To provide a polymer excellent in crack growth resistance.SOLUTION: Provided is a modified conjugated diene-based polymer, the polymer having at least a conjugated diene unit, and having three or more modified groups represented by -SO3M1/n (M is a metal atom, and n is an integer selected from 1 to 4 in terms of the valence that the M can take as a cation) in one molecule of the polymer.SELECTED DRAWING: None
【課題】耐亀裂成長性に優れる重合体を提供する。【解決手段】共役ジエン単位を少なくとも有する重合体であり、当該重合体一分子中に、-SO3M1/n(Mは、金属原子であり、nは、前記Mがカチオンとして取り得る価数で1~4の整数から選択される)で表される変性基を3個以上備えることを特徴とする、変性共役ジエン系重合体である。【選択図】なし
MODIFIED CONJUGATED DIENE-BASED POLYMER, RUBBER COMPOSITION, AND TIRE
変性共役ジエン系重合体、ゴム組成物、及びタイヤ
2023-02-01
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 / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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