Seiko Epson Corporation

Mitsui Chemicals, Inc.

Future Vision Inc.

Atsushi Denda

Naoki Koike

Takayoshi Kagata

Maki Nariai

Naoyuki Toyoda

Hiroshi Takiguchi

Tsuyoshi Sano

Masaru Terada

Toshimitsu Hirai

Tomohiro Ogawa

Shoki Kasahara

Shiki Hirata

Yoshinao Ito

Shinri Sakai

Kenji Kitada

Yoichi Noda

Hiroaki Kida

Akira Mizutani

Takuya Miyakawa

Yoshikazu Yoshimoto

Hiroko Wachi

Hiroshi Maekawa

Hiromi Saito

Toshihiro Yoshimura

Takashi Saiba

Kiyofumi Kitawada

Yukiko Egami

Yasuyuki Kagawa

A solvent-based ink composition is provided that includes: an organic solvent; a surface-treated metal powder; and a polyoxyethylene alkyl ether phosphoric acid compound, the content of the polyoxyethylene alkyl ether phosphoric acid compound with respect to the total mass of an ink is 0.1 to 10.0 percent by mass, and the surface-treated metal powder contains aluminum or an aluminum alloy and is surface-treated by a surface treating agent of a fluorine-based compound.

Solvent-based ink composition

The ultraviolet curable composition includes a polymerizable compound, metal powder, and fluorine-containing powder, in which a content of the fluorine-containing powder is in a range of 0.010 mass % to 5.0 mass %. A constituting particle of the fluorine-containing powder preferably contains at least one of a particle formed of a fluorine polymer and an inorganic fine particle which is treated by using a fluorine-based surface treating agent. The metal powder preferably contains a material which is subjected to a surface treatment by using a fluorine-based surface treating agent as the constituting particle.

Ultraviolet curable composition and recorded object

Disclosed herein is an aqueous base metal pigment dispersion liquid, including: a base metal pigment surface-treated with a fluorine-based compound; and water as a part of a solvent, in which the aqueous base metal pigment dispersion liquid further includes one or more solvents having a specific dielectric constant of greater than or equal to 30 and less than or equal to 50 and one or more solvents having a specific dielectric constant of less than 30, as measured by an alternate current-type dielectric constant measurement device at a temperature of 23&#xb0; C. and a frequency of 10 kHz, as the solvent, as the solvent, and in which the sum of the solvents having a specific dielectric constant of greater than or equal to 30 and less than or equal to 50 is more than or equal to 5 mass % and less than or equal to 50 mass % and the sum of the solvents having a specific dielectric constant of less than 30 is more than or equal to 5 mass % and less than or equal to 20 mass %, when the total amount of the solvents is 100 mass %.

Aqueous base metal pigment dispersion liquid and aqueous ink composition

An ink composition includes a white coloring material, polymer particles, and a solvent, the polymer particles satisfying the relationship represented by the following expression (1).&#x2266;0.33+20&#x2003;&#x2003;(1)

Ink composition

A method for producing an object includes forming and laying N unit layers into which an object is divided, sequentially from a first layer to an Nth layer, using a resin material as a material, or using a resin material for implementing a step, to form the object, the method including performing a discharge treatment at either or both of a timing while forming a unit layer among the N unit layers, and a timing after forming the unit layer, but before starting forming a next unit layer among the N unit layers.

Method for producing object

Disclosed is an aqueous pigment dispersion including water and a base metal pigment, in which the base metal pigment is a base metal pigment which is surface-treated with a fluorine-based compound, and when performing an X-ray Photoelectron Spectroscopy analysis of a base metal pigment surface, a concentration of a fluorine element is 21 atm % to 35 atm %.

Aqueous pigment dispersion and aqueous ink composition containing the same

A pigment dispersion liquid is a pigment dispersion liquid for a solvent-based ink including a base metal pigment and an organic solvent, in which the base metal pigment is subjected to a surface treatment by a fluorine-based compound, and in which the concentration of a fluorine element is from 8 atm % to 35 atm % when an X-ray photoelectron spectroscopy (XPS) analysis of the surface of the base metal pigment is performed.

Pigment dispersion liquid and solvent-based ink composition containing the same

An ink jet recording process using a glitter pigment provides satisfactory glitter even on a recording medium having a rough surface. The ink jet recording process includes a glitter image-forming step of forming a glitter image by discharging a glitter ink composition containing a glitter pigment to a recording medium and a pressing step of pressing the layer of the glitter image formed on the recording medium.

Ink jet recording process, ink jet recording apparatus, and recorded matter

There is provided a recording method, in which a glitter pigment ink and a clear ink containing substantially no color material is used with respect to a coated paper or a film, including: at least one of (A) primarily-applying the clear ink before applying the glitter pigment ink and (B) applying the clear ink in the same scanning at the time of applying the glitter pigment ink; and (C) secondarily-applying the clear ink after applying the glitter pigment ink.

Recording method and printer

Disclosed herein is a base metal pigment, which is used for an aqueous ink composition containing water as a part of a solvent, in which the base metal pigment is surface-treated with a fluorine-based compound, and has a zeta potential of greater than or equal to &#x2212;50 mV and less than or equal to &#x2212;15 mV, as measured by an ultrasonic zeta potential measurement device, in a pH range of greater than or equal to 5 and less than or equal to 10.

Base metal pigment, aqueous base metal pigment dispersion liquid, and aqueous ink composition

An ink jet recording system includes an ink jet recording device; and a control portion that controls the ink jet recording device, in which when a first mode is selected from a plurality of recording modes, the control portion performs control of recording a security image corresponding to an input image on a recording medium by performing control of forming a glitter image by a glitter ink composition in a first image area on the recording medium, forming a color image by a color ink composition in the glitter image, and forming the color image by the color ink composition on a second image area that is in contact with the first image area.

Ink jet recording system

An ink jet printer includes a transport mechanism that transports a medium in a first direction; and a carriage that includes a plasma irradiation mechanism, which emits plasma generated in a discharge portion from a plasma irradiation port and then irradiates at least a part of the medium with the plasma, and a head which ejects ink onto the part of the medium which is irradiated with the plasma, and that moves in a second direction intersecting with the first direction, in which the plasma irradiation mechanism is provided on one side of the head in the second direction, and the discharge portion of the plasma irradiation mechanism is disposed so as not to come in contact with the medium.

Ink jet printer and printing method

An ink accommodation body according to the invention is detachably attached to an ink jet recording apparatus, and is packaged with a package body, the ink accommodation body includes an ink accommodation portion that accommodates ink containing a base metal pigment; and an atmosphere opening portion that is connected to the ink accommodation portion at one end, and communicates with an atmosphere, and a hydrogen gas transmission rate of the package body is equal to or greater than 0.0001 ml/cm&#xb7;day&#xb7;atm and equal to or less than 0.01 ml/cm&#xb7;day&#xb7;atm.

Growing community of inventors

Chino, Japan

Atsushi Denda