Amulticomponent copolymer according to the present invention contains a non-conjugated polyene unit, a non-conjugated olefin unit and an aromatic vinyl unit, wherein the content of the aromatic vinyl unit is 5% by mass or more and less than 30% by mass. A crosslinked rubber composition having a high strength, as compared with the case where EPDM is used, while having high weather resistance, a multicomponent copolymer useful for producing a rubber product, and a method for producing the multicomponent copolymer are provided.
MULTI-COPOLYMER, RUBBER COMPOSITION, CROSS-LINKED RUBBER COMPOSITION, RUBBER ARTICLE, AND TIRE
MULTI-COPOLYMER, KAUTSCHUKZUSAMMENSETZUNG, VERNETZTE KAUTSCHUKZUSAMMENSETZUNG, KAUTSCHUKARTIKEL UND REIFEN
MULTI-COPOLYMÈRE, COMPOSITION DE CAOUTCHOUC, COMPOSITION DE CAOUTCHOUC RÉTICULÉ, ARTICLE EN CAOUTCHOUC ET PNEU
2021-07-21
Patent
Elektronische Ressource
Englisch
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