Canon Kabushiki Kaisha

Canon Finetech Inc.

Ajinomoto Co., Ltd.

Tomoya Yamamoto

Shoji Koike

Masahiro Haruta

Koromo Shirota

Mariko Suzuki

Soichiro Kawakami

Aya Takaide

Aya Yoshihira

Shinichi Hakamada

Takayuki Ookawa

Yukiko Tachibana

Suzuka Ueno

Naoya Kobayashi

Hiromichi Noguchi

Hirokazu Naora

Toshifumi Akasaka

Hitomi Sano

Koji Asai

Junko Chizuwa

Mie Kubo

Akiko Fujii

Ryuichi Mihara

Jiro Shimada

Hitoshi Inoue

Junko Morioka

Makoto Aoki

Shinichi Satoh

Yasushi Miura

Takayuki Toyoda

Yasuaki Murai

Atsushi Tani

Yuhei Terui

Hitoshi Itabashi

Yu Yoshida

Yoshiko Miyashita

Katsuhiko Inoue

Haruko Kubo

Hironao Kimura

Tomoyoshi Hachiya

Hideomi Saito

Shoiji Koike

Masayuki Nomura

Ryoji Yashiro

Hiroya Umeyama

The present invention provides a dispersant excellent in the solubility to a solvent, the adsorption power to a coloring material, and the coloring material dispersibility, and reduced in the self-coloring property, a compound and a polymerizable compound for preparing the dispersant, and a toner using the dispersant. The dispersant has a structure in which a structure represented by the following specific formula (3) or a tautomer thereof is bonded with a polymer, and the toner contains the dispersant. 

Compound, dispersant and toner

To provide a pigment dispersion liquid which provides an ink capable of recording an image having high fixability and fastness such as scratch resistance and excellent quality stably for a long time in any conditions. A pigment dispersion liquid mainly containing a polymer dispersant, a coloring material and water, in which the polymer dispersant is formed of at least a hydrophobic unit and a hydrophilic unit, the hydrophobic unit having a block portion formed of at least one hydrophobic monomer, the coloring material is formed of a pigment having on its surface an acid form anionic group, and the pigment dispersion liquid further contains a basic compound capable of forming a complex with an alkaline metal.

Pigment dispersion liquid, inkjet recording ink, inkjet recording method, ink cartridge and inkjet recording apparatus

A pigment dispersion liquid capable of stably recording images having high fastness and excellent quality for a long term in any cases has been provided. A pigment dispersion liquid mainly containing a polymer dispersant, a pigment and water, wherein the polymer dispersant is a copolymer comprised of at least a hydrophobic unit and a hydrophilic unit, the hydrophobic unit has a block portion comprised of at least one hydrophobic monomer, the hydrophilic unit has at least a repeating unit structure of an acrylamide structure of the following general formula (1), and the segment number (A) of the block portion comprised of a hydrophobic monomer to the number (B) of all segments of the polymer dispersant is in a range of 0.07 to 0.85 in terms of A/B ratio.

Pigment dispersion liquid, ink jet recording ink, ink jet recording method, ink cartridge and ink jet recording apparatus

An ink jet aqueous ink mainly containing a water-insoluble coloring material, a water-soluble organic solvent, an auxiliary ingredient and water is characterized by containing as an auxiliary ingredient at least one ethylene oxide adduct of an ester of cholesterin, lanosterin or agnosterin and a hydroxyl fatty acid.

Ink jet aqueous ink, ink jet recording method, ink cartridge and ink jet recording apparatus

A powder material comprising a compound which electrochemically intercalates and deintercalates a lithium ion. The powder material is comprised mainly of a compound containing at least an oxygen element, a sulfur element and at least one transition metal element.

Electrode structure production process

In the present invention, an inkjet recording ink can be provided, which ink can record stably an image with good fastness and elegant-quality over a long period in any conditions. The ink includes a high-molecular dispersant, a water-insoluble colorant, water-soluble organic solvent and water, in which the high-molecular dispersant is a block copolymer including at least one hydrophobic block and at least one hydrophilic block, which have been obtained by polymerizing vinyl ethers as monomers, respectively; and the water-insoluble colorant is a specific pigment. Further the present invention can provide a inkjet recording method, an inkjet cartridge, and an inkjet recording system.

Ink for inkjet recording, method of inkjet recording, ink cartridge and inkjet recording apparatus

The invention provides an ink-jet water-based ink that can stably record images having high fastness properties and excellent quality over a long period of time even in any case, and further provides an ink-jet recording method, by which images having excellent fastness properties and quality can be recorded, and an ink cartridge and an ink-jet recording apparatus containing such an ink. The ink-jet water-based ink principally includes a water-insoluble coloring material, a water-soluble organic solvent, an auxiliary component and water, wherein at least polyoxyethylene castor oil or polyoxyethylene hardened castor oil is contained as the auxiliary component.

Ink-jet water-based ink, ink-jet recording method, ink cartridge and ink-jet recording apparatus

A carbonaceous particle is provided which comprises a hexagonal flake formed of an aggregate of a plurality of nanocarbons and having a side length of 0.1 to 100 mm and a thickness of 10 nm to 1 mm. Thereby, a carbonaceous particle is provided which has an excellent electron emission performance, has a high electron conductivity, shows excellent characteristics particularly when used for a secondary battery, and can suitably be applied to various devices other than a secondary battery as well.

