английский => русский Наука Химия; химические науки и технологии металлоценовые катализаторы

...the present invention discloses a bimodai high density polyethylene (HDPE) resin for preparing injection-moulded articles, in particular caps and closures, comprising two polyethylene fractions A and B, prepared in different reactors of two reactors connected in series in the presence of a metallocene-containing catalyst system, wherein the metallocene is ***a bridged bisindenyl metallocene*** and/or bridged bis-tetrahydrogenated indenyl metallocene...

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