PROBLEM TO BE SOLVED: To provide a rubber composition excellent in wear resistance and a production method of the rubber composition, and a method for highly accurately evaluating wear resistance of a rubber composition.SOLUTION: The rubber composition exhibits such a property that a maximum Ξof a correlation length Ξfrom 10 nm to 100 μm obtained by subjecting a scattering intensity curve Iobtained by X-ray scattering measurement or neutron scattering measurement in a specified region to curve-fitting by use of a specific formula, and a standard deviation σof the maximum Ξhave a relation of σ≤Ξ/2; and the rubber composition includes a rubber component having a glass transition temperature of -20°C or below.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、ガラス転移温度が−20℃以下のゴム成分を含むゴム組成物に関する。【選択図】なし
RUBBER COMPOSITION AND PRODUCTION METHOD OF THE SAME, AND METHOD FOR EVALUATING WEAR RESISTANCE OF 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
2017-12-14
Patent
Elektronische Ressource
Japanisch
Europäisches Patentamt | 2017
|Europäisches Patentamt | 2017
|Europäisches Patentamt | 2019
|High-wear-resistance rubber composition and application thereof
Europäisches Patentamt | 2021
|