Abstract: An objective is to provide plate making printing exhibit conductivity and flexibility with respect to a flexible substrate, and to provide a method of forming metal patterns via non-plate making printing, and a metal salt mixture usable for the method. Also disclosed is a method of forming a metal pattern possessing the steps of conducting patterning on a substrate with a metal salt mixture for the metal pattern formation possessing a metal salt and a reducing agent, and having a viscosity of 3-50 mPa·s at 25 ° C., and forming the metal pattern via heating to a temperature of 80-400° C.

Abstract: An ink for ink-jet recording containing: a colorant; and a solvent mixture containing water and solvent A which is not water, wherein solvent A has a surface tension of 25 to 40 mN/m at 25° C.; a viscosity of 1 to 50 mPs·s at 25° C.; and a vapor pressure of not more than 133 Pa at 25° C., a content of solvent A is from not less than 50 to less than 90 weight % based on the total weight of the ink; and a content of water is from not less than 10 to less than 45 weight % based on the total weight of the ink.

Abstract: An ink for ink-jet recording containing: a colorant; and a set of solvent A and solvent B, provided that solvent B has a larger vapor pressure than solvent A, wherein the set of solvent A and solvent B has a maximum in viscosity by changing a mixing ratio of solvent A to solvent B; and a content of solvent A in weight (A(wt)) and a content of solvent B in weight (B(wt)) in the ink satisfy the following relationship: 50?[A(wt)/(A(wt)+B(wt))]×100?95.

Abstract: A black ink for ink-jet printing comprising: a) a carbon black pigment exhibiting a DBP oil absorption of not more than 150 cm3/100 g and a pH of more than 6, b) a solvent exhibiting a surface tension of 25-40 mN/m at 25 ° C. a viscosity of 1-50 mPa·s at 25 ° C. and a vapor pressure of not more than 133 Pa at 25 ° C. a solvent content of which being not less than 50 weight % and not more than 90 weight % based on the total ink weight, and c) water, the content of which being not less than 10 weight % and less than 45 weight %.

Abstract: An ink-jet ink comprising water and a compound represented by Formula (1) or Formula (2), provided that the compound is dissolved in the ink: Formula (1) R1R2N—CX—NR3R4, wherein R1, R2, R3, and R4 each independently represents a hydrogen atom, an alkyl group, or a group having a benzene ring or a heterocyclic ring; provided that a total number of carbon atoms and nitrogen atoms contained in R1, R2, R3 and R4 is 7 to 10; and X represents an oxygen atom or a sulfur atom, Formula (2) R5—CX—NR6R7, wherein R5, R6, and R7 each independently represents a hydrogen atom, an alkyl group, or a group having a benzene ring or a heterocyclic ring; provided that a total number of carbon atoms and nitrogen atoms in R5, R6, and R7 is 6 to 10; and X represents an oxygen atom or a sulfur atom.

Abstract: An ink-jet ink containing: (i) a colorant; (ii) Solution A containing water, a water miscible organic solvent and an amphiphilic polymer, wherein Solution A satisfies all of the following requirements: Scheme (1) A1>A2; Scheme (2) B1>B2 Scheme (3) A1/B1>1 provided that A1 is a Stokes diameter of the amphiphilic polymer in Solution A; B1 is an optical scattering diameter of the amphiphilic polymer in Solution A; A2 is a Stokes diameter of the amphiphilic polymer in Solution A after a content of water in Solution A is evaporated by an amount of 10 to 30 wt % from an initial Solution A; and B2 is an optical scattering diameter of the amphiphilic polymer in Solution A after a content of water in Solution A is evaporated by an amount of 10 to 30 wt % from an initial Solution A.

Abstract: An ink-jet ink is provided which exhibits excellent ejection stability during printing and results in improved abrasion resistance of text and images formed on various recording media, as well as improved image smoothness by employing an ink-jet ink wherein in the ink jet ink incorporating at least a pigment, water, and fine polymer particles, the ink viscosity ratio ?2/?1 satisfies the conditions specified by Formula (1) below, and a recording method using the same: 0.8<?2/?2<5.0 ??Formula (1) wherein ?1 represents the viscosity of an ink-jet ink at 25° C. which incorporates a viscosity retarding material or incorporates at least a pigment, water, and fine polymer particles, while ?2 represents the viscosity of the above ink at 25° C. in which water equivalent to 10 percent by weight of the entire ink weight has been evaporated.

