Tread rubber composition and pneumatic tire employing the same.U.S. patent: 7,211,612 Issued: May 1, 2007 Inventor: Naohiko Kikuchi Assigned: Sumitomo Rubber Industries Sumitomo Rubber Industries, Ltd. (住友ゴム工業株式会社 Key statement: A tread robber composition improved both in grip performance on ice-covered and snow-covered road surfaces and in abrasion abrasion /abra·sion/ (ah-bra´zhun) 1. a rubbing or scraping off through unusual or abnormal action; see also planing. 2. a rubbed or scraped area on skin or mucous membrane. resistance is provided. The tread rubber composition contains aluminum hydroxide aluminum hydroxide, n brand names: AlternaGEL, Alu-Cap, Alu-Tab, Amphojel, Dialume; drug class: antacid; action: neutralizes gastric acidity, binds phosphates in GI tract; uses: having an untamped density of not more than 0.60 g/cm.sup.3, a DOP DOP In currencies, this is the abbreviation for the Dominican Republic Peso. Notes: The currency market, also known as the Foreign Exchange market, is the largest financial market in the world, with a daily average volume of over US $1 trillion. oil absorption of at least 70 cm.sup.3/100 g and less than 250 cm.sup.3/100 g, and a BET specific surface area of at least 30 m.sup.2/g and not more than 350 m.sup.2/g in an amount of 560 parts by weight with respect to 100 parts by weight of a rubber component containing at least 50% by weight of at least one of polyisoprene rubber and polybutadiene rubber. The tread rubber composition has a tan delta peak temperature of not more than--45[degrees]C. and a type A durometer hardness at 0[degrees]C. of not more than 64. |
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