Title:
STEEL CORD-RUBBER COMPOSITE AND TIRE
Document Type and Number:
WIPO Patent Application WO/2023/095812
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a steel cord-rubber composite that demonstrates excellent adhesiveness between rubber and a steel cord even when the amount of cobalt used is small. In order to achieve the foregoing, the present invention provides a steel cord-rubber composite that is obtained by covering a steel cord having one or multiple steel wires with a rubber composition, the steel cord-rubber composite being characterized: in that the rubber composition contains a rubber component and an amine antioxidant represented by general formula (1) [in the formula, R1 and R2 are each independently a monovalent saturated hydrocarbon group]; and that as measured by an X-ray photoemission spectroscopy (XPS) method, the steel wire has, on the top surface thereof, a brass plating layer including 0.3-1.7 at% of phosphorus, 2.5-14 at% of zinc, and 0.01-2.0 at% of a metal having an ionization tendency that is smaller than that of zinc but greater than that of copper.
Inventors:
KANEDA KAZUNORI (JP)
ONOUE SHINGO (JP)
SAITO KOSUKE (JP)
ONOUE SHINGO (JP)
SAITO KOSUKE (JP)
Application Number:
PCT/JP2022/043250
Publication Date:
June 01, 2023
Filing Date:
November 22, 2022
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
D07B1/06; B60C1/00; B60C9/00; D07B1/16
Domestic Patent References:
| WO2011030547A1 | 2011-03-17 |
Foreign References:
| JP2020045408A | 2020-03-26 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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