Asahi Kasei Kabushiki Kaisha

Daikin Industries, Ltd.

Asahi Kasei Chemicals Corporation

Moulage LLC

Kuon Miyazaki

Tadashi Ino

Yuichi Inoue

Shinichi Chaen

Nobuki Uraoka

Takahiro Tago

Kentaro Kikuchi

Tomohisa Konishi

Hideaki Takahashi

Atsushi Shimizu

Masao Kondo

Masahiro Kondo

Naoto Miyake

Takashi Yoshimura

Takashi Hayakawa

Norihito Tanaka

Yoshimitsu Kankawa

Motohiro Fukai

An object is to provide a composition for use in sintered molded bodies that enables an organic binder to be degreased in a short time without requiring a special facility or step, does not cause mold deposit during molding, and suppresses cracking and swelling during molding and after sintering. In order to achieve the above-mentioned object, the present disclosure is a composition for use in sintered molded bodies containing a sinterable inorganic powder and an organic binder, wherein the organic binder contains at least a polyacetal resin, a polyolefin resin and an epoxy resin, and a total end amount with respect to all polyoxymethylene units in the polyacetal resin is 0.1 mol % or more and 0.75 mol % or less.

Composition for use in sintered molded bodies, green molded body, and sintered molded body

A polymer electrolyte membrane of the present disclosure comprises a perfluorosulfonic acid resin (A), wherein the polymer electrolyte membrane has a phase-separation structure having a phase where fluorine atoms are detected in majority and a phase where carbon atoms are detected in majority, in an image of a membrane surface observed under an SEM-EDX, and the polymer electrolyte membrane has a phase having an average aspect ratio of 1.5 or more and 10 or less in an image of a membrane cross-section observed under an SEM.

Polymer electrolyte membrane, membrane electrode assembly, and solid polymer electrolyte fuel cell

The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film having pores and a polymer electrolyte contained in the pores. The porous film is obtained by copolymerizing tetrafluoroethylene and an ethylenic comonomer to provide polytetrafluoroethylene and then stretching the polytetrafluoroethylene. The porous film has an average pore size of greater than 0.20 &#x3bc;m.

Polymer electrolyte film

The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film and a polymer electrolyte. The porous film has a fibril/node area ratio of 90/10 to 75/25.

Polymer electrolyte membrane

The present invention aims to provide an ionomer that can exhibit high oxygen permeability, especially under both low- and high-humidified conditions, and high power generation durability. The high oxygen permeable ionomer includes a specific repeating unit A and repeating unit B and has an equivalent weight of 250 to 930 and a glass transition temperature of 100&#xb0; C. to 130&#xb0; C.

Ionomer having high oxygen permeability

Disclosed is a photosensitive resin composition comprising an alkali-soluble resin, wherein the dissolution rate of the alkali-soluble resin in an aqueous sodium carbonate solution is not less than 0.04 &#x3bc;m/sec. When a photosensitive layer having a thickness of 30 &#x3bc;m is formed by applying the photosensitive resin composition onto a base and removing the solvent by heating, and thus-obtained photosensitive layer is irradiated with an active ray of 1000 mJ/cmor less, the dissolution rate of the portion irradiated with the active ray in the photosensitive layer made of the photosensitive resin composition is not less than 0.22 &#x3bc;m/sec and the film residual rate of the portion not irradiated with the active ray is not less than 90%.

Photosensitive resin composition and photosensitive film

An object of the present invention is to provide a cationic curable composition which has low viscosity, can be rapidly photo-cured even in the air, has good adhesion to a substrate such as glass or resin, and is excellent in glass cleaner resistance and water resistance; an ink jet ink, a gravure ink and a hard coating material which comprise the composition; and cured products thereof. A cationic curable composition comprising: (A) 1 to 100 parts by weight of a phenol derivative having 3 or more aromatic rings per molecule, wherein the aromatic ring has a structure in which some or all of hydrogen atoms of phenolic hydroxyl groups of the aromatic ring are substituted by polymerizable functional groups; (B) 1 to 500 parts by weight of a cationic polymerizable compound; and (C) 0.05 to 20 parts by weight of a photo- and/or thermo-cationic initiator is provided.

Cationic curable composition and cured product thereof

There is provided a photosensitive composition excellent in photo-curability which comprises an epoxy compound having two or more epoxy groups, a polynuclear phenol compound having a specific structure and an energy beam-sensitive cationic polymerization initiator, and optionally a predetermined percentage of a hydroxyl group-containing compound having one or more hydroxyl groups and one or more of at least one of a vinyl ether group and an oxetanyl group in a molecule, and a cured product of the same whose film is excellent in adhesion to various substrates, water resistance and flexibility.

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Tokyo, Japan

Kuon Miyazaki