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AQUEOUS COATING MEDIUM, METHOD OF OBTAINING SAME AND APPLICATION THEREOF IN PRODUCTION OF STOVING LACQUERS AND OF COATING DRYING AS RESULT OF EXPOSURE TO PHYSICAL FACTORS
AQUEOUS COATING MEDIUM, METHOD OF OBTAINING SAME AND APPLICATION THEREOF IN PRODUCTION OF STOVING LACQUERS AND OF COATING DRYING AS RESULT OF EXPOSURE TO PHYSICAL FACTORS
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机译:物理因素导致的水性漆介质,同样的获得方法及其在生产漆和干燥漆中的应用
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摘要
The use of an aqueous dispersion of a polyol component, comprising 20-60 wt.% unsaturated polyester polyol and 40-80 wt.% polyacrylate, and 1-70 wt.% (with respect to total solids) of a blocked aliphatic polyisocyanate component for light-stable, elastic, physically fast-drying coatings in series lacquering of cars is claimed. The use of an aqueous dispersion of (A) a polyol component and (B) a polyisocyanate component for light-stable, elastic, physically fast-drying coatings in series lacquering of cars is claimed. The polyol component comprises 20-60 wt.% polyester component (AI) with 10-60 wt.% units derived from 8-30 carbon (C) aliphatic (un)saturated monocarboxylic acid(s) and 0.4-5 wt.% units derived from 3-8 C alpha , beta -unsaturated mono- or dicarboxylic acid(s) or anhydride(s) capable of free radical polymerization and 40-80 wt.% polyacrylate component (AII). The polyisocyanate component (B) comprises blocked aliphatic polyisocyanate(s) and is used in an amount of 1-70 wt.% with respect to total solids in the dispersion.
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