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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
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
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.
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