| abstract |
The rubber reinforcing wire (12) of the present invention includes at least one strand. The strand includes at least one tow and a coating provided so as to cover at least a part of the surface of the tow. The coating film contains a rubber component, an isocyanate compound, a bismaleimide-based compound, carbon black, and a rubber-modified epoxy resin, and the rubber component contains a rubber component selected from the group consisting of carboxyl-modified nitrile rubber and carboxyl-modified hydrogenated nitrile rubber. at least any of the . In the coating film, with respect to 100 parts by mass of the rubber component, the isocyanate compound is 10 to 50 parts by mass, the bismaleimide compound is 5 to 25 parts by mass, the carbon black is 2 to 18 parts by mass, and the rubber modified ring The oxygen resin is 5 to 30% by mass. |