Patent ID: 7943693
Filing Date: 2011-05-17
Classification: C08K,Y02T

Abstract:
1. An elastomeric composition which is comprised of (1) a rubbery polymer which is comprised of repeat units which are derived from at least one conjugated diolefin monomer, (2) a silica coupling agent, and (3) a surface metalated siliceous filler, wherein the surface metalated siliceous filler is metalated with a mixture of catalytically active metals selected from the group consisting of titanium, zirconium, niobium, tantalum, hafnium, nickel, cooper, tin, zinc, cobalt, antimony, manganese, chromium, vanadium, molybdenum, and iron, and wherein titanium is present in the mixture of catalytically active metals at a level of at least 80 mole percent.