Tokyo Institute of Technology

Dic Corporation

Iwate University

Daikin Industries, Ltd.

Toyoda Gosei Co., Ltd.

Sumitomo Rubber Industries Limited

Lintec Corporation

Kinki University

Fukuoka University

Wan Station Co., Ltd.

Canon Kabushiki Kaisha

National University Corporation, Iwate University

Toshikazu Takata

Satoshi Ogawa

Hajime Watanabe

Tsuyoshi Noguchi

Tadashi Kanbara

Yasuhito Koyama

Takashi Furusawa

Toyokazu Tsutsuba

Hiromitsu Sogawa

Naoki Iwase

Akishige Seo

Hideyuki Imai

Shunsuke Monjiyama

Toshiyuki Tarao

Satoshi Uchida

Mami Tanaka

Shun Araki

Haruhiko Mouri

ChenGang Wang

Takayuki Arai

Mikihiro Kashio

Haruhisa Masuda

Katsumoto Hosokawa

Takahiro Kojima

Naoyuki Akahori

Yoshihiko Fujita

Shoko Nakahata

Kaori Miura

Yasuhiro Kohsaka

Ryota Seto

Yusuke Katono

Kazuko Nakazono

Toshihide Hasegawa

Young-Gi Lee

Nobufumi Ono

Kazuto Nishio

Jun Sawada

Cheawchan Sumitra

Yosuke Akae

Morio Yonekawa

A rotaxane compound comprising one or more cyclic molecules and an axial molecule penetrating through inner holes of the cyclic molecules and having cap structures disposed lest the cyclic molecules should be detached, where one of the cyclic molecule and the axial molecule has one of a functional group being capable of reacting with silica and a functional group being capable of reacting with a carbon-carbon unsaturated bond, and the other of the cyclic molecule and the axial molecule has the other of the functional group being capable of reacting with silica and the functional group being capable of reacting with a carbon-carbon unsaturated bond.

Rotaxane compound

The present invention provides a compound represented by formula (I) wherein symbols in the formula are as defined in the specification.

Nitrile oxide compound

A crosslinked rubber composition contains ethylene-propylene-diene copolymer rubber crosslinked with a rotaxane compound having a cyclic molecule and an axial molecule penetrating through the cyclic molecule. In the crosslinked rubber composition, the ethylene-propylene-diene copolymer rubber contains vinylnorbornene, dicyclopentadiene, or tetrahydroindene as a diene component, and the rotaxane compound has a nitrile oxide group on the cyclic molecule and one end of the axial molecule, and the cyclic molecule is crown ether.

Crosslinked rubber composition and production method therefor

An object of the present invention is to provide a novel rotaxane and a polyurethane using the same. The present invention provides a rotaxane having a crown ether and a chain molecule piercing through the cyclic structure of the crown ether, wherein a hydroxyl group exists at one terminal of the chain molecule, and a hydroxyl group bonds to the cyclic structure of the crown ether. The present invention further provides a polyurethane using the rotaxane as a polyol component.

Rotaxane and polyurethane using the same

An object of the present invention is to provide a novel rotaxane and a production method of the same. The present invention provides a rotaxane polyurea having a cyclic molecule and a polyurea chain piercing through the cyclic molecule.

Rotaxane, crosslinked product of rotaxane, and methods for producing the same

A compound of the formula (III): wherein Ris a hydrogen atom or an alkyl group; Ris a hydrogen atom or an alkyl group; and Ris a divalent organic group.

Nitrileoxide compound

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 provides a compound of the formula (I): wherein, A is R(R), N, O, S, or &#x2014;NR&#x2014;; Ris an s-valent organic group; Ris each independently, &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;NR&#x2014; or &#x2014;O&#x2014;P(&#x2550;O)OR&#x2014;; Rand Rare each independently a hydrogen atom or a hydrocarbon group; Ris each independently, a hydrocarbon group; Ris each independently, a hydrogen atom or a hydrocarbon group; and s is an integer of 1-10.

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.

The present invention provides a compound of the formula (I): wherein, Ris a hydrogen atom or a hydrocarbon group; Ris &#x2014;R&#x2014;R; Ris &#x2014;R&#x2014;Ror &#x2014;R&#x2014;R; Ris a divalent organic group; Ris OH, SH, COOH or NHR; Ris a hydrogen atom or an alkyl group having 1-6 carbon atoms; and Ris a hydrogen atom or an alkyl group having 1-6 carbon atoms.

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.

Growing community of inventors

Tokyo, Japan

Toshikazu Takata