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公开(公告)号：EP0686174B1
公开(公告)日：1998-07-29
申请号：EP94910210.7
申请日：1994-02-23
申请人： CABOT CORPORATION
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公开(公告)号：EP0686174A1
公开(公告)日：1995-12-13
申请号：EP94910210.0
申请日：1994-02-23
申请人： CABOT CORPORATION
发明人： SHIEH, Chiung-Huei , FARR, William, A. , MC ELWAIN, Thomas, E. , TAYLOR, Roscoe, W. , PATTERSON, William, J. , DENSTAEDT, Glenn, E. , JUENGEL, Robert, R. , LAUBE, Stephen, G.
摘要： Carbon blacks having a CTAB of greater than, or equal to, 140 m2/g; a CDBP of greater than or equal to 115 cc/100g; a Tint value of greater than or equal to 135 %; a ΔD50 of less than or equal to 50 nm; a Dmode less than or equal to 72 nm; and an Occluded Volume Index greater than or equal to 1.30 that impart superior treadwear resistance and abrasion resistance to rubber compounds. Preferably, the carbon blacks of the present invention are further characterized by having a N¿2?SA greater than or equal to 150 m?2¿/g, and less than 180 m2/g; and a DBP of greater than or equal to 140 cc/100g. Also disclosed are rubber compounds containing the carbon blacks which exhibit increased abrasion resistance and treadwear resistance at normally utilized loading levels. Further disclosed are rubber compounds containing the carbon blacks which exhibit increased treadwear resistance/hysteresis ratios at loading levels lower than normally utilized in the compounding of tire compounds. All of the rubber compounds may additionally include silica in order to improve traction performance.
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