Otsuka Chemical Co., Ltd.

Yasuhito Ito

Hiroyoshi Mori

Toshifumi Hioki

Provided is a potassium titanate powder that can avoid safety and health concerns and concurrently, during use in a friction material, can give excellent frictional properties. A potassium titanate powder is a powder formed of bar-like potassium titanate particles having an average length of 30 &#x3bc;m or more, an average breadth of 10 &#x3bc;m or more, and an average aspect ratio of 1.5 or more, wherein the bar-like potassium titanate particles are represented by a composition formula KTiO(where n=5.5 to 6.5).

Potassium titanate powder, method for producing same, friction modifier, resin composition, friction material, and friction member

Provided is a potassium titanate powder that can avoid safety and health concerns and concurrently, during use in a friction material, can give excellent frictional properties. A potassium titanate powder is a powder formed of bar-like potassium titanate particles having an average length of 30 &#x3bc;m or more, an average breadth of 10 m or more, and an average aspect ratio of 1.5 or more, wherein the bar-like potassium titanate particles are represented by a composition formula KTiO(where n=5.5 to 6.5).

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Tokyo, Japan

Yasuhito Ito