METHOD FOR PREPARING CATIONIC ELECTRODEPOSITION COATING MATERIAL COMPOSITION

It is an object of the present invention to provide a method for preparing a cationic electrodeposition coating composition which contains a bismuth compound, and is excellent in coating material stability, curability, coating film appearance. The method for preparing a cationic electrodeposition co...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	MIYAMAE, Nobuhiro, TAGO, Yohei, KOTANI, Masayuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	It is an object of the present invention to provide a method for preparing a cationic electrodeposition coating composition which contains a bismuth compound, and is excellent in coating material stability, curability, coating film appearance. The method for preparing a cationic electrodeposition coating composition according to the present invention includes a step of mixing a resin emulsion (i) and a pigment dispersion paste (ii), in which the resin emulsion (i) contains an aminated resin (A) and a blocked isocyanate curing agent (B), the pigment dispersion paste (ii) contains a bismuth mixture liquid (C) containing a bismuth compound (c1), an organic acid (c2) and a solvent; a pigment dispersion resin (D); a polyvalent acid (E); and a pigment (F), the cationic electrodeposition coating composition is prepared by: a bismuth mixture liquid (C) preparing step of mixing the bismuth compound (c1), the organic acid (c2) and the solvent to prepare the bismuth mixture liquid (C); and a pigment dispersion paste (ii) preparing step of mixing the resulting bismuth mixture liquid (C), the pigment dispersion resin (D) and the polyvalent acid (E) to prepare a bismuth dispersion liquid, and then mixing the resulting bismuth dispersion liquid and the pigment (F) to prepare the pigment dispersion paste (ii).