To provide a copolymer that can express high durability and sufficiently low heat-generating properties.SOLUTION: A modified copolymer has conjugated diene units, non-conjugated olefin units and aromatic vinyl units, the copolymer being free of butylene units. The aromatic vinyl units include alkyl styrene units. The aromatic vinyl units each have a modifying group having a carbonyl moiety (-C(=O)-) and/or a thiocarbonyl moiety (-C(=S)-) bonded thereto.SELECTED DRAWING: None
【課題】高い耐久性とともに、優れた低発熱性を発現し得る共重合体を提供する。【解決手段】共役ジエン単位、非共役オレフィン単位及び芳香族ビニル単位を有し、ブチレン単位を有さない共重合体である変性共重合体であって、前記芳香族ビニル単位は、アルキルスチレン単位を含み、前記芳香族ビニル単位に、カルボニル部分(-C(=O)-)及びチオカルボニル部分(-C(=S)-)の少なくともいずれかを備える変性基が結合している、ことを特徴とする、変性共重合体。【選択図】なし
MODIFIED COPOLYMER, RUBBER COMPOSITION, RESIN COMPOSITION, TIRE AND RESIN ARTICLE
変性共重合体、ゴム組成物、樹脂組成物、タイヤ及び樹脂物品
2022-06-23
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 / 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 |
COPOLYMER, RUBBER COMPOSITION, RESIN COMPOSITION, TIRE AND RESIN PRODUCT
European Patent Office | 2019
|COPOLYMER, RUBBER COMPOSITION, RESIN COMPOSITION, TIRE AND RESIN PRODUCT
European Patent Office | 2021
|COPOLYMER, RUBBER COMPOSITION, RESIN COMPOSITION, TIRE, AND RESIN PRODUCT
European Patent Office | 2019
|MODIFIED MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, RESIN COMPOSITION, TIRE AND RESIN PRODUCT
European Patent Office | 2022
|Copolymer, rubber composition, resin composition, tire and resin product
European Patent Office | 2022
|