Abstract: A concentration sensor 36 is disposed behind a wheel 22, and for sensing salinity concentration of water bounced up by the wheel 22. A front nozzle 34 is disposed ahead the wheel 22, and for sprinkling water toward an area of the road surface on which the wheel 22 is to pass. A rear nozzle 35 is disposed between the wheel 22 and the front nozzle 34, and for sprinkling water toward the wheel.

Abstract: An electronic device includes a display module and a dictionary storage module which stores dictionary data that causes a plurality of entry words including compound words obtained by connecting a plurality of words to correspond to explanatory information on the entry words. When the user retrieves a dictionary, entry words for compound words are retrieved from the entry words in the dictionary storage module and words common to the retrieved compound words are listed and displayed on the display module. Entry words for compound words connecting with a word specified by a user operation in the displayed list are read from the dictionary data and displayed in list form on the display module.

Abstract: An electronic device includes a display module and a dictionary storage module which stores dictionary data that causes a plurality of entry words including compound words obtained by connecting a plurality of words to correspond to explanatory information on the entry words. When the user retrieves a dictionary, entry words for compound words are retrieved from the entry words in the dictionary storage module and words common to the retrieved compound words are listed and displayed on the display module. Entry words for compound words connecting with a word specified by a user operation in the displayed list are read from the dictionary data and displayed in list form on the display module.

Abstract: A block data creation unit creates an explanatory assistance block data item in which an explanatory information item is placed on a word thereof in a display block of a specific size for each of the words searched for by the dictionary search unit. A block data display unit causes the display unit to display a specific number of explanatory assistance block data items created by the block data creation unit so as to correspond to an order of the words arranged in the text. A block change unit changeably displays another explanatory assistance block data item according to a user operation to the explanatory assistance block data items displayed by the block data display unit.

Abstract: An ink set comprising a black ink and a color ink, wherein the black ink comprises an aqueous dispersion of water-insoluble vinyl polymer particles containing an oil-soluble black dye or carbon black, the vinyl polymer particles have an ionicity opposite to that of the color ink, and the vinyl polymer comprises a water-insoluble vinyl polymer prepared by copolymerizing (a) a salt forming group-containing monomer, (b) a monomer represented by the formula (I): CH2?C(R1)COO(R2O)pR3 ??(I) wherein R1 is hydrogen atom or a lower alkyl group, R2 is a divalent hydrocarbon group which may have a hetero-atom, R3 is a monovalent hydrocarbon group which may have a hetero-atom, and p is a number of 1 to 60, (c) a macromer, and (d) a monomer copolymerizable with these monomers. The ink set can be used as an ink set for inkjet recording, which is excellent in not only fixing abilities and water resistance, but also bleeding resistance and jettability, and can form very clear printouts.

Abstract: A water-based ink comprising a colorant and a water-insoluble polymer having at least two hydroxyl groups at its end; a water-based ink comprising a water-insoluble polymer having an ionic group at its end and a pigment; and a process for preparing a water-based ink, comprising dissolving a water-insoluble polymer having an ionic group at its end or at least two hydroxyl groups at its end in an organic solvent; adding a pigment, water and a neutralizing agent, and optionally a surfactant to the resulting solution; kneading the mixture to form a paste; diluting the paste with water as occasion demands; and distilling off the organic solvent to make it into a water-based system. The water-based ink can be suitably used for printers for inkjet printing.

Abstract: An ink set comprising at least two color inks containing water-insoluble colorants for color inks having a different color with each other, wherein the ink set has at least one combination of two color inks satisfying that the difference in the average particle diameter of the particles contained in the colorant between these two color inks is at least 55 nm. The ink set can be suitably used for printers for inkjet printing.

Abstract: An ink set comprising (A) a black ink comprising a water-insoluble colorant for black ink and (B) a color ink comprising a water-insoluble colorant for color ink, wherein the difference between the maximum average particle diameter and the minimum average particle diameter of the colorants contained in the water-insoluble colorant for black ink and the water-insoluble colorant for color ink is at most 45 nm. The ink set can be suitably used for an ink set for inkjet recording.

Abstract: A water-based ink for inkjet printing comprising a water dispersion of vinyl polymer particles prepared by containing a pigment in a vinyl polymer prepared by copolymerizing a monomer mixture comprising (a) a salt-forming group-containing monomer, (b) a macromer, and (c) a monomer copolymerizable with the salt-forming group-containing monomer and the macromer; and a process for preparing a water-based ink for inkjet printing comprising a water dispersion of vinyl polymer particles prepared by containing a pigment in a vinyl polymer, comprising dissolving in an organic solvent a vinyl polymer prepared by copolymerizing a monomer mixture comprising (a) a salt-forming group-containing monomer, (b) a macromer, and (c) a monomer copolymerizable with the salt-forming group-containing monomer and the macromer; adding a pigment to the resulting solution; pre-kneading the mixture; thereafter adding a neutralizing agent and water and kneading the mixture, to give an oil-in-water dispersion; and distilling off the organ

Abstract: A water-based ink comprising an aqueous dispersion of polymer particles comprising a polymer obtained by a solution polymerization, a bulk polymerization method or a suspension polymerization method, and a fluorescent colorant. The water-based ink can be suitably used as a water-based ink for inkjet recording and the like.

