Aqueous electrodeposition coating, the production and use thereof
    24.
    发明授权
    Aqueous electrodeposition coating, the production and use thereof 失效
    水性电沉积涂层,其生产和使用

    公开(公告)号:US06509411B1

    公开(公告)日:2003-01-21

    申请号:US09856325

    申请日:2001-05-18

    IPC分类号: C08G1862

    摘要: Aqueous, anodically precipitable electrodeposition lacquer, containing A) an aqueous dispersion consisting of anionically modified polyurethane (meth)acrylates (a1) having terminal, ethylenically unsaturated (meth)acrylic double bonds, and reactive thinners (a2) having at least two ethylenically unsaturated (meth)acrylic double bonds, whereby the (meth)acrylic double bonds from the mixture comprising (a1) and (a2) correspond to a bromine number of 20 to 150 g bromine/100 g solids, and B) optionally photo-initiators and/or optionally thermally activable radical initiators, whereby the terminal ethylenically unsaturated (meth)acrylic double bonds from the polyurethane (meth)acrylates are bonded to the anionically modified polyurethane prepolymer via urethane, urea, amide or ester groups, and optionally conventional auxiliary substances and additives, pigments and/or fillers.

    摘要翻译: 水性阳极可沉淀的电沉积漆,含有A)由阴离子改性的聚氨酯(甲基)丙烯酸酯(a1),具有末端,烯属不饱和(甲基)丙烯酸双键的反应性稀释剂(a2)组成的水性分散体和具有至少两个烯属不饱和(甲基) )丙烯酸双键,其中来自(a1)和(a2)的混合物中的(甲基)丙烯酸双键对应于溴数为20至150g溴/ 100g固体,和B)任选的光引发剂和/或任选地 聚氨酯(甲基)丙烯酸酯的末端烯键式不饱和(甲基)丙烯酸双键通过氨基甲酸酯,脲,酰胺或酯基与任选的常规辅助物质和添加剂,颜料结合到阴离子改性的聚氨酯预聚物上 和/或填料。

    Aqueous coating agent, preparation of the same and use thereof for multi-layered lacquering
    25.
    发明授权
    Aqueous coating agent, preparation of the same and use thereof for multi-layered lacquering 失效
    水性涂​​料,其制备方法及其用于多层涂漆

    公开(公告)号:US06437041B1

    公开(公告)日:2002-08-20

    申请号:US09601669

    申请日:2000-09-29

    IPC分类号: C08L8300

    摘要: Aqueous coating agents suitable for multi-layered finishes containing an aqueous binder dispersion based on polyurethane/polymer hybrid polymers with a ratio by weight of polyurethane fraction to polymer fraction of 0.1:1 to 50:1, with a hydroxyl value of 0 to 150 mg KOH/g, an acid value of 1.5 to 60 mg KOH/g, and a concentration of 0.5 to 300 mmol of silicon per 100 g of solid resin in the form of siloxane bridges (—Si—O—Si—) incorporated into the polyurethane fraction and/or in the form of silanol groups bonded to the polyurethane fraction, obtainable by polymerization of olefinically unsaturated monomers in the presence of polyurethane prepolymers which do not contain olefinic double bonds.

    摘要翻译: 适用于含有基于聚氨酯/聚合物杂化聚合物的水性粘合剂分散体的多层涂料的水性涂料,其中聚氨酯级分与聚合物分数的重量比为0.1:1至50:1,羟值为0至150mg KOH / g,酸值为1.5〜60mgKOH / g,浓度为0.5〜300mmol硅/硅烷桥(-Si-O-Si-)形式的固体树脂, 聚氨酯部分和/或与聚氨酯部分结合的硅烷醇基团的形式,可通过烯属不饱和单体在不含烯属双键的聚氨酯预聚物的存在下聚合获得。

    Aqueous dispersions of epoxy resins
    27.
    发明授权
    Aqueous dispersions of epoxy resins 失效
    环氧树脂的水性分散体

    公开(公告)号:US06258875B1

    公开(公告)日:2001-07-10

    申请号:US09527648

    申请日:2000-03-17

    IPC分类号: C08K320

    CPC分类号: C08G18/581 C08G18/0866

    摘要: Aqueous dispersions of modified epoxy resins with a urethane and a urea group content of 5-250 mmol, based on 100 g solid content of the dispersion, containing one or more modified epoxy resins A) having an epoxy equivalent weight of 250-10,000, whereby the modified epoxy resins A) are the reaction product of A1) 43,0-86,0 wt-% of one or more epoxy compounds having at least 2 epoxy groups per molecule and an epoxy equivalent weight of 100 to 2000, A2) 10,0-25,0 wt-% of one or more aromatic polyols, A3) 2,0-12,0 wt-% of one or more aliphatic polyols and A4) 2,0-20,0 wt-% of one or more polyisocyanates.

    摘要翻译: 基于100克固体含量的分散体,含有一种或多种环氧当量为250-10,000的改性环氧树脂A),其中氨基甲酸酯和脲基含量为5-250mmol的改性环氧树脂的水分散体,其中 改性环氧树脂A)是每分子具有至少2个环氧基团和环氧当量为100-2000的一种或多种环氧化合物中的一种或多种环氧化合物的重量比为A1〜 ,0-25.0重量%的一种或多种芳族多元醇,A3)2,0-12,0重量%的一种或多种脂族多元醇和A4)2,0-20,0重量%的一种或多种 更多的多异氰酸酯。