SEARCH Articles Figures Tables 1,5-Hexadiene, polymerization 2.4- Hexadien Catalysts polymerizing Hexadiene Hexadienes 2.3- hexadiene Hexadienes polymerizations Metallocene catalysts Metallocene polymerization Metallocenes polymerization catalysts Polymeric metallocenes Polymerization metallocene catalysts Polymerization, with