To provide a crosslinking rubber composition that prevents the crosslinking time from increasing and that can give a crosslinked product having excellent tensile modulus, tear strength and abrasion resistance.SOLUTION: The crosslinking rubber composition contains: 100 pts.mass of a rubber polymer (A) having an iodine value of 10 to 250 (g/100 g) and comprising 3 mass% or more of an ethylene structure, and less than 10 mass% of a vinyl aromatic monomer block; 0.1 to 5.0 pts.mass of sulfur (B); 0.1 to 5.0 pts.mass of a radical generator (C); and 0.1 to 5.0 pts.mass of a vulcanization accelerator (D).SELECTED DRAWING: None
【課題】架橋時間が長くなり難く、得られる架橋体が優れた引張モデュラス、引裂き強度、及び耐摩耗性を有する架橋用ゴム組成物を得る。【解決手段】ヨウ素価が10~250(g/100g)であり、エチレン構造≧3質量%であり、ビニル芳香族単量体ブロック<10質量%であるゴム状重合体(A)を100質量部と、硫黄(B)を0.1~5.0質量部と、ラジカル発生剤(C)を0.1~5.0質量部と、加硫促進剤(D)を0.1~5.0質量部と、を、含有する、架橋用ゴム組成物。【選択図】なし
CROSSLINKING RUBBER COMPOSITION, METHOD FOR PRODUCING CROSSLINKED RUBBER, AND TREAD FOR TIRE
架橋用ゴム組成物、架橋ゴムの製造方法、及びタイヤ用トレッド
2022-04-28
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
CROSSLINKING RUBBER COMPOSITION, METHOD FOR PRODUCING CROSSLINKED RUBBER, AND TREAD FOR TIRE
European Patent Office | 2023
|European Patent Office | 2021
|European Patent Office | 2021
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