Japan Science and Technology Agency

Fujifilm Corporation

Tohoku University

Hokkaido University

Azul Energy Inc.

Toyota Jidosha Kabushiki Kaisha

Showa Denko K.k.

Hiroshi Yabu

Koju Ito

Masatsugu Shimomura

Yuta Saito

Hiroya Abe

Matsuhiko Nishizawa

Kuniaki Nagamine

Takeshi Higuchi

Shohei Saito

Jun Kamei

Masaru Tanaka

Keisuke Oku

Souichi Kohashi

Shun Chihara

Masafumi Takebayashi

Tatsuaki Shimazaki

Yoshiaki Uchida

Ryuji Monden

Tomokazu Matsue

Shigehiro Yamaguchi

Yoshikazu Hosoda

Shun Goto

Tamami Koyama

Atsushi Suzuki

Masashi Sakaguchi

Masataka Kaido

Kohji Nakazawa

Shunpei Nobusue

Koki Nakamura

Yutaro Hirai

Kohei Nozaki

Akichika Kumatani

Yuji Hirai

Kazutaka Koike

Kiwamu Motoyoshi

A catalyst having an excellent oxygen reduction catalytic ability, and showing excellent durability when used for an electrode for fuel cells and metal-air batteries; and a production method of a catalyst having an excellent oxygen reduction catalytic ability, and showing excellent durability when used for an electrode for fuel cells and metal-air batteries are provided. The production method of a catalyst includes: a step (a) of dissolving a metal complex in a solvent to prepare a solution; a step (b) of dispersing a conductive powder in the solution to prepare a dispersion liquid; and a step (c) of removing the solvent from the dispersion liquid, in which a complex is formed by adsorbing the metal complex on a surface of the conductive powder to use the complex as a catalyst.

Production method of catalyst, catalyst, production method of composition, composition, electrode, manufacturing method of electrode, fuel cell, metal-air battery

Provided is a compound having higher fluorescence quantum yield and higher optical stability than a conventional FLAP and a polymer compound containing the compound.

Compound and polymer compound containing the compound

Provided are a coated particle that enables particles with low surface free energy to be dispersed in an aqueous solvent without using a fluorochemical surfactant, a dispersion solution, a dispersion method of coated particles, a coating film, a manufacturing method of a coating film, and a copolymer. A coated particle has: a particle with surface free energy of 50 mJ/mor less; and a copolymer in which a monomer including a hydrophilic group except for catechol groups and a monomer including at least a catechol group are copolymerized, and the particle is coated with the copolymer.

Coated particle, dispersion solution, dispersion method of coated particles, coating film, manufacturing method of coating film, and copolymer

A molding device produces a porous film from a molding material which is an emulsion. In a case where a volume of a dispersed phase is X1 and a volume of a continuous phase is X2, the molding material has a value of X1/(X1+X2) within a range of 0.5 or more and 0.9 or less. In the molding material, a specific gravity of the dispersed phase is greater than a specific gravity of the continuous phase. The molding material includes a water phase containing a curable compound as the continuous phase, and forms a liquid film on a support. Thereafter, the curable compound in the liquid film is cured. After curing, the dispersed phase is removed.

Method of producing porous molded body

The present invention provides a catalyst which has oxygen reduction catalytic ability surpassing that of a platinum-carrying carbon material. This catalyst comprises a carbon material and a metal complex represented by formula (1). In formula (1), Xto Xeach independently represent a hydrogen atom or a halogen atom, Dto Deach represent a nitrogen atom or a carbon atom wherein the carbon atom has bound thereto a hydrogen atom or a halogen atom, and M represents a metallic atom.

Catalyst, liquid composition, electrode, catalyst electrode for electrochemical reaction, fuel cell, and air battery

A molded body is produced from a molding material including a continuous phase and a dispersed phase by a three-dimensionalization step, a curing step, and a peeling step. The continuous phase of the molding material is a water phase containing a curable compound. In the three-dimensionalization step, the molding material is placed in a container. In the curing step, the curable compound is cured to form a cured product after the three-dimensionalization step. In the peeling step, the container and the cured product are separated after the curing step. In the dispersed phase removal step, the dispersed phase of the cured product is removed after the curing step.

