PROBLEM TO BE SOLVED: To provide a rubber component having good workability and durability equal to that of natural rubber.SOLUTION: There is provided a rubber component which comprises a polyisoprene containing 10 to 40 mass% of a polyisoprene polymer having a weight-average molecular weight in terms of polystyrene measured by gel permeation chromatography of 6000000 or more and 5 to 30 mass% of a polyisoprene polymer having a weight-average molecular weight in terms of polystyrene measured by gel permeation chromatography of 800000 or less.
【課題】作業性が良好で、かつ天然ゴムに遜色のない耐久性を有するゴム成分を提供すること。【解決手段】ゲルパーミエーションクロマトグラフィー測定によるポリスチレン換算の重量平均分子量が6,000,000以上のポリイソプレン重合体を10質量%〜40質量%含み、且つ、ゲルパーミエーションクロマトグラフィー測定によるポリスチレン換算の重量平均分子量が800,000以下のポリイソプレン重合体を5質量%〜30質量%含むポリイソプレンを含むゴム成分。【選択図】なし
RUBBER COMPONENT, RUBBER COMPOSITION BLENDED WITH RUBBER COMPONENT AND TIRE USING THE RUBBER COMPOSITION
ゴム成分、ゴム成分が配合されたゴム組成物、及び該ゴム組成物を用いたタイヤ
2016-01-12
Patent
Elektronische Ressource
Japanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / 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 |
Europäisches Patentamt | 2017
|Europäisches Patentamt | 2017
|Europäisches Patentamt | 2017
|Europäisches Patentamt | 2021
|Europäisches Patentamt | 2020
|