Abstract: An ink for ink-jet recording containing: a colorant; and a solvent mixture containing water and solvent A which is not water, wherein solvent A has a surface tension of 25 to 40 mN/m at 25° C.; a viscosity of 1 to 50 mPs·s at 25° C.; and a vapor pressure of not more than 133 Pa at 25° C., a content of solvent A is from not less than 50 to less than 90 weight % based on the total weight of the ink; and a content of water is from not less than 10 to less than 45 weight % % based on the total weight of the ink.

Abstract: An ink for ink-jet recording containing: a colorant; and a set of solvent A and solvent B, provided that solvent B has a larger vapor pressure than solvent A, wherein the set of solvent A and solvent B has a maximum in viscosity by changing a mixing ratio of solvent A to solvent B; and a content of solvent A in weight (A(wt)) and a content of solvent B in weight (B(wt)) in the ink satisfy the following relationship: 50?[A(wt)/(A(wt)+B(wt))]×100?95.

Abstract: A water-based cyan ink for ink-jet printing, comprising pigment particles or water insoluble colored polymer particles, wherein an ink-jet image is formed by jetting the water-based cyan ink on a porous ink-jet recording sheet with an ink-jet printer without being subjected to an post-treatment, and the ink-jet image has the following set of color coordinate values in a L*a*b* color space when L* is in a range of 65<L*<75:

Abstract: An ink-jet recording method of forming an image with an ink-jet head, wherein the ink-jet head includes an ink chamber, an electric actuator provided in the ink chamber and an insulating layer covering the electric actuator, including steps of: feeding an ink containing a coloring material and a water-soluble solvent into ink chamber, and applying a driving voltage with a driving frequency of 10 kHz to 55 kHz onto the electric actuator so that the ink is jetted from the ink chamber so as to form the image; wherein the thickness of the insulating layer is 0.1 &mgr;m to 10 &mgr;m, and the concentration of oxygen dissolved in the ink is 4 ppm or less.

Abstract: A water-based pigmented ink for use in ink jet printing is disclosed, comprising a pigment and a latex, wherein the average particle size of the pigment (a) and the average particle size of the latex (b) are 10 to 150 nm and 10 to 100 nm, respectively, and satisfying the following requirement 0.5≦a/b≦4 and the content of the latex being 0.1 to 10% by weight.

Abstract: A water-based pigmented ink for use in ink jet printing is disclosed, comprising a pigment and a latex, wherein the average particle size of the pigment (a) and the average particle size of the latex (b) are 10 to 150 nm and 10 to 100 nm, respectively, and satisfying the following requirement

Abstract: An ink-jet recording method comprising the step of adhering a dispersion ink comprised of a colorant dispersed in a solvent onto recording medium having a fine particle and a water-soluble binder, wherein the relation the center-line average surface roughness RaA in &mgr;m at the non-image area of the recording medium and the center-line average surface roughness RaB in &mgr;m at the image area of the recording medium is represented by Expression 1 is described. 0.7≦RaB/RaA≦1.8  Expression 1. According to the above, an ink-jet recording method and a recording matter excellent in the glossiness feel, smoothness feel and texture can be provided.

Abstract: An ink-jet recording method comprising the step of adhering a dispersion ink comprised of a colorant dispersed in a solvent onto recording medium having a fine particle and a water-soluble binder, wherein the relation the center-line average surface roughness RaA in &mgr;m at the non-image area of the recording medium and the center-line average surface roughness RaB in &mgr;m at the image area of the recording medium is represented by Expression 1 is described.

Abstract: An ink-jet recording method of forming an image with an ink-jet head, wherein the ink-jet head comprises an ink chamber, an electric actuator provided in the ink chamber and an insulating layer covering the electric actuator, comprising steps of: feeding an ink containing a coloring material and a water-soluble solvent into ink chamber, and applying a driving voltage with a driving frequency of 10 kHz to 55 kHz onto the electric actuator so that the ink is jetted from the ink chamber so as to form the image; wherein the thickness of the insulating layer is 0.1 &mgr;m to 10 &mgr;m, and the concentration of oxygen dissolved in the ink is 4 ppm or less.

Abstract: An ink set for jet-printing is disclosed. The ink set comprises an ink liquid containing a colorant and a substantially colorless liquid composition containing an anionic metal oxide colloid, which are to be mixed with the ink liquid after jetted, wherein a viscosity A cp of the ink liquid, a viscosity B cp of the liquid composition and a viscosity C cp of a mixture of equal amount of the ink liquid and the liquid composition satisfy the following relations;.vertline.A-B.vertline..ltoreq.5, 1<A<10, 1<B<10, and C/A>5.