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425 results about "Copper phthalocyanine" patented technology

Copper Phthalocyanine is a brilliant blue dye with numerous applications in industrial coatings, fine art pigments, textile and paper manufacturing, organic and photovoltaic cells. It is available in both alpha and beta forms.

Methods for preparing curable pigment inkjet ink sets

A curable pigment inkjet ink set includes mprg a cyan inkjet ink, a yellow inkjet ink, and a magenta inkjet ink, whereinthe yellow inkjet ink having ABS(Y)500-530<5 and ABS(Y)400-500>60 includes one or more yellow pigments;the cyan inkjet ink includes one or more β-copper phthalocyanine pigments; andthe magenta inkjet ink contains a mixed crystal including a first quinacridone and a second quinacridone in a ratio of the first quinacridone over the second quinacridone such that ABS(M)500-530>20 and ABS(M)500-600>60,ABS(Y)500-530 represents the absorbance of the yellow inkjet ink between 500 and 530 nm in a normalized absorption spectrum of the yellow ink;ABS(M)500-530 represents the absorbance of the magenta inkjet ink between 500 and 530 nm in a normalized absorption spectrum of the magenta ink;ABS(Y)400-500 represents the absorbance of the yellow inkjet ink between 400 and 500 nm in a normalized absorption spectrum of the yellow ink; andABS(M)500-600 represents the absorbance of the magenta inkjet ink between 500 and 600 nm in a normalized absorption spectrum of the magenta ink,wherein ABS(X)WL1-WL2 represents the peak area between the wavelengths WL1 and WL2 calculated by summation of the normalized absorbance values in the range WL1 to WL2 which are obtained by multiplying the absorbance values at each wavelength in the range from 380 to 850 nm by the reciprocal value of the maximum absorbance Amax in the range of 380 to 850 nm using a spectrophotometer with an interval of 1 nm on the ink X diluted in ethyl acetate to a pigment concentration of 40 ppm.
Owner:AGFA NV

Method of producing an ink composition for offset printing

InactiveUS20120238675A1High tinting strengthExcellent color brightnessOrganic dyesPetroleum resinCopper
The present invention provides a method of producing an ink composition for offset printing with use of a crude copper phthalocyanine pigment and/or an active crude copper phthalocyanine pigment and without use of a pigment dispersion resin that requires additional cost, to produce an ink composition which provides a highly tinted and bright image. The method includes the steps of: premixing a premix component through stirring so as to obtain a pigment mixture, the premix component containing a crude copper phthalocyanine pigment and/or an active crude copper phthalocyanine pigment, at least one binder resin selected from the group consisting of a rosin-modified phenolic resin, a rosin-modified maleic acid resin, a petroleum resin, and an alkyd resin, and an oil component; grinding and milling the pigment mixture obtained by the premixing, using a bead mill with grinding media of beads each having a size of 0.1 mm or larger and smaller than 1.5 mm, at a temperature within the range of 0° to 180° C., thereby obtaining a pigment dispersion; and further adding the binder resin and/or the oil component to the pigment dispersion and stirring the resulting dispersion, wherein the method satisfies the conditions that (1) the pigment mixture contains 5 to 40% by mass of the crude copper phthalocyanine pigment and/or the active crude copper phthalocyanine pigment, (2) the pigment mixture contains 5 to 500 parts by mass of the binder resin, for each 100 parts by mass of the crude copper phthalocyanine pigment and/or the active crude copper phthalocyanine pigment, and (3) the pigment mixture has a viscosity of 0.001 to 20 Pa·s at the temperature of the grinding and milling.
Owner:SAKATA INX +1
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