Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps:(1) applying an NIR-opaque coating layer A′ from a waterborne pigmented coating composition A to a substrate, (2) applying a coating layer B′ from a waterborne pigmented coating composition B onto the substrate provided with coating layer A′, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise aqueous microgel and sheet silicate, wherein the pigment content of coating composition A consists 90 to 100 wt. % of aluminum flake pigment and 0 to 10 wt. % of further pigment, wherein the pigment content of coating composition B consists 50 to 100 wt. % of black pigment with low NIR absorption and 0 to 50 wt. % of further pigment.
Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps: (1) applying an NIR-opaque coating layer A′ from a solventborne coating composition A to a substrate, (2) applying a coating layer B′ from a solventborne coating composition B onto the substrate provided with coating layer A′, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise binders and crosslinkers comprising melamine-formaldehyde resin crosslinker, wherein both coating compositions A and B comprise certain proportions of cellulose ester binder and NAD binder and/or sheet silicate and/or fumed silica and/or urea SCA and/or polyolefine wax, wherein the pigment content of coating composition A consists 90 to 100 wt. % of aluminum flake pigment and 0 to 10 wt. % of further pigment, wherein the pigment content of coating composition B consists 50 to 100 wt. % of black pigment with low NIR absorption and 0 to 50 wt. % of further pigment.
Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps: (1) applying an NIR-opaque coating layer A′ from a solventborne coating composition A to a substrate, (2) applying a coating layer B′ from a solventborne coating composition B onto the substrate provided with coating layer A′, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise binders and crosslinkers comprising melamine-formaldehyde resin crosslinker, wherein both coating compositions A and B comprise certain proportions of cellulose ester binder and NAD binder and/or sheet silicate and/or fumed silica and/or urea SCA and/or polyolefine wax, wherein the pigment content of coating composition A consists 90 to 100 wt. % of aluminum flake pigment and 0 to 10 wt. % of further pigment, wherein the pigment content of coating composition B consists 50 to 100 wt. % of black pigment with low NIR absorption and 0 to 50 wt. % of further pigment.
Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps:(1) applying an NIR-opaque coating layer A′ from a solventborne coating composition A to a substrate,(2) applying a coating layer B′ from a solventborne coating composition B onto the substrate provided with coating layer A′,(3) subjecting the coated substrate obtained in step (2) to a drying step,(4) applying a clear coat layer, and(5) curing the coating layers simultaneously;wherein both coating compositions A and B comprise binders and crosslinkers comprising melamine-formaldehyde resin crosslinker,wherein both coating compositions A and B comprise certain proportions of cellulose ester binder and NAD binder and/or sheet silicate and/or fumed silica and/or urea SCA and/or polyolefine wax,wherein the pigment content of coating composition A comprises
Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps: (1) applying an NIR-opaque coating layer A′ from a waterborne pigmented coating composition A to a substrate, (2) applying a coating layer B′ from a waterborne pigmented coating composition B onto the substrate provided with coating layer A′, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise aqueous microgel and sheet silicate, wherein the pigment content of coating composition A comprises
Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps: (1) applying an NIR-opaque coating layer A′ from a waterborne pigmented coating composition A to a substrate, (2) applying a coating layer B′ from a waterborne pigmented coating composition B onto the substrate provided with coating layer A′, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise aqueous microgel and sheet silicate, wherein the pigment content of coating composition A comprises
Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps:(1) applying an NIR-opaque coating layer A′ from a waterborne pigmented coating composition A to a substrate,(2) applying a coating layer B′ from a waterborne pigmented coating composition B onto the substrate provided with coating layer A′,(3) subjecting the coated substrate obtained in step (2) to a drying step,(4) applying a clear coat layer, and(5) curing the coating layers simultaneously;wherein both coating compositions A and B comprise aqueous microgel and sheet silicate,wherein the pigment content of coating composition A consists 90 to 100 wt. % of aluminum flake pigment and 0 to 10 wt. % of further pigment,wherein the pigment content of coating composition B consists 50 to 100 wt. % of black pigment with low NIR absorption and 0 to 50 wt. % of further pigment.
Abstract:
A process for the production of a dark-color multi-layer coating, comprising the successive steps: (1) applying an NIR-opaque coating layer A′ from a solventborne coating composition A to a substrate, (2) applying a coating layer B′ from a solventborne coating composition B onto the substrate provided with coating layer A′, (3) subjecting the coated substrate obtained in step (2) to a drying step, (4) applying a clear coat layer, and (5) curing the coating layers simultaneously; wherein both coating compositions A and B comprise binders and crosslinkers comprising melamine-formaldehyde resin crosslinker, wherein both coating compositions A and B comprise certain proportions of cellulose ester binder and NAD binder and/or sheet silicate and/or fumed silica and/or urea SCA and/or polyolefine wax, wherein the pigment content of coating composition A comprises
Abstract:
A process for the production of a multi-layer composite comprising applying a coating layer from a pigmented coating composition A onto the back face of a transparent plastic film and then applying an NIR-opaque coating layer from a pigmented coating composition B, wherein the pigment content of coating composition A consists 50 to 100 wt. % of black pigment with low NIR absorption and 0 to 50 wt. % of further pigment, which is selected in such a way that coating layer A′ exhibits low NIR absorption and that the multi-layer composite exhibits a brightness L* of at most 10 units, wherein the pigment content of coating composition B is either a pigment content PC1 consisting 90 to 100 wt. % of aluminum flake pigment and 0 to 10 wt. % of further pigment, which is selected in such a way that NIR-opaque coating layer B′ exhibits low NIR absorption, or a pigment content PC2 comprising
Abstract:
A process producing multi-layer coatings in light metallic color shades, comprising the successive steps: (1) applying a 5 to 20 μm thick base coat layer to a pre-coated substrate, (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 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 60 to 100% by weight of at least one non-leafing aluminum pigment with a platelet thickness over 100 to 500 nm and 0 to 40% 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.
Abstract translation:一种以浅金属色调制造多层涂层的方法,包括以下连续步骤:(1)将5至20μm厚的底涂层施加到预涂底物上,(2)在底涂层上施加透明涂层 层,(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, 其中颜料含量为60-100重量%的至少一种片状厚度超过100至500nm的非漂浮铝颜料和0至40重量%的至少一种不同于铝颜料的颜料,其中颜料( 选择不同于铝颜料的方法,使得获得的多层涂层具有至少80单位的亮度L *(根据CIEL * a * b *,DIN 6174)。