Flaky carbonaceous particle and production method thereof

An ion conductor structural body having a high ion conductivity and excellent mechanical strength, principally comprising is provided. This ion conductor structural body includes (a) a polymer matrix; (b) a solvent capable of functioning as a plasticizer; and (c) an electrolyte. The polymer matrix (a) includes a polymer chain having at least a segment represented by the following general formula (1): wherein Rand Rare, respectively, H or an alkyl group of 2 or less carbon atoms, A is a group having at least a polyether group, and Ris a group having at least an alkyl group of more than 6 carbon atoms. The main chain portion of the polymer chain and the side chain portion of the segment have an orientation property. The polymer matrix has a cross-linked structure.

Ion conductor structural body and process for producing ion conductor structural body

An ion conductor structural body having a high ion conductivity and an excellent mechanical strength, principally comprising is provided. This ion conductor structural body includes (a) a polymer matrix; (b) a solvent capable of functioning as a plasticizer; and (c) an electrolyte. The polymer matrix (a) includes a polymer chain having at least a segment represented by the following general formula (1), a main chain portion of said polymer chain and a side chain portion of said segment have an orientation property, and said polymer matrix has a crosslinked structure: 

Ion conductor structural body, process for producing said ion conductor structural body, rechargeable battery provided with said ion conductor structural body and process for producing said rechargeable battery

An inkjet recording ink is composed of an encapsulated water-insoluble colorant encapsulated with a high-molecular dispersant, a water-soluble organic solvent, and water. The water-insoluble colorant is at least one colorant selected from the group consisting of C.I. Solvent Yellow 21, 42, 79, 82, 83:1, 88 and 151, at least one colorant selected from the group consisting of C.I. Solvent Red 8, 49, 83:1, 91, 127 and 218, at least one colorant selected from the group consisting of C.I. Solvent Black 3, 27, 29 and 45, or at least one colorant selected from the group consisting of C.I. Solvent Blue 25, 38, 44, 67 and 70. The high-molecular dispersant is a block copolymer comprising at least one hydrophobic block and at least one hydrophilic block, which have been obtained by polymerizing vinyl ethers as monomers, respectively. The inkjet recording ink can stably record images of high fastness and excellent quality over a long period even under severe environmental conditions.

Inkjet recording ink, inkjet recording method, ink cartridge, and inkjet recording system

A water-based inkjet printer ink contains at least a colorant and a resin. The resin is a block copolymer, which contains at least one hydrophilic block and at least one hydrophobic block. Each of the blocks is a vinyl ether polymer, wherein said block copolymer is obtained by polymerizing vinyl ethers as monomer by using at least one aluminum compound selected from the group consisting of tripropylaluminum, triisopropylaluminum and aluminum compounds as Ziegler-Natta catalysts.

Inkjet printer ink

A method for producing fullerenes, characterized in that said method includes a step (a) of contacting an aromatic compound-containing starting material with a supercritical fluid or a subcritical fluid in the presence of a transition metal element-containing catalyst at a temperature in a range of from 350 to 800&#xb0; C. and at a pressure in a range of from 3 to 50 MPa. Said supercritical fluid or said subcritical fluid is formed from one or more kinds of materials selected from the group consisting of an aromatic compound as said starting material, a solvent for said aromatic compound, a solvent for said catalyst, water, dinitrogen monoxide, and ammonia.

Method for producing nanocarbon materials

An ion conductor structural body principally comprising (a) a polymer matrix, (b) a solvent capable of functioning as a plasticizer and (c) an electrolyte, wherein said polymer matrix (a) comprises a polymer chain having at least a segment represented by the following general formula (1), a main chain portion of said polymer chain and a side chain portion of said segment have an orientation property, and said polymer matrix has a crosslinked structure.(wherein Rand Rare respectively H or an alkyl group of 2 or less carbon atoms, A is a group having at least a polyether group, and Ris a group having at least a alkyl group of more than 6 carbon atoms.)

ION CONDUCTOR STRUCTURAL BODY, PROCESS FOR PRODUCING SAID ION CONDUCTOR STRUCTURAL BODY, RECHARGEABLE BATTERY PROVIDED WITH SAID ION CONDUCTOR STRUCTURAL BODY AND PROCESS FOR PRODUCING SAID RECHARGEABLE BATTERY

A method for producing fullerenes, characterized in that said method includes a step (a) of contacting an aromatic compound-containing starting material with a supercritical fluid or a subcritical fluid at a temperature in a range of from 31&#xb0; C. to 500&#xb0; C. and at a pressure in a range of from 3.8 MPa to 60 MPa. Said supercritical fluid or said subcritical fluid is formed from one or more kinds of materials selected from the group consisting of an aromatic compound as said starting material, a solvent capable of dissolving said aromatic compound, water, dinitrogen monoxide, and ammonia.

Method for producing fullerenes

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Nara, Japan

Tomoya Yamamoto