[EN] CATALYST SYSTEM CONTAINING A METATHESIS CATALYST AND AT LEAST ONE PHENOLIC COMPOUND AND A PROCESS FOR METATHESIS OF NITRILE-BUTADIENE RUBBER (NBR) USING THE CATALYST SYSTEM<br/>[FR] SYSTÈME CATALYSEUR CONTENANT UN CATALYSEUR DE MÉTATHÈSE ET AU MOINS UN COMPOSÉ PHÉNOLIQUE ET PROCÉDÉ DE MÉTATHÈSE DE CAOUTCHOUC NITRILE-BUTADIÈNE (NBR) À L'AIDE DU SYSTÈME CATALYSEUR
申请人:ARLANXEO DEUTSCHLAND GMBH
公开号:WO2020120207A2
公开(公告)日:2020-06-18
The present invention relates to a catalyst system containing a metathesis catalyst containing at least one N-heterocyclic carbene ligand and at least one phenolic compound and to a process for performing the metathesis on nitrile rubbers for reducing their molecular weight using a metathesis catalyst containing at least one N-heterocyclic carbene ligand (NHC ligand) and at least one phenolic compound.