| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition having improved appearance by inhibiting the discoloration of the rubber surface without worsening the effects of improving ozone resistance by an amine-based antioxidant, and having excellent long-term antiaging properties. SOLUTION: The rubber composition contains 0.5-8 pts.mass of the amine-based antioxidant, 0.5-8 pts.mass of a phenol-based compound such as a monophenol compound, a bisphenol compound and a polyphenol compound, and 0.1-40 pts.mass of porous hollow particles having≥50% of porosity such as hollow silica, allophane and hollow carbon based on 100 pts.mass of a rubber component comprising a diene rubber. COPYRIGHT: (C)2011,JPO&INPIT
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