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US 11,932,738 B2Granted
Rubber-reinforcing cord and rubber product using same
AssigneeNippon Sheet Glass Co., Ltd.
InventorTatsuya Yamaguchi
Life of this patent
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Abstract
A rubber-reinforcing cord of the present invention is a rubber-reinforcing cord for reinforcing a rubber product. The rubber-reinforcing cord includes at least one strand. The strand includes at least one filament bundle and a coating provided to cover at least a portion of a surface of the filament bundle. The coating includes a rubber component and a crosslinking agent. The crosslinking agent includes two or more isocyanate compounds.
Claims10
A rubber-reinforcing cord for reinforcing a rubber product, the rubber-reinforcing cord comprising:
- at least one strand, wherein
- the strand comprises at least one filament bundle and a coating provided to cover at least a portion of a surface of the filament bundle,
- the coating comprises a rubber component and a crosslinking agent, and
- the crosslinking agent comprises two or more isocyanate compounds,
- wherein the two or more isocyanate compounds comprise at least one selected from the group consisting of a blocked isocyanate and a diisocyanate,
- wherein the coating is free of a resorcinol-formaldehyde condensate,
- wherein the two or more isocyanate compounds comprise a first blocked isocyanate and a second blocked isocyanate having a different dissociation temperature from the first blocked isocyanate, and
- wherein a difference in the dissociation temperature of the first blocked isocyanate and the second blocked isocyanate is 10° C. or more.
5 more elements
Dependencies are inferred from the claim text.