Otsuka Chemical Co., Ltd.

Japan Science and Technology Agency

Otsuka Kagaku Kabushiki Kaisha

Emiko Daimon

Shinji Nakano

Mitsuo Akada

Minoru Yamamoto

Kazuhiro Kawano

Shigeru Yamago

Takashi Kameshima

Toshiaki Yagi

Shogo Kamada

Osamu Ito

Takuya Nomoto

Koji Mori

Kunihiko Sugoh

Takashi Ogawa

Koji Ishida

Kazuhiro Tada

Ken Shu

Provided is a friction material composition that can increase the coefficient of friction and the wear resistance, reduce the compressive deformation rate, and improve the yield upon hot forming, even when being free of copper component or having a small content of copper component. The friction material composition contains: titanate compound powder made of non-fibrous titanate compound particles; barium sulfate powder; and a thermosetting resin, wherein the titanate compound powder has an alkali metal ion dissolution rate of 15.0% by mass or less, the barium sulfate powder has a volume-based 50% cumulative particle diameter (D) of 0.1 &#x3bc;m to&#x3bc;m, and a content of copper component is 0.5% by mass or less in terms of copper element in a total amount of 100% by mass of the friction material composition.

Friction material composition, friction material, and friction member

Provided are: a resin composition that can be given excellent formability and wear resistance when used as a friction material or the like; and a method for producing the resin compound. A titanate compound, which is a salt of at least one element selected from the group consisting of alkali metals and alkaline earth metals, is dispersively contained in a thermosetting resin prior to curing.

Resin composition, friction material, and method for producing same

An organobismuth compound represented by the formula (1) wherein Rand Rare C-Calkyl, aryl, substituted aryl or an aromatic heterocyclic group, Rand Rare each a hydrogen atom or C-Calkyl, and Ris aryl, substituted aryl, an aromatic heterocyclic group, acyl, amido, oxycarbonyl or cyano.

Organic bismuth compound, method for producing same, living radical polymerization initiator, method for producing polymer using same, and polymer

The present invention provides a 2,2&prime;-bis(6-benzotriazolylphenol) compound represented by the formula

2,2&prime;BIS(6-Benzotriazolylphenol) compound, ultraviolet ray absorber comprising the compound, copolymer containing the compound and polymer composition containing the compound

2,2'-Bis(6-benzotriazolylphenol) compound, ultraviolet ray absorber

Bisbenzotriazolylphenol compound

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Tokushima, Japan

Emiko Daimon