Daikin Industries, Ltd.

Tokyo Institute of Technology

Iwate University

Akita University

Ochanomizu University

Greene, Tweed Technologies, Inc.

Nihon University

Nissin Chemical Industry Co., Ltd.

Greene, Tweed of Delaware, Inc.

Daiken Industries, Ltd.

Tsuyoshi Noguchi

Hiroyuki Tanaka

Tadashi Kanbara

Mitsuru Kishine

Takafumi Yamato

Katsuhiko Higashino

Fumihiro Kamiya

Toshikazu Takata

Masanori Hasegawa

Hiromitsu Sogawa

Yoshito Tanaka

Seiichi Hirano

Kazuyoshi Kawasaki

Hirofumi Nishibayashi

Sadashige Irie

Tsuyoshi Itagaki

Katsuhiko Iseki

Nobuhiko Tsuda

Toshiharu Yagi

Yoshiyuki Oishi

Kazuhisa Matsumoto

Mitsutoshi Jikei

Toyokazu Tsutsuba

Kazuya Matsumoto

Tomoko Yajima

Shunsuke Monjiyama

Kohsaku Sakaguchi

Satoshi Uchida

Meiten Koh

Tatsuya Morikawa

Masaki Irie

Kazuo Ishiwari

Yasuhito Koyama

Hirokazu Komori

Etsuo Minamino

Jiazhong Luo

Kazuyoshi Mimura

Eisaku Sumino

Haruhiko Mouri

ChenGang Wang

Takayuki Araki

Masayoshi Tatemoto

Masayasu Tomoda

Haruhisa Masuda

Masanori Kitaichi

Yuuki Kuwajima

Kenta Kubo

Takeshi Inaba

Hiroyuki Ohata

Yoshihiro Shirai

Tsuyoshi Ono

Tomohisa Konishi

Nobukatsu Nemoto

Masato Tanaka

Satoshi Terasaki

Masatoshi Shioya

Yoshiko Mori

Shushi Yamada

Yoshiho Yanagida

Moeka Sano

Cheawchan Sumitra

Sumito Yamakawa

Tadatake Sakurada

Kana Sasahara

Kouji Fukuyama

Kunio Nishi

Yoshinari Taguchi

Shinya Maruta

Seiji Kawaguchi

Satomi Uraoka

Kuwajima Yuuki

A composition containing a fluorine-containing polymer and a silicon oxide represented by formula: SiO, where 0<x<2. In a preferred embodiment, the composition contains a cross-linking agent. Also disclosed is a crosslinked product which may be a sealing material obtained by crosslinking the composition.

Composition containing fluorine-containing polymer and crosslinked article

Provided is a fluorine-containing elastomer composition that contains a non-crosslinked fluorine-containing elastomer and a crosslinked perfluororesin.

Fluorine-containing elastomer composition and article

A crosslinkable elastomer composition including a crosslinkable elastomer and a surface-oxidized non-oxide ceramic. Also disclosed is a fluoroelastomer molded article having a weight reduction percentage of 2.5% by mass or less and an amount of particles generated of 0.05% by mass or less after Oplasma irradiation, a weight reduction percentage of 1.8% by mass or less, an amount of particles generated of 0.05% by mass or less after NFplasma irradiation, and a compression set of 50% or less after aging at 300° C. for 70 hours.

Crosslinkable elastomer composition and fluororubber molded article

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 composition including a composite particle and a fluorine-containing polymer, wherein the composite particle comprises a polymer and an inorganic particle dispersed in the polymer, and the polymer contains an acid group-containing monomer unit. Also disclosed is a molded article obtained from the composition.

Composition and molded article containing fluorine-containing polymer

A silsesquioxane compound represented by the following formula (I): (RSiO), wherein Ris, each independently at each occurrence, Ror R; provided that at least one Ris R; Ris —R—CF—R—R; Ris a divalent group; Ris a divalent polymer chain; Ris a halogen atom or a hydrogen atom; Ris a hydrogen atom, an alkyl group, a phenyl group, or —(OSiR)—R; Ris, each independently at each occurrence, a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; j is, each independently at each occurrence, an integer of 1 to 3; and n is an arbitrary integer.

