To provide a rubber composition excellent in abrasion resistance and a manufacturing method therefor, and a method for evaluating abrasion resistance of the rubber composition at high accuracy.SOLUTION: There is related a rubber composition having a relationship between maximum value Ξof correlation length Ξof 10 nm to 100 μm obtained by curve fitting with a specific formula to a scattering intensity curve Iobtained by conducting an X ray scattering measurement or a neutron scattering measurement in a specific region, and standard deviation of the maximum value Ξof σ≤Ξ/2, and filler partition index D obtained by a specific formula of 2 or less.SELECTED DRAWING: None
【課題】耐摩耗性に優れたゴム組成物及びその製造方法、並びに、ゴム組成物の耐摩耗性を高精度に評価できる方法を提供する。【解決手段】特定の領域において、X線散乱測定又は中性子散乱測定を実施することにより得られた散乱強度曲線I(q)に対し、特定の式でカーブフィッティングして得られる10nm〜100μmの相関長Ξiの最大値Ξcと、該最大値Ξcの標準偏差σcとの関係がσc≦Ξc/2であり、特定の式で得られるフィラー分配性指標Dが2以下であるゴム組成物に関する。【選択図】なし
RUBBER COMPOSITION AND MANUFACTURING METHOD THEREFOR, AND METHOD FOR EVALUATING ABRASION RESISTANCE OF THE RUBBER COMPOSITION
ゴム組成物及びその製造方法、並びにゴム組成物の耐摩耗性を評価する方法
2019-03-22
Patent
Elektronische Ressource
Japanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES |
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