Sekisui Chemical Co., Ltd.

Hiroshima University

Sekisui Kagaku Kogyo Kabushiki Kaisha

Tokyo University of Science Foundation

Oita University

Hiroji Fukui

Akira Nakasuga

Kazuki Yamamoto

Shoji Nozato

Yoshinori Akagi

Masateru Fukuoka

Takeharu Haino

Ryo Sekiya

Kunihiro Ichimura

Hideaki Ishizawa

Kenji Yamauchi

Toshio Enami

Takeo Kuroda

Kenichi Aoki

Masahiro Ishii

Hiroshi Kobayashi

Koji Arimitsu

Shigeru Yamago

Yasuhiro Nakatani

Keigo Oowashi

Katsunori Takahashi

Hiroshi Hiraike

Masahiro Toyoda

Ren-de Sun

Yasuyuki Ieda

Motokuni Ichitani

Minoru Suezaki

Shintaro Moriguchi

Minoru Seki

Shigeru Nomura

Takamaro Kakehi

Kazuhiro Kawabata

Takahiro Oomura

Motoi Nagano

Shunsuke Kondo

Takao Unate

Miki Inaoka

Tetsunari Iwade

Rende Sun

Mikitoshi Suematsu

Hiroko Miyazaki

Ren-De Sun

The present invention provides black particles that have high electrical insulation and that can achieve high blackness in the visible light region, as well as a black coating material, a coating film, and a black matrix for a color filter each containing the black particles. Provided are black particles containing a copolymer including a structural unit derived from a pyrrole compound and a structural unit derived from a quinone compound, the black particles having an aqueous dispersion number average particle size of 100 nm or less and a zeta potential of −5 mV or less.

Black particles, black coating material, coating film, and black matrix for color filters

Provided are exfoliated graphite that rarely folds, rarely curls, and rarely causes corrosion of an electrode when used as the electrode material, and a method for manufacturing the exfoliated graphite. Exfoliated graphite being graphene or a laminate of graphene sheets, the exfoliated graphite having a ratio 2 D/G of 0.5 or more and 5.0 or less, the ratio 2 D/G being a peak area ratio of a 2 D band to a G band in a Raman. spectrum measured. using Raman spectroscopy, and a halogen content of 1,000 ppm or less.

Exfoliated graphite and manufacturing method therefor

Provided is a photosensitizer that can make a compound having a polymerizable group be efficiently cured by irradiation with an active energy ray. A photosensitizer comprising graphene,

Photosensitizer and active energy ray-curable composition

A light-modulating material of which the light transmittance can be controlled over a wide region from visible light to infrared light by voltage application is provided. The light-modulating material comprises a graphene-like carbon material having an aspect ratio of 3 or more and 330 or less.

Light-modulating material, light-modulating film, and light-modulating laminate

Provided is a gas barrier material having superior gas barrier properties. This gas barrier materialcomprises a matrix resin, and a carbon materialdisposed in the matrix resin, wherein the carbon materialcontains a partially exfoliated graphite having a structure in which graphite is partially exfoliated.

Gas barrier material and thermosetting resin composition

Provided is a new polycyclic aromatic hydrocarbon derivative. The polycyclic aromatic hydrocarbon derivative is a derivative of a polycyclic aromatic hydrocarbon having 6 or more aromatic rings and has a substituent represented by the following formula (1). (In the formula (1), Rand Rare carbon atoms of the aromatic rings in the polycyclic aromatic hydrocarbon, and Rto Rare carbon atoms of an aromatic ring or a heterocyclic ring in a group having the aromatic ring or the heterocyclic ring. n is 0 or 1, and m is the number of substituents.) [Chemical 1] 

Polycyclic aromatic hydrocarbon derivative, fluorescent material, phosphorescent material, and light-modulating material

A microfluidic device provided with a micro-channel structure capable of easily and positively providing therein micro-droplet having various dilution ratios. A micro-channel structure provided in a substrate () has a first mixing unit () and a second mixing unit () connected to the downstream side of the first mixing unit (), with each mixing unit () having first through third micro-channels. One end of a first weighing unit () consisting of a micro-channel having a capacity equivalent to the volume of a specified-amount first micro-droplet is opened to a first micro-channel (), and the other end is opened to a merging unit () provided on a second micro-channel (). One end of a second weighing unit () consisting of a micro-channel having a capacity equivalent to the volume of a specified-amount second micro-droplet is connected to a third micro-channel (), and the other end is opened to the merging unit (). Any one of the first through third outlet ports of the first mixing unit is connected with the first or the third inlet port of the second mixing unit ().

