发明名称 Rubber composition for pneumatic tire
摘要 A rubber composition for a tire, in particular for a tread rubber part of a studless tire, comprising: diene rubber component consisting of natural rubber and/or other diene rubber; powder of hydrophilic modified cellulose amounting 0.1-30 mass parts relative to 100 mass parts of the diene rubber component. In preferred embodiments, the hydrophilic modified cellulose has degree of etherification in a range of 0.2-1.0 and its powder has average particle size in a range of 20 μm to 100 μm.
申请公布号 US8980980(B2) 申请公布日期 2015.03.17
申请号 US201213365849 申请日期 2012.02.03
申请人 Toyo Tire & Rubber Co., Ltd. 发明人 Tochika Shinya
分类号 B60C1/00;C08L21/00;C08L7/00;C08L1/02 主分类号 B60C1/00
代理机构 Westerman, Hattori, Daniels & Adrian, LLP 代理人 Westerman, Hattori, Daniels & Adrian, LLP
主权项 1. A rubber composition for tire comprising: a diene rubber component consisting of natural rubber and/or other diene rubber; and a powder of carboxymethyl cellulose having a degree of etherification in the range of 0.1 to 0.8, wherein the amount of the powder of carboxymethyl cellulose is in the range of 0.1-30 mass parts relative to 100 mass parts of the diene rubber component, and the powder of carboxymethyl cellulose retains a fiber form that is derived from cellulose raw material.
地址 Osaka-shi JP