PROBLEM TO BE SOLVED: To provide a crosslinkable rubber composition excellent in processability and capable of providing a rubber crosslinked article excellent in tensile strength, breakage elongation, low heat generation property and wet grip property.SOLUTION: There is provided a crosslinkable rubber composition by mixing a modified conjugated diene polymer (A) and a polyfunctional compound exhibiting heat reversibility (B) and sulfur (C), where the modified conjugated diene polymer (A) has a heat reversible binding group and percentage content of the heat reversible binding group is 0.01 to less than 1 mol based on 100 mol of a conjugated diene monomer unit contained in the modified conjugated diene polymer.SELECTED DRAWING: None
【課題】加工性に優れ、かつ、引張強度、破断伸び、低発熱性およびウエットグリップ性に優れたゴム架橋物を与えることのできる架橋性ゴム組成物の提供。【解決手段】変性共役ジエン系重合体(A)と、多官能性の熱可逆性を示す化合物(B)と、硫黄(C)とを混合してなる架橋性ゴム組成物であって、変性共役ジエン系重合体(A)が、熱可逆性結合基を有し、変性共役ジエン系重合体(A)に含有されている共役ジエン単量体単位100モルに対する、熱可逆性結合基の含有割合が、0.01〜1モル未満である架橋性ゴム組成物。【選択図】なし
CROSSLINKABLE RUBBER COMPOSITION
架橋性ゴム組成物
2017-02-23
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 |