Silsesquioxane

An iodine compound represented by formula (3) and a polymerization inhibitor including the iodine compound, wherein Rto Rare as defined herein, Xis an n1-valent group, and n1 is an integer of 1 to 10:

Iodine-containing compound

A polybenzimidazole production method for producing the polybenzimidazole including a repeating unit represented by the following formula (1): wherein Ris —SO—, —O—, —CO—, an alkylene group optionally containing a substituent, or a group represented by the following formula (a): two Xs are each individually a hydrogen atom or a monovalent organic group; and Ris a divalent organic group, the production method including a step (1-1) of polymerizing a tetramine compound and a dicarboxylic acid derivative compound to provide a polybenzimidazole precursor polyamide, and a step (1-2) of dehydrocyclizing the polybenzimidazole precursor polyamide.

Polybenzimidazole, precursor polyamide thereof, and method for producing same

A composition including a fluorine-containing polymer and a silicon-containing compound, wherein the phosphorus content in the composition is 20 ppm or less. Also disclosed is a molded article obtained from the composition, and a second composition containing a fluorine-containing polymer and a silicon-containing polymer, wherein a content of an amide solvent in the composition is less than 1000 ppm.

Composition and molded article

The present invention aims to provide a laminate in which a fluororesin layer and a fluororubber layer are firmly bonded. The present invention relates to a laminate including: a fluororubber layer (A); and a fluororesin layer (B) stacked on the fluororubber layer (A), the fluororubber layer (A) being formed from a fluororubber composition, the fluororubber composition containing a fluororubber, a low molecular weight polytetrafluoroethylene, and a multifunctional compound, the amount of the multifunctional compound being 5 parts by mass or more relative to 100 parts by mass of the fluororubber.

Laminate

A crosslinkable elastomer composition including a crosslinkable elastomer and a surface-oxidized non-oxide ceramic. Also disclosed is a fluoroelastomer molded article having a weight reduction percentage of 2.5% by mass or less and an amount of particles generated of 0.05% by mass or less after Oplasma irradiation, a weight reduction percentage of 1.8% by mass or less, an amount of particles generated of 0.05% by mass or less after NFplasma irradiation, and a compression set of 50% or less after aging at 300&#xb0; C. for 70 hours.

A method for producing a polybenzimidazole precursor polyamide including a repeating unit represented by the following formula (2): wherein Ris &#x2014;SO&#x2014;, &#x2014;O&#x2014;, &#x2014;CO&#x2014;, an alkylene group optionally containing a substituent, or a group represented by the following formula: two Xs are each individually a monovalent organic group; and Ris a divalent organic group, the method including: a step (1-1) of polymerizing a tetramine compound (3) and a dicarboxylic acid derivative compound (4) as defined herein to provide the polybenzimidazole precursor polyamide.

A fluorine-containing polybenzimidazole containing a repeating unit represented by the following formula (1):  

The invention provides a fluoroelastomer composition that can be crosslinked at an industrially sufficient rate without the use of a graphene having specific surface properties and can provide a fluoroelastomer molded article having higher tensile strength and better abrasion resistance than conventional fluoroelastomer molded articles even though having a similar tensile modulus to conventional fluoroelastomer molded articles. The fluoroelastomer composition contains a fluoroelastomer that contains a crosslinkable group-containing monomer unit and an elongated sheet-shaped graphene. The graphene exhibits a ratio (L/W) of a maximum length (L) and a width (W) of 2 to 10, and the graphene exhibits a ratio (L/T) of the maximum length (L) and a thickness (T) of 1&#xd7;10to 1&#xd7;10.

Fluoroelastomer composition and molded article thereof

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

Growing community of inventors

Settsu, Japan

Tsuyoshi Noguchi