Sumitomo Chemical Company, Limited

Hiroshima University

Kunihito Miyake

Kenji Kimura

Mutsuko Higo

Kanako Fukuda

Hironobu Iyama

Shinzo Seko

Kazuo Takimiya

Taketoshi Kikuchi

Kenichiro Ohya

Kenji Kohiro

Hideaki Awa

Itaru Osaka

Atsushi Higo

Hideo Narahara

Chikara Ohta

An object of the present invention is to provide a polymer compound providing high charge mobility. The polymer compound of the present invention has a repeating unit represented by the formula (1): wherein Arand Arare each an aromatic hydrocarbon ring, a heterocycle, or a fused ring of an aromatic hydrocarbon ring and a heterocycle; and R, R, Rand Reach represent a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, a substituted silyl group, an unsubstituted or substituted carboxyl group, a monovalent heterocyclic group, a cyano group or a fluorine atom.

Polymer compound, and thin film and ink composition each containing same

Provided are an organic silicon compound of the following formula (I): (wherein, Rto Rrepresent each independently alkyl, alkoxy, aryloxy, cycloalkyl, alkylcycloalkyl, aryl, dialkylamino or the like, and the aryloxy and aryl may be substituted with a substituent selected from the group consisting of alkyl, alkoxy and alkoxyalkyl.) which can be used for suppression of coloration and thermal deterioration of an organic material in molding, and an organic material composition containing the organic silicon compound and a method of producing the organic silicon compound.

Organic silicon-based compound and method of producing the same

There is provided a phosphite composition comprising 100 parts by weight of a phosphite represented by the formula (1) and 0.5 to 8 parts by weight of an aliphatic hydrocarbon lubricant having a softening point or a melting point of not higher than 115&#xb0; C., wherein the content of the phosphite (1) in said composition is 30 to 99.5% by weight. 

Phosphite composition and method for producing the same

There is a provided a polyurethane composition, which exhibits an excellent property of preventing discoloring or coloring not only by oxidized nitrogen gases but also by heat, characterized in that

Polyurethane composition

Polybutadiene composition

The present invention provides a polyaminotriazine represented by the formula (I):

Polyaminotriazine and its production and use

A process for producing an aminonitropyridine represented by the general formula [1], which comprises reacting a nitropyridine represented by the general formula [2] (wherein X.sup.1, X.sup.2 and X.sup.3 indicate a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aryl group, an aromatic heterocycle or an alkyl group, etc.; Y is an oxygen atom; and n is 0 or 1) with an O-substituted hydroxylamine represented by the general formula [3] (wherein R.sup.4 is a hydrogen atom, an alkyl group, a cycloalkyl group or an aralkyl group; and R.sup.5 is an alkyl group or an aralkyl group) or a salt thereof in the presence of a base and a metal catalyst. ##STR1##

Process for producing aminonitropyridines

Growing community of inventors

Yamatokoriyama, Japan

Kunihito Miyake