C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/4115, 400/49
C08K 5/54 (2006.01) C08K 3/30 (2006.01) C08K 5/548 (2006.01) C08L 9/00 (2006.01) C08L 21/00 (2006.01) C08L 23/16 (2006.01) F16G 1/06 (2006.01)
Patent
CA 1144676
FLEXIBLE ENDLESS BELT TRACK Abstract of the Disclosure A flexible endless belt track for a track- driven vehicle said belt track having an outer ground- contacting surface to provide traction and an opposite inner surface which is adapted for moving contact with rigid elements of the vehicle drive means and the belt track supporting means, said inner surface including at least one surface portion of elastomeric material com- prised of at least one vulcanized rubbery composition, said rubbery composition comprised of (A) from about 10 to about 35 parts of at least one polybutadiene polymer having a total 1,4 content of from about 80% to 100%, a cis 1,4 content of at least 10% and a combined cis 1,4 plus 1,2 content of at least 30% and (B) from about 65 to about 95 parts of two different rubbery polymer, said rubbery composition containing by weight per 100 parts of (A) plus (B), 10 to 35 parts of molybdenum disulfide and 3 to 7 parts of a mercaptosilicone or a mercaptosilane, said surface portion being adapted to come into direct moving contact with said rigid elements.
329841
Martin Billy P.
Vanis Vernon V.
Sim & Mcburney
The Goodyear Tire & Rubber Company
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