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    • 1. 发明授权
    • Method for producing multilayer coatings
    • 生产多层涂料的方法
    • US06607788B1
    • 2003-08-19
    • US09486103
    • 2000-04-18
    • Egon WegnerGudrun WiemannEkkehard SapperHarald Angermüller
    • Egon WegnerGudrun WiemannEkkehard SapperHarald Angermüller
    • B05D136
    • C09D175/14C08L51/08C08L75/14C09D125/14C09D133/064C09D151/08C08L2666/02C08L2666/14
    • The invention embraces basecoating compositions comprising as binder constituents (i) an acrylate dispersion having a content of from 30 to 60% by weight of C1-C8-alkyl (meth)acrylate-containing monomers, from 30 to 60% by weight of vinylaromatic monomers and from 0.5 to 10% by weight of (meth)acrylic acid in the polymer, and (ii) a dispersion of a polymer which is obtainable by subjecting an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monomers to free-radical polymerization in the presence of a water-insoluble initiator or of a mixture of water-insoluble initiators and in an aqueous dispersion of a polyurethane resin which has a number-average molecular weight Mn of from 1000 to 30,000 daltons and comprises on average from 0.05 to 1.1 polymerizable double bonds per molecule, the weight ratio between the polyurethane resin and the ethylenically unsaturated monomers or the mixture of ethylenically unsaturated monomers lying between 1:10 and 10:1, and (iii) a Theological assistant which comprises a synthetic polymer having ionic and/or associative groups. Also embraced are processes for producing multicoat coating systems with coats of the said basecoating compositions, and substrates coated with such multicoat coating systems.
    • 本发明包括含有作为粘合剂成分的底漆组合物(i)含有30-60%(重量)含C1-C8-烷基(甲基)丙烯酸烷基酯单体的丙烯酸酯分散体,30-60%重量的乙烯基芳族单体 和聚合物中0.5〜10重量%的(甲基)丙烯酸,和(ii)聚合物的分散体,其可通过在烯属不饱和单体或烯属不饱和单体的混合物中进行自由基聚合而获得 存在水不溶性引发剂或水不溶性引发剂的混合物,并且在数均分子量Mn为1000至30,000道尔顿的聚氨酯树脂的水分散体中,平均包含0.05至1.1的可聚合双 每个分子的键,聚氨酯树脂和烯属不饱和单体之间的重量比或烯属不饱和单体的混合物的比例在1:10和10:1之间,和(iii) 神学助剂,其包含具有离子和/或缔合基团的合成聚合物。 还包括用所述底漆组合物的涂层生产多层涂布体系的工艺,以及用这种多涂层体系涂布的基材。
    • 4. 发明授权
    • Method for multilayer coatings with self-crosslinking graft polyurethane copolymers, self-crosslinking polyurethanes and graft copolymers thereof
    • 具有自交联接枝聚氨酯共聚物,自交联聚氨酯及其接枝共聚物的多层涂料的方法
    • US07855266B2
    • 2010-12-21
    • US11620146
    • 2007-01-05
    • Stephan SchwarteEgon WegnerHarald Angermüller
    • Stephan SchwarteEgon WegnerHarald Angermüller
    • C08G18/32C08G18/67C08G18/66
    • C09J151/003C08F283/006C08F290/147C08G18/0823C08G18/12C08G18/4233C08G18/6659C08G18/675C08L51/003C08L51/08C08L2666/04C08L2666/14C09D151/003C09D151/08C09D175/14C09J151/08C08G18/3271C08G18/286C08L33/00
    • The invention relates to a method for producing chromophore and/or effect giving multilayer lacquers according to the wet-on-wet method. A water base lacquer is applied which contains at least one graft copolymer containing (A) at least one (meth)acrylate copolymer and (B) at least one polyurethane. The graft copolymer can be produced by (1) dispersing at least one hydrophilic or hydrophobic self cross-linking polyurethane (B) with a statistical average of at least one terminal and/or at least one lateral olefinically unsaturated group and at least one blocked isocyanate group per molecule in an aqueous medium. (2) A mixture of a at least one monomer (a1) with at least one isocyanate reactive functional group at last one monomer (a2) that can be copolymerised therewith is subsequently radically copolymerised in an emulsion in the presence of the polyurethane (B) or the polyurethanes (B). A powder slurry transparent lacquer layer is added to the resulting base lacquer layer. The base lacquer layer and the transparent lacquer layer are hardened together. The invention also relates to novel hydrophilic or hydrophobic self cross-linking polyurethanes (B) with at least one lateral and/or at least one terminal olefinically unsaturated group and at least one lateral blocked isocyanate group per molecule and graft copolymers on the basis of said polyurethanes (B) as well as the use thereof.
