B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
18/129, 402/142,
B60C 1/00 (2006.01) B29D 30/06 (2006.01) C08G 18/10 (2006.01)
Patent
CA 1091386
ABSTRACT OF THE DISCLOSURE A cordless vehicle tire of an elastomeric poly- urethane sidewall adhered to a tread of an elastomeric ethylene/propylene/non-conjugated diene polymer wherein the polyurothane is the product of reacting an organic diisocyanate with a poly(alkylene oxide) glycol to prepare an isocyanato-terminated prepolymer cured by reaction with methylene dianiline introduced into the prepolymer in the form of a complex with salts of the group sodium chloride, sodium bromide, sodium iodide, sodium nitrite, lithium chloride, lithium bromide, lithium iodide, lithium nitrite or sodium cyanide, said methylene dianiline being liberated from said complex by heating the mixture of prepolymer con- taining complex, and a process for producing such tires.
255668
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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