STEEL CORD-RUBBER COMPOSITE, MANUFACTURING METHOD FOR STEEL CORD-RUBBER COMPOSITE, AND TIRE

WIPO Patent Application WO/2023/095850

A1

The purpose of the present invention is to provide a steel cord-rubber composite that has excellent adhesion between a rubber and a steel cord even when the amount of cobalt used is low.　In order to achieve the above-described purpose, the present invention provides a steel cord-rubber composite that is formed by adhering a rubber and a steel cord having one or a plurality of steel filaments on which a plating layer including copper, zinc, and cobalt is formed. The steel cord-rubber composite is characterized in that a rubber composition forming the rubber contains a rubber component and an amine anti-aging agent represented by general formula (1) [in the formula, each of R1 and R2 independently represents a monovalent saturated hydrocarbon group] and satisfies expressions (I) and (II).　(I): A ≥ 40, (II): 8 ≤ A/B ≤ 700

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ONOUE SHINGO (JP)
SAITO KOSUKE (JP)

PCT/JP2022/043429

June 01, 2023

November 24, 2022

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BRIDGESTONE CORP (JP)

D07B1/16; B60C1/00; B60C9/00; D07B1/06

WO2016203886A1

2016-12-22

JP2020045408A

2020-03-26

SUGIMURA Kenji (JP)

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