To provide a multicomponent copolymer that is excellent in low heat generation and is capable of improving roll processability of a rubber composition.SOLUTION: The multicomponent copolymer of the present invention contains a conjugated diene unit, a non-conjugated olefin unit and an aromatic vinyl unit, wherein, less than 50% of all the aromatic vinyl units is present in an amorphous portion including the conjugated diene units.SELECTED DRAWING: None
【課題】低発熱性に優れる上、ゴム組成物のロール加工性を向上させることができる多元共重合体を提供する。【解決手段】多元共重合体は、共役ジエン単位と、非共役オレフィン単位と、芳香族ビニル単位とを有し、前記芳香族ビニル単位全体のうち、前記共役ジエン単位を含む非結晶部分に存在するものの割合が50%未満であることを特徴とする。【選択図】なし
MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, AND RUBBER ARTICLE
多元共重合体、ゴム組成物、架橋ゴム組成物及びゴム物品
2021-05-13
Patent
Electronic Resource
Japanese
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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
Multi-component copolymer, rubber composition, crosslinked rubber composition and rubber article
European Patent Office | 2021
|Multi-component copolymer, rubber composition, crosslinked rubber composition and rubber article
European Patent Office | 2020
|MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION AND RUBBER ARTICLE
European Patent Office | 2018
|MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, AND RUBBER ARTICLE
European Patent Office | 2017
|Multi-component copolymer, rubber composition, crosslinked rubber composition and rubber article
European Patent Office | 2020
|