Abstract: A water-based ink for inkjet printing, including (A) an aqueous dispersion A of vinyl polymer particles prepared by including an oil-soluble black dye or carbon black in a water-insoluble vinyl polymer prepared by copolymerizing a salt-forming group-containing monomer (a), a monomer (b) represented by the formula (I): CH2═C(R1)COO(R2O)pR3  (I) wherein R1 is hydrogen atom or a lower alkyl group; R2 is a divalent hydrocarbon group which may have a hetero-atom; R3 is a monovalent hydrocarbon group which may have a hetero-atom; p is a number of 1 to 60, a macromer (c), a monomer (d) copolymerizable with these monomers; and (B) an aqueous dispersion B of carbon black having the same ionicity as the aqueous dispersion A, wherein the weight ratio of the solid content of the aqueous dispersion A to the solid content of the aqueous dispersion B (the solid content of the aqueous dispersion A/the solid content of the aqueous dispersion B) is 5/95 to 95/5.

Abstract: A water-based ink composition comprising a polybasic acid, an ionic polymer and a coloring agent. The water-based ink composition is used for a water-based ink for inkjet recording.

Abstract: A water-based ink comprising a colorant and a water-insoluble polymer having at least two hydroxyl groups at its end; a water-based ink comprising a water-insoluble polymer having an ionic group at its end and a pigment; and a process for preparing a water-based ink, comprising dissolving a water-insoluble polymer having an ionic group at its end or at least two hydroxyl groups at its end in an organic solvent; adding a pigment, water and a neutralizing agent, and optionally a surfactant to the resulting solution; kneading the mixture to form a paste; diluting the paste with water as occasion demands; and distilling off the organic solvent to make it into a water-based system. The water-based ink can be suitably used for printers for inkjet printing.

Abstract: A water-based ink composition comprising (A) an aqueous medium; (B) at least one colorant selected from the group consisting of (i) polymer particles comprising a dye or pigment and a water-insoluble polymer, and (ii) a self-dispersible pigment; and (C) a specific compound A. The water-based ink composition is used for inkjet printing.

Abstract: An ink set comprising at least two color inks containing water-insoluble colorants for color inks having a different color with each other, wherein the ink set has at least one combination of two color inks satisfying that the difference in the average particle diameter of the particles contained in the colorant between these two color inks is at least 55 nm. The ink set can be suitably used for printers for inkjet printing.

Abstract: An ink set comprising (A) a black ink comprising a water-insoluble colorant for black ink and (B) a color ink comprising a water-insoluble colorant for color ink, wherein the difference between the maximum average particle diameter and the minimum average particle diameter of the colorants contained in the water-insoluble colorant for black ink and the water-insoluble colorant for color ink is at most 45 nm. The ink set can be suitably used for an ink set for inkjet recording.

Abstract: An ink set comprising a black ink and a color ink, wherein the black ink comprises an aqueous dispersion of water-insoluble vinyl polymer particles containing an oil-soluble black dye or carbon black, the vinyl polymer particles have an ionicity opposite to that of the color ink, and the vinyl polymer comprises a water-insoluble vinyl polymer prepared by copolymerizing (a) a salt forming group-containing monomer, (b) a monomer represented by the formula (I):

Abstract: A water-based ink comprising an aqueous dispersion of polymer particles comprising a polymer obtained by a solution polymerization, a bulk polymerization method or a suspension polymerization method, and a fluorescent colorant. The water-based ink can be suitably used as a water-based ink for inkjet recording and the like.

Abstract: The invention relates to a tooth coating composition comprising (A) a polymer having one or more carboxyl or carbonyloxycarbonyl groups in its molecule, a weight average molecular weight of 10,000 to 5,000,000, a solubility of 1 g or higher in 100 g of absolute ethanol at 20° C. and a solubility of 10 g or lower in 100 g of water at 20° C., and (B) water or an alcohol having 1 to 5 carbon atoms. When coating teeth with the composition, the coating is not easily peeled by eating and drinking, but can be easily removed if necessary.

Abstract: A water-based ink composition comprising a polybasic acid, an ionic polymer and a coloring agent. The water-based ink composition is used for a water-based ink for inkjet recording.