AQUEOUS BALLPOINT INK COMPOSITION

An aqueous ballpoint ink composition which comprises titanium oxide as white pigment, a viscosity modifier and flaky resin particles. This composition permits color matching with colorants (such as pigments) and exhibits a viscosity of 100 to 20,000 cP at 20 DEG C. The flaky resin particles have a m...

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Bibliographic Details
Main Author ITO, TADAAKI
Format Patent
LanguageEnglish
French
Japanese
Published 06.05.1999
Edition6
Subjects
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
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Summary:An aqueous ballpoint ink composition which comprises titanium oxide as white pigment, a viscosity modifier and flaky resin particles. This composition permits color matching with colorants (such as pigments) and exhibits a viscosity of 100 to 20,000 cP at 20 DEG C. The flaky resin particles have a mean particle diameter of 0.05 to 10 mu m and the content thereof is 1 to 35 wt.% based on the whole ink composition. The content of titanium oxide is 5 to 50 wt.% based on the whole ink composition. Further, polysaccharides are used as the viscosity modifier and the content thereof is 0.1 to 2 wt.% based thereon. Cette composition d'encre aqueuse pour bille comporte de l'oxyde de titane comme pigment blanc, un agent modificateur de viscosité et des particules de résine en écailles. La viscosité de cette composition qui permet une adaptation couleur - colorants (des pigments notamment) est comprise entre 100 et 200 cP à 20 DEG C. Le diamètre particulaire moyen des particules de résine en écailles est compris entre 0.05 et 10 mu m. La concentration en particules est de 1 à 35 %, en pourcentage pondéral, du poids total de la composition d'encre. La teneur en oxyde de titane est de 5 à 50 %, en pourcentage pondéral, du poids total de la composition d'encre. On utilise, de surcroît, des polysaccharides comme agent de modification de viscosité dont la concentration est comprise entre 0,1 et 2 % en pourcentage pondéral.
Bibliography:Application Number: WO1998JP04823