Micro fluid device and trace liquid diluting method

The present invention provides a photoresponsive gas-generating material that is to be used in a micropump of a microfluid device having fine channels formed therein, and is capable of effectively generating gases for transporting a microfluid in response to light irradiation and transporting the microfluid at an improved transport efficiency. The present invention also provides a micropump incorporating the photoresponsive gas-generating material. A photoresponsive gas-generating materialis to be used in a micropump having fine channels formed in a substrate, and comprises a photo-sensitive acid-generating agent and an acid-sensitive gas-generating agent, and a micropumphas the photoresponsive gas-generating materialhoused therein.

Photoresponsive gas-generating material, micropump and microfluid device

It is an object of the present invention to provide a binder resin which, when used in an inorganic fine particle-dispersed paste composition, leaves little amount of residual carbon after sintering and can be degreased even under low temperature conditions. It is also an object of the present invention to provide a vehicle composition and an inorganic fine particle-dispersed paste composition, which are obtained by using the binder resin. The binder resin of the present invention is for use in an inorganic fine particle-dispersed paste composition containing inorganic fine particles. The binder resin contains from 5 to 55% by weight of a segment derived from methyl methacrylate, from 30 to 80% by weight of a segment derived from isobutyl methacrylate, and from 5 to 20% by weight of a segment derived from polyoxyalkylene ether monomethacrylate.

Binder resin, vehicle composition, and paste composition having inorganic microparticle dispersed therein

The present invention provides a terminally modified acrylic polymer having excellent thermal decomposition properties at low temperatures, an inorganic fine particle dispersed paste composition obtained by using the terminally modified acrylic polymer and a method of producing of the terminally modified acrylic polymer.

Terminally modified acrylic polymer and method for producing terminally modified acrylic polymer

The present invention provides a photocurable composition which contains a photobase generator capable of generating a satisfactory amount of a base in a high quantum yield when irradiated even with a small quantity of light for a short time, and contains a curable compound that is rapidly cured by the generated base such that the composition is cured into a cured product. The photocurable composition comprises: a photobase generator (A) which is a salt of a carboxylic acid (a1-1) represented by the following formula (1-1) with a basic compound (a2), and a curable compound (B) which has, in one molecule thereof, at least two functional groups selected from among epoxy group, (meth)acryloyl group, isocyanato group, acid anhydride group, and alkoxysilyl group, where R1 to R7 in the above formula (1-1) each are hydrogen or an organic group, R1 to R7 may be the same or different, and two of R1 to R7 may be bonded to each other to form a ring structure.

Photocurable composition

It is an object of the present invention to provide a binder resin composition usable for an inorganic fine particle-dispersed paste composition which is excellent in thixotropy and storage stability, has scarcely changeable screen printability with the lapse of time, and can be fired at a low temperature, and to provide the inorganic fine particle-dispersed paste composition. The present invention is directed to a binder resin composition, which contains a binder comprising a (meth)acrylic resin, an organic compound having 3 or more hydroxyl groups, and an organic solvent, the content of the organic compound having 3 or more hydroxyl groups being 0.1 to 15 parts by weight to 100 parts by weight of the (meth)acrylic resin.

Binder resin composition and inorganic fine particle-dispersed paste composition

To provide a micropump device having good controllability over the amount of gas generated from the gas generating material and thus the amount of liquid fed by the micropump. The micropump device includes a micropumpand a controller. The micropumpincludes: a microchannelserving as a channel for liquid; a gas generating materialgenerating a gas upon exposure to light and supplying the gas to the microchannel; and a light sourcefor irradiating the gas generating materialwith light. The controllersupplies to the light sourcea control pulse signal CS that causes the light sourceto blink on and off in a binary manner by repeating a pulse train pattern composed of a fixed number of bits each capable of having two states, one of which is a first level allowing the light sourceto be turned on and the other of which is a second level allowing the light sourceto be turned off.

Micropump device

The present invention provides a photocurable pressure-sensitive adhesive composition which has sufficient adhesion before being irradiated with light, and after being irradiated with light, keeps a sufficient pot life and has a short cure-completion time at a room temperature. A cured product produced from the composition has high adhesion force to adherends difficult to be attached, and excellent durability. The photocurable pressure-sensitive adhesive composition comprises a crosslinking compound (A) that is crosslinkable by the action of a base, a photobase generator (B) which becomes active upon light irradiation to generate a base, and a tackifying component (C).

Photocurable pressure-sensitive adhesive composition

The present invention provides a microfluidic device with a micro-pump system in which the production process is simplified and the device is further downsized. A microfluidic devicehas a gas generation portion. The gas generation portionhas a substrateand a gas generation layer. The substratehas a first main surfaceand a second main surface. The substratehas a micro-channelwith an opening at least on the first main surface. The gas generation layeris disposed on the first main surfaceof the substrateso as to cover an opening. The gas generation layergenerates gas by receiving an external stimulus.

Micro fluid device

Growing community of inventors

Osaka, Japan

Hiroji Fukui