Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1995-09-26
1997-03-11
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524493, 524495, 524496, C08K 300
Patent
active
056102216
ABSTRACT:
Cured tread rubber compositions of tires contain cured organic rubber, from 40 to 150 phr of reinforcing carbon black, and reinforcing reinforced amorphous precipitated silica wherein the silica has a surface area of from 160 to 340 m.sup.2 /g and a pore diameter at the maximum of the volume pore size distribution function of from 5 to 19 nm. The presence of such reinforcing silica provides improved tire performance characteristics, especially improved paved highway performance, to tires having treads of the cured tread rubber compositions.
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S. Futamura, "Effect of Material Properties on Tire Performance Characteristics--Part II, Tread Material.sup.2 " presented at the sixth annual meeting of the Tire Society at The University of Akron, Akron, OH, Mar. 24-25, pp. 2-12.
Evans Larry R.
Krivak Thomas G.
Waddell Walter H.
Cain Edward J.
Morris George D.
PPG Industries Inc.
Stein Irwin M.
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