PROBLEM TO BE SOLVED: To provide: a modified farnesene polymer and production method therefor that can suppress the heat evolution due to the friction between the fillers, and that can improve the elastic modulus; also a rubber composition containing the modified farnesene polymer, and in which the crosslinked product thereof exhibits excellent hardness, mechanical strength, elastic modulus, and wear resistance; and furthermore a tire having excellent steering stability resulting from the high hardness, and excellent rolling resistance performance, by using the rubber composition at least in a part.SOLUTION: There is provided a modified farnesene polymer comprising one or more of functional group selected from dicarboxylic acid structure (a1), dicarboxylic acid monoester structure (a2), dicarboxylic acid monoamide structure (a3), and carboxylic acid anhydride structure (a4), and in which the total of the (a1) to (a3) per the total of the (a1) to (a4) is 80 mol% or more.SELECTED DRAWING: None
【課題】フィラー間の摩擦に伴う発熱を抑制することができ、また弾性率を向上することができる変性ファルネセン重合体、及びその製造方法を提供する。また、前記変性ファルネセン重合体を含有するゴム組成物であって、その架橋物が優れた硬度、機械強度、弾性率及び耐摩耗性を示すゴム組成物を提供する。更に、前記ゴム組成物を少なくとも一部に用い、高硬度に起因する優れた操縦安定性、及び優れた転がり抵抗性能を有するタイヤを提供する。【解決手段】ジカルボン酸構造(a1)、ジカルボン酸モノエステル構造(a2)、ジカルボン酸モノアミド構造(a3)及び無水カルボン酸構造(a4)から選ばれる1種以上の官能基を有する変性ファルネセン重合体であって、前記(a1)〜(a3)の全量が前記(a1)〜(a4)の全量に対して80mol%以上である変性ファルネセン重合体。【選択図】なし
MODIFIED FARNESENE POLYMER, PRODUCTION METHOD THEREFOR, RUBBER COMPOSITION, AND TIRE
変性ファルネセン重合体、及びその製造方法、ゴム組成物、並びにタイヤ
2016-03-22
Patent
Elektronische Ressource
Japanisch
IPC: | C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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