Patent ID: 8859653
Filing Date: 2014-10-14
Classification: B60C,C08K,D07B

Abstract:
1. A rubber-steel cord composite characterized in that a steel cord which has a brass-plated layer on a peripheral surface thereof and in which a content of phosphorus contained in the form of oxide in a wire surface layer region extending from a surface of the brass-plated layer up to a depth of 5 nm in a wire radial direction toward the inside is 1.5 atomic % or less is adjacent to a rubber composition containing a rubber component comprising 50% by mass or more of natural rubber, 0.3 to 10 parts by mass of sulfur, 0.03 to 3 parts by mass of a cobalt salt of organic acid in terms of a cobalt amount and 0.1 to 10 parts by mass of a sulfenamide base vulcanization accelerator represented by the following Formula (I) based on 100 parts by mass of the rubber component: wherein R