METHOD FOR DECREASING PH OF POLYURETHANE DISPERSION ANIONICALLY STABILIZED WITH CARBOXYLATE OR SULFONATE GROUP

Method of reducing the pH of anionic polyurethane dispersions which are stabilised by carboxylate groups or sulphonate groups, characterised in that a compound having from one to four ester groups which contains no acid group, acid anhydride group or acid halide group is added to the polyurethane di...

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Bibliographische Detailangaben
Hauptverfasser:	URURIKE RIHITO, AREKUSANDAA BUARON, KAARU HEBERURE, EERITSUHI GURUBINSU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Method of reducing the pH of anionic polyurethane dispersions which are stabilised by carboxylate groups or sulphonate groups, characterised in that a compound having from one to four ester groups which contains no acid group, acid anhydride group or acid halide group is added to the polyurethane dispersions.