To provide a rubber composition for an exhaust mount that has excellent durability and thermal aging resistance in a high-temperature atmosphere, and excellent thermal settling resistance, and that is superior in also durability after thermal aging, and to provide an exhaust mount.SOLUTION: A molded body 1 of an exhaust mount composed of a rubber elastic body is provided with a vehicle body-side fitting hole 2A and an exhaust pipe-side fitting hole 2B for vibration-dampingly supporting the exhaust pipe in a suspended state with respect to a vehicle body. The molded body uses a rubber composition for an exhaust mount in which an ethylene-α-olefin-non-conjugated polyene copolymer is used as a main rubber component, and which contains an organic peroxide, silicone oil, and a benzimidazole-based antioxidant in a specific ratio.SELECTED DRAWING: Figure 1

    【課題】高温雰囲気下の耐久性と耐熱老化性,耐熱へたり性に優れ、さらに熱老化後の耐久性にも優れるエキゾーストマウント用ゴム組成物およびエキゾーストマウントを提供する。【解決手段】車体に対して排気管を吊下状態で防振支持する車体側取付孔2A,排気管側取付孔2Bが設けられたゴム弾性体からなるエキゾーストマウントの成形体1において、エチレン・α-オレフィン・非共役ポリエン共重合体を主ゴム成分とし、有機過酸化物、シリコーンオイル、ベンズイミダゾール系老化防止剤を、特定の割合で含有するエキゾーストマウント用ゴム組成物を用いる。【選択図】図1


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    Title :

    RUBBER COMPOSITION FOR EXHAUST MOUNT, AND EXHAUST MOUNT


    Additional title:

    エキゾーストマウント用ゴム組成物およびエキゾーストマウント


    Contributors:

    Publication date :

    2025-04-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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