    • 本发明涉及一种根据湿法湿法生产发色团和/或产生多层漆的效果的方法。 应用含有(A)至少一种(甲基)丙烯酸酯共聚物和(B)至少一种聚氨酯)的至少一种接枝共聚物的水基漆。 接枝共聚物可以通过(1)分散至少一种具有至少一个末端和/或至少一个侧面烯属不饱和基团的统计平均值的至少一种亲水或疏水性自交联聚氨酯(B)和至少一种封端异氰酸酯 每个分子在水性介质中。 (2)在聚氨酯(B)的存在下,将至少一种单体(a1)与至少一种可与其共聚的单体(a2)的至少一种异氰酸酯反应性官能团的混合物随后在乳液中自由基共聚, 或聚氨酯(B)。 将粉末浆状透明漆层加入到所得的基漆层中。 基底漆层和透明漆层一起硬化。 本发明还涉及具有至少一个侧链和/或至少一个末端烯属不饱和基团和每个分子至少一个侧向封端异氰酸酯基团的新型亲水或疏水自交联聚氨酯(B)和基于所述 聚氨酯(B)及其用途。
    • 5. 发明授权
    • Method of producing multilayer color and/or effect paint systems utilizing self-crosslinking graft copolymers of polyurethane
    • 利用聚氨酯的自交联接枝共聚物生产多层彩色和/或效果漆系统的方法
    • US07198824B1
    • 2007-04-03
    • US10130026
    • 2000-10-09
    • Stephan SchwarteEgon WegnerHarald Angermüller
    • Stephan SchwarteEgon WegnerHarald Angermüller
    • B05D1/36B05D1/38B05D3/02B05D7/16
    • C09J151/003C08F283/006C08F290/147C08G18/0823C08G18/12C08G18/4233C08G18/6659C08G18/675C08L51/003C08L51/08C08L2666/04C08L2666/14C09D151/003C09D151/08C09D175/14C09J151/08C08G18/3271C08G18/286C08L33/00
    • The invention relates to a method for producing chromophore and/or effect giving multilayer lacquers according to the wet-on-wet method. A water base lacquer is applied which contains at least one graft copolymer containing (A) at least one (meth)acrylate copolymer and (B) at least one polyurethane. The graft copolymer can be produced by (1) dispersing at least one hydrophilic or hydrophobic self cross-linking polyurethane (B) with a statistical average of at least one terminal and/or at least one lateral olefinically unsaturated group and at least one blocked isocyanate group per molecule in an aqueous medium. (2) A mixture of a at least one monomer (a1) with at least one isocyanate reactive functional group at last one monomer (a2) that can be copolymerized therewith is subsequently radically copolymerized in an emulsion in the presence of the polyurethane (B) or the polyurethanes (B). A powder slurry transparent lacquer layer is added to the resulting base lacquer layer. The base lacquer layer and the transparent lacquer layer are hardened together. The invention also relates to novel hydrophilic or hydrophobic self cross-linking polyurethanes (B) with at least one lateral and/or at least one terminal olefinically unsaturated group and at least one lateral blocked isocyanate group per molecule and graft copolymers on the basis of said polyurethanes (B) as well as the use thereof.
    • 本发明涉及一种根据湿法湿法生产发色团和/或产生多层漆的效果的方法。 应用含有(A)至少一种(甲基)丙烯酸酯共聚物和(B)至少一种聚氨酯)的至少一种接枝共聚物的水基漆。 接枝共聚物可以通过(1)分散至少一种具有至少一个末端和/或至少一个侧面烯属不饱和基团的统计平均值的至少一种亲水或疏水性自交联聚氨酯(B)和至少一种封端异氰酸酯 每个分子在水性介质中。 (2)在聚氨酯(B)的存在下,在乳液中自由基共聚至少一种单体(a1)与最后一个可与之共聚的单体(a2)的至少一种异氰酸酯反应性官能团的混合物, 或聚氨酯(B)。 将粉末状浆料透明漆层加入到所得基漆层中。 基底漆层和透明漆层一起硬化。 本发明还涉及具有至少一个侧链和/或至少一个末端烯属不饱和基团和每个分子至少一个侧向封端异氰酸酯基团的新型亲水或疏水自交联聚氨酯(B)和基于所述 聚氨酯(B)及其用途。