POLYMERIC ADDITIVES FOR REDUCING THE VISCOSITY LOSS ON TINTING

The presently claimed invention relates to a composition comprising polyurethane polymer and diluents, which is used as an additive in coating formulations, in particular water-borne paint and coating formulations, for reducing the effect of the viscosity loss caused by the addition of colorants/ pi...

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Bibliographische Detailangaben
Hauptverfasser:	REICHARDT, Robert, MAIER, Matthias, MEISENZAHL, Tim
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The presently claimed invention relates to a composition comprising polyurethane polymer and diluents, which is used as an additive in coating formulations, in particular water-borne paint and coating formulations, for reducing the effect of the viscosity loss caused by the addition of colorants/ pigment pastes thereby improving the viscosity stability in tinted coating formulations as well as the method for preparing the composition. La présente invention concerne une composition comprenant un polymère de polyuréthane et des diluants, qui est utilisée en tant qu'additif dans des formulations de revêtement, en particulier des formulations de peinture et de revêtement en suspension aqueuse, destinée à réduire l'effet de la perte de viscosité provoquée par l'ajout de colorants/pâtes pigmentaires, améliorant ainsi la stabilité de viscosité dans des formulations de revêtement colorées, ainsi que le procédé destiné à la préparation de la composition.