초록 ▼

Clear lacquer coating media suitable for multi-layer coatings, containing self-crosslinking or externally crosslinkable binder vehicles, organic solvents, and in the case of externally-crosslinkable binder vehicles containing one or more crosslinking agents which are different from aldehyde condensa

Clear lacquer coating media suitable for multi-layer coatings, containing self-crosslinking or externally crosslinkable binder vehicles, organic solvents, and in the case of externally-crosslinkable binder vehicles containing one or more crosslinking agents which are different from aldehyde condensation resins, and optionally also containing one or more reactive thinners and customary additives for clear lacquers, with an additional content ofA) 0.1 to 3% by weight one or more urea compounds, andB) 0.05 to 10% by weight one or more substances which supply formaldehyde, with respect in each case to the resin solids content which is formed by the binder vehicles, reactive thinners and crosslinking agents.

대표청구항 ▼

1. A method for making clear lacquer coating media comprising:adding A) 0.1 to 3% by weight of one or more urea compounds, and B) 0.05 to 10% by weight of one or more substances which supply formaldehyde as additives for clear lacquer coating media, wherein the clear lacquer coating media contain on

1. A method for making clear lacquer coating media comprising:adding A) 0.1 to 3% by weight of one or more urea compounds, and B) 0.05 to 10% by weight of one or more substances which supply formaldehyde as additives for clear lacquer coating media, wherein the clear lacquer coating media contain one or more self-crosslinking or externally crosslinking binder vehicles, one or more organic solvents, and wherein the externally-crosslinkable binder vehicles contain one or more cross-linking agents which are different from aldehyde condensation resins, and wherein the clear lacquer coating media optionally also contain customary additives for clear lacquers, wherein the content of the urea compounds and of the substances which supply formaldehyde is given with respect to resin solids content of the clear lacquer coating media which is formed by the binder vehicles and by reactive thinners which are optionally present and by the crosslinking agents which are optionally present.