,  C08G18/758 ,  C09D175/04 ,  D06N3/14 ,  D06N3/146 ,  D06N3/147 ,  D06N2209/123 ,  D06N2209/128 ,  Y10T428/31551 ,  Y10T428/31598 ,  Y10T428/31605 ,  Y10T442/20 ,  C08G18/10 ,  C08G18/3857 ,  C08G18/3228

    摘要： Aqueous polyurethane dispersion for waterproof breathable coatings An aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer A) with an isocyanate-reactive component B), wherein the isocyanate-functional prepolymer A) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ≧50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component B) comprises a compound comprising sulfonate groups which is employed in an amount of ≧3.5 weight-% to ≦10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component B).The invention also concerns the use of such an aqueous polyurethane dispersion for coatings, a method of manufacturing a coated substrate and to a coated substrate.

    摘要翻译： 用于防水透气涂层的水性聚氨酯分散体水性聚氨酯分散体包含通过异氰酸酯官能的聚氨酯预聚物A）与异氰酸酯反应性组分B）反应得到的聚氨酯聚合物，其中异氰酸酯官能的预聚物A）可通过反应 的混合物，其包含：多元醇组分，其包含通过包含脂族二羧酸和至少一种选自直链脂族二醇和支链脂族二醇的二醇的混合物反应获得的聚酯多元醇; 和包含基于多异氰酸酯的总重量的≥50重量％的二环己基甲烷二异氰酸酯的多异氰酸酯组分。 异氰酸酯反应性组分B）包含基于多元醇组分，多异氰酸酯组分和异氰酸酯组分的总重量的基于重量百分比为3.5重量％至10重量％的磺酸盐基团的化合物; 反应性组分B）。本发明还涉及这种用于涂料的水性聚氨酯分散体的用途，制备涂覆的基材的方法和涂覆的基材。