Catalyst composition for polymerization, production method of poly isoprene synthetic polyisoprene synthetic

摘要

1 / 1 Summary of polymerization catalyst composition, method of production of poly isoprene synthetic polyisoprene synthetic composition, polymerization catalyst, without the support of excessive gelling, allows the efficient synthesis of polyisoprene with high P This molecular, under industrial conditions, is provided.The composition of the catalyst of polymerization contains: a compound of rare earth element (component (a)) represented by the following general formula (I): m (1) (nq2) (NQ3) u00b7 u00b7 u00b7 (I); at least one (component (b) is selected from an ionic compound. A halogen compound; and a The compound (component (c)) represented by the following general formula (x): yr1ar2br3c u00b7 u00b7 u00b7 (x).