MIXTURE OF SULFUR-CONTAINING COMPOUND AND RUBBER COMPOSITION

• Main Authors: ASHIURA MAKOTO, CHINO KEISUKE, MATSUO YUSUKE
• Format: Patent
• Language: English; Japanese
• Published: 28.12.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLE TYRES; VEHICLES IN GENERAL

To provide a mixture of a sulfur-containing compound that can yield a rubber composition having excellent reversion resistance, heat-aging resistance and over-cure resistance.SOLUTION: The mixture of sulfur-containing compound of the present invention contains a sulfur-containing monomer represented by the following formula (1) and a sulfur-containing dimer in which two molecules of the sulfur-containing monomer are bonded via sulfur, and in which the content ratio of the sulfur-containing monomer to the sulfur-containing dimer is 0.30 or more and 0.85 or less.SELECTED DRAWING: Figure 1 【課題】耐リバージョン性、耐熱老化性および耐オーバーキュア性に優れるゴム組成物を得られる硫黄含有化合物の混合物の提供。【解決手段】本発明の硫黄含有化合物の混合物は、下記式（１）：TIFF2023184176000059.tif64166で表される硫黄含有単量体と、前記硫黄含有単量体の二分子が硫黄を介して結合した硫黄含有二量体とを含み、前記硫黄含有単量体の前記硫黄含有二量体に対する含有比が、０．３０以上０．８５以下である。【選択図】図１