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    • 1. 发明授权
    • Process for producing multi-layer coatings in light metallic color shades
    • 以轻金属色调制作多层涂层的方法
    • US08865262B2
    • 2014-10-21
    • US12560516
    • 2009-09-16
    • Marc ChillaMichael GeorgiadisVolker KegelGunter Richter
    • Marc ChillaMichael GeorgiadisVolker KegelGunter Richter
    • B05D5/06B05D7/14B05D1/36
    • C09D5/38B05D7/14B05D7/572B05D2601/02B05D2601/08C09D5/36Y10T428/256
    • A process for producing multi-layer coatings in light metallic color shades and reducing UV transmission there-through comprising the successive steps of: (1) applying a 10 to 30 μm thick base coat layer to a pre-coated substrate, (2) applying a clear coat layer onto the base coat layer, and (3) jointly curing the base coat and clear coat layers, wherein the base coat layer is applied from an unmodified water-borne metallic base coat having a ratio by weight of pigment to resin solids of 0.3:1 to 0.45:1, wherein the pigment content consists of 90% to 100% by weight of at least one non-leafing aluminum pigment with a platelet thickness over 100 to 500 nm and 0 to 10% by weight of at least one pigment different from aluminum pigments, wherein the pigment(s) different from aluminum pigments are selected in such a way that the multi-layer coating obtained exhibits a brightness L* (according to CIEL*a*b*, DIN 6174), of at least 80 units.
    • 一种用于制造轻金属色调多层涂层并减少紫外线透射的方法,其包括以下连续步骤:(1)将10至30μm厚的底涂层施加到预涂底物上,(2)涂布 在底涂层上的透明涂层,和(3)共同固化底涂层和透明涂层,其中底涂层由未改性的水性金属底涂层涂覆,颜料与树脂固体的重量比 为0.3:1至0.45:1,其中颜料含量由90%至100%重量的至少一种片状厚度在100至500nm以上至少0至10重量%的非漂浮铝颜料 一种不同于铝颜料的颜料,其中与铝颜料不同的颜料以这样的方式选择,使得所获得的多层涂层呈现亮度L *(根据CIEL * a * b *,DIN 6174), 至少80个单位。
    • 5. 发明申请
    • Process for the production of primer surfacer-free multi-layer coatings
    • 生产无底漆无多层涂料的工艺
    • US20060134334A1
    • 2006-06-22
    • US11019558
    • 2004-12-22
    • Marc ChillaGiannoula AvgenakiVolker Paschmann
    • Marc ChillaGiannoula AvgenakiVolker Paschmann
    • B05D3/02B05D1/36
    • B05D7/572B05D7/14B05D2601/02
    • A process for the production of multi-layer coatings, comprising the successive steps: 1) applying a 10 to 35 μm thick base coat layer onto a substrate provided with an EDC primer, 2) applying a clear coat layer onto the base coat layer, 3) jointly curing the base coat and clear coat layers, wherein the base coat layer is applied in a first layer and in a second layer; the first layer comprises a modified water-borne base coat produced by mixing an unmodified water-borne base coat with a pigmented admixture component and the second layer comprises the unmodified water-borne base coat, wherein the admixture component contains at least one polyisocyanate, has a ratio by weight of pigment content to resin solids content of 0.05:1 to 0.5:1 and is mixed into the unmodified water-borne base coat in a ratio by weight of 0.2 to 1 parts of polyisocyanate: 1 part of resin solids of the unmodified water-borne base coat, and wherein the pigment content of the admixture component comprises at least one pigment which effectively reduces UV transmission and wherein the pigment content is made in such a way that UV light can penetrate through the base coat layer formed from modified water-borne base coat and unmodified water-borne base coat only in accordance with a UV transmission of less than 0.1% in the wavelength range of from 280 to 380 nm and of less than 0.5% in the wavelength range of from 380 to 400 nm.
    • 一种制备多层涂层的方法,包括以下连续步骤:1)在具有EDC底漆的基材上施加10至35μm厚的底涂层,2)在底涂层上施加透明涂层, 3)共同固化底涂层和透明涂层,其中底涂层施加在第一层和第二层中; 第一层包括通过将未改性的水性底涂层与着色混合物组分混合而制备的改性水性底漆,第二层包含未改性的水性底涂层,其中所述混合物组分含有至少一种多异氰酸酯,具有 颜料含量与树脂固体含量的重量比为0.05:1至0.5:1,并以未改性的水性底涂层以0.2至1份的多异氰酸酯的重量比混合:1份树脂固体含量 未改性的水性底涂层,并且其中所述混合物组分的颜料含量包含至少一种有效降低UV透射的颜料,并且其中所述颜料含量以这样的方式制备,使得UV光可以穿透由经修饰的基底涂层形成的底涂层 水性底涂层和未改性的水性底涂层,其仅在280〜380nm的波长范围内小于0.1%的UV传输和小于0.5% 在380至400nm的波长范围内。