Provided are a method for producing a cell tissue, including a culturing step of culturing cells capable of serving as a feeder inside opening pores and communicating pores of a porous film having a plurality of the opening pores provided on a surface thereof and the communicating pores communicating mutually adjacent opening pores with one another; and a porous film including a plurality of opening pores provided on a surface thereof and communicating pores communicating mutually adjacent opening pores with one another.

Method for producing cell tissue, and porous film

Provided is a compound having higher fluorescence quantum yield and higher optical stability than a conventional FLAP and a polymer compound containing the compound.  

Provided is a resin for nanoimprinting, which is capable of preventing removal of a transfer-receiving resin from a substrate when a mold is separated during nanoimprinting, and which is also capable of transferring a pattern on a mold to a transfer-receiving resin with high accuracy during thermal nanoimprinting, while improving the throughput. A resin for nanoimprinting, which is represented by formula (1). 

Resin for nanoimprinting, laminate containing resin for nanoimprinting, printed board containing resin for nanoimprinting, and method for producing nanoimprint substrate

A hydrogel that adheres to the surface of materials is provided by using as constituent elements a water-soluble main chain monomer, crosslinking agent, polymerization initiator, and adhesive monomer having at least a catechol group in a side chain.

Catechol-containing adhesive hydrogel, composition for preparing adhesive hydrogel, and compositions each including said adhesive hydrogel

Provided is a block copolymer that makes it possible to produce inorganic nanoparticles that can be dispersed in an organic solvent, the inorganic nanoparticles being of uniform size and a reducing agent not having to be used. A block copolymer including a catechol segment represented by formula (1). 

Block copolymer comprising catechol segment and inorganic nanoparticles coated by said block copolymer, as well as method for producing block copolymer comprising catechol segment and method for producing inorganic nanoparticles coated by said block copolymer

The problem addressed by the present invention is to provide a block copolymer that can be used in a neutral solvent atmosphere and can produce a solid polymer membrane including nanoparticles. The problem is solved by a block copolymer represented by formula (1) below. 

Block copolymer, multilayered structure, solid polymer membrane, fuel cell, method for producing multilayered structure, and method for producing multilayered structure including inorganic nanoparticles

Provided is a mechanochromic resin by which a stress applied to a material can be visualized in real time, and a mechanochromic luminescent material that is used in the synthesis of the mechanochromic resin. Stress can be visualized in real time by means of a mechanochromic luminescent material represented by formula (1) or formula (2) and a mechanochromic resin obtained by crosslinking the mechanochromic luminescent material. [Chemical formula 1] (In the formula, Yand Yeach denote a substituent group that inhibits aggregation of the mechanochromic luminescent material represented by formula (1), and Yand Ymay be same as or different from each other. Zand Zeach denote a polymerizable group, and may be same as or different from each other.) [Chemical formula 2] (In the formula, Yand Yeach denote a substituent group that inhibits aggregation of the mechanochromic luminescent material represented by formula (2), and Yand Ymay be same as or different from each other. Zand Zeach denote a polymerizable group, and may be same as or different from each other). 

Mechanochromic luminescent material, mechanochromic resin obtained by crosslinking mechanochromic luminescent material, method for producing mechanochromic luminescent material, and method for producing mechanochromic

There is provided a conductive film having conductivity in a surface direction, being deformable, having excellent durability, and transmitting visible light. A conductive film includes a film substrate and a conductive material layer. The conductive material layer is provided on a first substrate surface of the film substrate. A plurality of through holes penetrating the film substrate and the conductive material layer in a thickness direction are formed in the conductive film. The conductive material layer has a plurality of conductive portions, and the conductive portions are present between adjacent layer opening portions. The number of the conductive portion is 400 per 1 mm, and an opening ratio of the conductive material layer is at least 40%.

Growing community of inventors

Sendai, Japan

Hiroshi Yabu