Resilient tires and wheels – Tires – resilient – Patches
Patent
1981-10-28
1983-08-23
Robinson, Ellis P.
Resilient tires and wheels
Tires, resilient
Patches
138104, 152374, 152DIG12, 156116, 156326, 1563314, 1563317, 428 36, 4284239, 4284246, 4284247, 4284248, F16L 1112, B32B 2504, B32B 2512, B32B 2514
Patent
active
043998526
ABSTRACT:
A process and composition for applying and bonding a curable polymer or prepolymer, for example, an amine curable polymer or prepolymer, at ambient temperatures to the surface of a cured elastomer substrate. The elastomer article or substrate is treated with an organic oxidant such as one selected, for example, from the group consisting of N-halosulfonamides, N-halohydantoins, N-haloamides, N-haloimides, and the various isomers of mono-, di-, and trichloroisocyanuric acid. A composition of a curable polymer or prepolymer is prepared with a curing agent. To the curing agent and curable polymer or prepolymer composition is added a polar solvent which is mixed with the resulting blend or mixture and added to the treated elastomer surface; said polymer or prepolymer cures at ambient temperature and becomes bonded to said elastomer. The application is relatively easy, since the entire mixture is a liquid and can be applied in situ. The invention is particularly suitable for repairing various damaged elastomer articles such as tires (especially off-the-road), conveyor belts, hoses, preparation of caulking or sealing compounds, and especially in bonding tire lugs or tire treads to a tire carcass.
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Kirk-Othmer Encyclo., vol. 20, p. 666, 2nd Edition.
"Room Temp. Vulcanizing Adhesive Based on EPD Terpolymer", Cantor Uniroyal, Paper #18, Div. of Rubber Chem., ACS., Denver, Col. 10-10-73.
Hall Daniel N.
Robinson Ellis P.
The Firestone Tire & Rubber & Company
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