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    • 3. 发明申请
    • AQUEOUS POLYMER COMPOSITIONS COMPRISING POLYURETHANE (METH)ACRYLATES
    • 包含聚氨酯(甲基)丙烯酸酯的水性聚合物组合物
    • WO2017029280A1
    • 2017-02-23
    • PCT/EP2016/069404
    • 2016-08-16
    • BASF SE
    • BERGER, SebastianTHUERY, PeterNEUMANN, SusanneBURKHARDT, UweBECKER, AxelKUNZ, DanielWAHL, StefanROESCH, Christine
    • C08G18/62C08G18/72C08G18/73C08G18/75C08G18/79C08F290/06C08G18/08C08G18/22C08G18/28C08G18/32C08G18/42
    • C08G18/283C08F290/067C08G18/0823C08G18/222C08G18/3206C08G18/4238C08G18/6229C08G18/722C08G18/725C08G18/73C08G18/755C08G18/758C08G18/792C08F222/10
    • The present invention relates to aqueous polymer compositions comprising in dispersed form at least one polyurethane (meth)acrylate A and at least one compound B having a molecular weight of below 1000 g/moland having on average more than two ethylenically unsaturated double bonds per molecule. The invention also relates to the use of the aqueous polymer compositions for producing coatings. The polyurethane (meth)acrylates A are constructed from: A1an isocyanate component A1comprising: A1aat least one polyisocyanate obtainable by oligomerization of at least one diisocyanate and having an average isocyanate functionality of at least 2.5, the diisocyanate having at least one saturated alicyclic structural unit; and A1bat least one diisocyanate selected from saturated aliphatic and saturated alicyclic diisocyanates; A2as component A2, at least one compound which has at least one ethylenically unsaturated double bond in the form of an acrylic or methacrylic group, and also has at least one functional group F which reacts with an isocyanate group to form a covalent bond; A3at least one neutral polyol component A3 comprising A3aat least one aliphatic, polymeric polyol having an average OH functionality in the range from 1.5 to 2.5; A3bat least one low molecular weight diol compound having a molecular weight of not more than 400g/mol and selected from saturated aliphatic and saturated alicyclic diols; A4as component A4, at least one compound which has at least one ionic or ionizable group I' and at least one functional group F' which reacts with an isocyanate group to form a covalent bond; and optionally A5 as component A5, at least one poly-C 2 -C 3 alkylene ether compound having an average OH functionality in the range from 0.9 to 1.2.
    • 本发明涉及含水聚合物组合物,其包含分散形式的至少一种聚氨酯(甲基)丙烯酸酯A和至少一种分子量低于1000g / mol的化合物B,每分子具有平均多于两个烯键式不饱和双键。 本发明还涉及用于生产涂料的水性聚合物组合物的用途。 聚氨酯(甲基)丙烯酸酯A由以下组成:A1an异氰酸酯组分A1,包括至少一种通过至少一种二异氰酸酯的低聚而得到的异氰酸酯官能度至少为2.5的二异氰酸酯,该二异氰酸酯具有至少一个饱和脂环结构单元; 和A1bat至少一种选自饱和脂族和饱和脂环族二异氰酸酯的二异氰酸酯; A2as组分A2,至少一种具有至少一个丙烯酸或甲基丙烯酸基团的烯属不饱和双键的化合物,并且还具有至少一个与异氰酸酯基团反应形成共价键的官能团F; A3至少一种中性多元醇组分A3,其包含A3至少一种脂族,聚合多元醇,其平均OH官能度在1.5至2.5的范围内; A3b分子量不超过400g / mol的至少一种低分子量二醇化合物,选自饱和脂族和饱和脂环族二醇; A4as组分A4,至少一种具有至少一个离子或可离子化基团I'和至少一个与异氰酸酯基团反应形成共价键的官能团F'的化合物; 和任选的A5作为组分A5,至少一种具有0.9-1.2的平均OH官能度的聚-C2-C3亚烷基醚化合物。