RUBBER COMPOSITION FOR VIBRATION CONTROL DAMPER AND MANUFACTURING METHOD THEREOF, AS WELL AS VIBRATION CONTROL DAMPER

To provide a rubber composition for vibration control damper which exhibits high attenuation and is excellent in stability to repetitive deformation and vibration and its manufacturing method, as well as a vibration control damper.SOLUTION: A rubber composition for a vibration control damper compris...

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Bibliographische Detailangaben
Hauptverfasser: YASUI KAORU, IINUMA REINA, MURATANI KEIICHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a rubber composition for vibration control damper which exhibits high attenuation and is excellent in stability to repetitive deformation and vibration and its manufacturing method, as well as a vibration control damper.SOLUTION: A rubber composition for a vibration control damper comprises a polymer component comprising the following (A) and the following (B) and (C) components, and has a content of the following (D) components relative to 100 pts.mass of the (A) component of 5 pts.mass or smaller, and by the rubber composition for vibration control damper, the problem is solved. (A) A polymer comprising styrene isoprene styrene block polymer as a main component. (B) Silica having BET specific surface area of 350 m2/g or smaller. (C) Calcium carbonate. (D) At least one selected from the group consisting of organic radical scavengers and processing aids.SELECTED DRAWING: None 【課題】高減衰性を示すとともに、繰り返し変形や加振に対する安定性に優れる制震ダンパー用ゴム組成物およびその製造方法、並びに制震ダンパーを提供する。【解決手段】下記の(A)からなるポリマー成分と、下記の(B)および(C)成分とを含有するとともに、(A)成分100重量部に対する下記の(D)成分の含有量の合計が5重量部以下である制震ダンパー用ゴム組成物であって、上記ゴム組成物の貯蔵弾性率が特定の条件を満たす制震ダンパー用ゴム組成物によって、課題を解決する。(A)スチレン−イソプレン−スチレンブロックポリマーを主成分とするポリマー。(B)BET比表面積が350m2/g以下であるシリカ。(C)炭酸カルシウム。(D)有機ラジカル捕捉剤および加工助剤からなる群から選ばれた少なくとも一つ。【選択図】なし