To provide a rubber composition having excellent releasability, and a pneumatic tire and a vulcanization bladder made using the rubber composition.SOLUTION: A rubber composition has a rubber component containing diene rubber, and a magnesium oxide with an apparent specific gravity of less than 0.4 g/ml, and a particle size of integrated value 50% in a mass-based particle size distribution curve of less than 10 μm. In the rubber component 100 mass%, the content of the diene rubber is 70 mass% or more.SELECTED DRAWING: None
ゴム組成物、空気入りタイヤ及び加硫ブラダー
2022-10-12
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
ブチルゴム、その製造方法、ゴム製品、組成物及び応用、並びに、車両用タイヤインナーライナー、インナーチューブ及び加硫ブラダー
European Patent Office | 2021