Iwate University

Seiko Epson Corporation

Dic Corporation

National University Corporation, Iwate University

Satoshi Ogawa

Toshikazu Takata

Hajime Watanabe

Takashi Furusawa

Shun Araki

Shinichi Kamoshida

Takao Nishikawa

Takashi Nitta

Katsuhito Gomi

Yoshiteru Nishimura

Shigekazu Yanagisawa

Hiroki Muraoka

There are provided a reactivity-introduced compound that imparts reactivity capable of bonding of a solid to another material, can perform imparting to a solid with high efficiency, and has high adhesion of bonding, a manufacturing method thereof, a surface-reactive solid using the same, and a manufacturing method of a surface-reactive solid. There are provided a reactivity-introduced compound provided on a surface of the solid for bonding the solid to another material, the reactivity-introduced compound including a triazine ring, an alkoxysilyl group (including a case where an alkoxy group in the alkoxysilyl group is OH), and a diazomethyl group in one molecule, a manufacturing method thereof, a surface-reactive solid using the same, and a manufacturing method of a surface-reactive solid.

Reactivity-introduced compound, manufacturing method thereof, surface-reactive solid using same and manufacturing method of surface-reactive solid

The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: reacting a sulfoxide represented by the following formula (1) with a particular aromatic compound to obtain a poly(arylenesulfonium salt) having a particular constitutional unit; and dealkylating or dearylating the poly(arylenesulfonium salt) to obtain a polyarylene sulfide resin having a particular constitutional unit, 

Polyarylene sulfide resin and manufacturing method therefor, poly(arylene sulfonium salt) and manufacturing method therefor, and sulfoxide

Disclosed is a production method comprising a step of obtaining a poly(arylene sulfonium salt) comprising a terminal group including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group, and a step of dealkylating or dearylating the poly(arylene sulfonium salt) to obtain a polyarylene sulfide resin, and a polyarylene sulfide resin comprising a terminal group including a functional group obtainable by the production method.

Polyarylene sulfide resin, method for producing same, poly(arylene sulfonium salt), and method for producing poly(arylene sulfonium salt)

The present invention relates to a polyarylene sulfide resin, a method for producing the same, a poly(arylene sulfonium salt), and a method for producing the same. The production method comprises a step of obtaining a poly(arylene sulfonium salt) comprising a terminal group including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group, and a step of dealkylating or dearylating the poly(arylene sulfonium salt) to obtain a polyarylene sulfide resin, and a polyarylene sulfide resin comprising a terminal group including a functional group obtainable by the production method.

Polyarylene sulfide resin and manufacturing method therefor, poly(arylenesulfonium salt) and manufacturing method therefor, and sulfoxide

The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: a step of reacting a poly(arylenesulfonium salt) having a constitutional unit represented by the following formula (1) with an aliphatic amide compound to obtain a polyarylene sulfide resin having a constitutional unit represented by the following formula (2): wherein Rrepresents a direct bond, -Ar-, -Ar-S&#x2014; or -Ar-O&#x2014;; Arand Areach represent an arylene group optionally having a functional group as a substituent; Rrepresents an alkyl group having 1 to 10 carbon atoms or an aromatic group optionally having an alkyl group having 1 to 10 carbon atoms as a substituent; and Xrepresents an anion, wherein Rand Arare the same as described above.

Polyarylene sulfide resin, manufacturing method therefor, and molding

The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: a step of reacting a poly(arylenesulfonium salt) having a constitutional unit represented by the following formula (1) with an aliphatic amide compound to obtain a polyarylene sulfide resin having a constitutional unit represented by the following formula (2): wherein Rrepresents a direct bond, &#x2014;Ar&#x2014;, &#x2014;Ar&#x2014;S&#x2014; or &#x2014;Ar&#x2014;O&#x2014;; Arand Areach represent an arylene group optionally having a functional group as a substituent; Rrepresents an alkyl group having 1 to 10 carbon atoms or an aromatic group optionally having an alkyl group having 1 to 10 carbon atoms as a substituent; and Xrepresents an anion, wherein Rand Arare the same as described above.

A display device includes: a substrate provided on a side of the display surface; a counter substrate disposed to face the substrate; a display layer provided between the substrate and the counter substrate and filled with a dispersion liquid formed of a dispersion medium in which white particles and black particles charged with polarities opposite to each other are dispersed; and a particle constrained layer provided in the display layer, and suppresses the white particles and the black particles from moving in an in-plane direction of the display layer, while allowing the particles to move in the thickness direction of the display layer. In the display device, a particle constrained layer is provided to be separated from the substrate.

Display sheet, display device, and electronic apparatus

A writing device for displaying an image on a display layer having a containing portion in which electrophoretic particles are contained, includes: a casing; a power supply provided in the casing; an electrode portion which is provided in the casing and is electrically connected to the power supply; and a conductive portion which is provided in the casing and is electrically connected to the power supply, wherein display of the image is performed by electrically connecting the electrode portion to the display layer so that the conductive portion is electrically connected to the display layer.

Writing device, display sheet, and electronic device

A display sheet includes a display layer that has a first display layer having multiple first containers each containing a first electrophoretic particle group and a second display layer disposed on one surface side of the first display layer and having multiple second containers each containing a second electrophoretic particle group. Each of the multiple first containers overlaps at least one of the multiple second containers in a planar view of the display layer.

The quality of an image recorded on electronic paper is improved. Specifically, electronic paper for displaying an image is supplied in a region in which an electric field is generated in the thickness direction of the electronic paper, the electronic paper having charged color particles and being used for displaying an image as a result of charged color particles migrating in the thickness direction. Voltage for generating an electric field in the region is controlled by a voltage control section so that the value of the voltage varies together with time. The quality of an image recorded on electronic paper can thereby be improved.

Device and method for recording image to electronic paper

A display device includes a substrate that is provided on a display face side, an opposed substrate that is provided opposing the substrate, a display layer that is provided between the substrate and the opposed substrate and is filled with a dispersion liquid in which white particles and black particles are dispersed in a dispersion medium, and a particle constrained layer that is provided in the display layer to allow the particles to move in a thickness direction of the display layer and to prevent the particles from moving in an in-plane direction of the display layer. A void ratio of the particle constrained layer of the substrate side is higher than that of the opposed substrate side.

A display apparatus includes: an electrode layer; a display layer that is provided on the electrode layer, and that includes a plurality of containers containing at least one of positively charged first particles and negatively charged second particles; a film provided on the display layer; and a movable electrode portion capable of applying voltage to part of a region of the display layer through the film, the film being a conductive film having lower conductivity in a planar direction than in a thickness direction of the film.

Display apparatus and display sheet

An organic semiconductor compound is represented by a general formula 1: wherein A and B each are an aromatic ring with a conjugated electron system and X and Y each are DR, ER or G in which D denotes any of C, Si, Ge and Sn, E denotes any of N, P, As and Bi, G denotes any of O, S, Se and Te and R denotes any of H, an alkyl group and an aryl group.

Organic semiconductor compound, organic semiconductor thin film, organic semiconductor coating liquid, organic thin film transistor, methods for producing bis(benzo[4,5] thieno)[2,3-B:3'2&#x2032;-E][1,4]dithin and bis(benzo [4,5]thieno)[2,3-B:2&#x2032;3&#x2032;-E][1,4]dithiin

Growing community of inventors

Morioka, Japan

Satoshi Ogawa