Fluid pigment suspensions with phosphonocarboxylic acids

In an aqueous fluid dispersible filler or pigment suspension containing a dispersion aid, the improvement which comprises employing as the dispersion aid about 0.01 to 1% by weight, based on solids, of a phosphonocarboxylic acid or a salt thereof. The pigment may be TiO2 and be present in from 30 to...

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Bibliographische Detailangaben
Hauptverfasser:	RODI, FRITZ, LAILACH, GUNTER, WODITSCH, PETER, LINDE, GUNTER, TEICHMANN, GUNTHER
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	In an aqueous fluid dispersible filler or pigment suspension containing a dispersion aid, the improvement which comprises employing as the dispersion aid about 0.01 to 1% by weight, based on solids, of a phosphonocarboxylic acid or a salt thereof. The pigment may be TiO2 and be present in from 30 to 80% concentration. The dispersion aid may be phosphonobutane-1, 2,4-tricarboxylic acid or a salt, and an amine or alkanolamine may also be present.