Daikin Industries, Ltd.

Tokyo Institute of Technology

Iwate University

Ochanomizu University

Nihon University

Tadashi Kanbara

Tsuyoshi Noguchi

Toshikazu Takata

Hiromitsu Sogawa

Yoshiyuki Oishi

Toyokazu Tsutsuba

Tomoko Yajima

Shunsuke Monjiyama

Satoshi Uchida

Yasuhito Koyama

Haruhiko Mouri

Yoshito Tanaka

Haruhisa Masuda

Haruhiko Mohri

ChenGang Wang

Fumihiro Kamiya

Jun Miki

Kouji Kubota

Yuko Shiotani

Nobukatsu Nemoto

Yoshikage Ohmukai

Cheawchan Sumitra

Moeka Sano

Kana Sasahara

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 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 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):  

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 invention provides a novel polymer, a composition, and a molded article. The polymer contains a constitutional unit represented by the following formula (1): wherein Xand Xare the same as or different from each other, and are each a hydrogen atom, an alkyl group optionally containing a fluorine atom, or a phenyl group; Yis an oxygen atom or a sulfur atom; Rfis a hydrogen atom or an alkyl group optionally containing a fluorine atom; and a is an integer of 1 to 4.

Polymer, composition, and molded article

The present invention provides a fluorine-containing, silicon-containing compound of formula (I):T-(A-B)-Twhich is useful as an additive.

Fluorine-containing and silicon containing compound

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 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.

The present invention aims to provide a heat-curable composition that is capable of providing a cured product having low vapor permeability, a low linear expansion coefficient, and a low refractive index. The present invention relates to a curable composition including a fluorine-containing polymer having a hydroxyl value of 100 mgKOH/g or higher and a refractive index of 1.42 or lower and an epoxy compound.

Curable composition

A stable and easily producible compound of the formula (I): wherein Rrepresents a hydrocarbon group; and Rand Rrepresent each independently a hydrogen atom or a hydrocarbon group: provided that in at least one of R, Rand R, at least one hydrogen atoms are substituted by a fluorine atom, and each of R, Rand Ris attached via its carbon atom to a carbon atom to which a nitrileoxide group is attached.

Fluorine-containing nitrile-oxide compound

The present invention provides a compound of the formula (I): wherein:

Growing community of inventors

Settsu, Japan

Tadashi Kanbara