INK JET INK

PROBLEM TO BE SOLVED: To obtain an ink jet ink having excellent decappability, edge sharpness, rapid drayability, water resistance and stain resistance, and high optical density by using a water-soluble macromolecular chromophare, an ionic surfactant and an amphoteric surfactant. SOLUTION: This ink...

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Bibliographic Details
Main Authors MOFFAT JOHN R, TSANG JOSEPH W
Format Patent
LanguageEnglish
Published 29.06.1999
Edition6
Subjects
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COLOUR PRINTING
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
LINING MACHINES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:PROBLEM TO BE SOLVED: To obtain an ink jet ink having excellent decappability, edge sharpness, rapid drayability, water resistance and stain resistance, and high optical density by using a water-soluble macromolecular chromophare, an ionic surfactant and an amphoteric surfactant. SOLUTION: This ink jet ink comprises (A) a vehicle composed of (A1 ) 0-30 wt.% of an organic solvent, (A2 ) 1-10 wt.% of a water-soluble ionic surfactant with polarity X e.g. a compound of formula I [R1 to R4 are each a group of the formula: (CH2 )n CH3 ((n) is 0-25)], a compound of formula II}, and (A3 ) 0.01-20 wt.% of an amphoteric surfactant [e.g. a compound of formula III (R1 to R3 are each a 10-23C alkyl, aryl or the like)], (B) 1-20 wt.% of a water-soluble macromolecular chromophare chemically modified so as to contain a pigment bearing functional group with polarity opposite to the polarity X of the component A2 , and (C) water.
Bibliography:Application Number: JP19980279840