Effect of co-catalyst system on α-olefin polymerization with rac- And meso-[dimethylsilylenebis(2,3,5-trimethylcyclopentadienyl)]zirconium dichloride

Naofumi Naga, Kooji Mizunuma

研究成果: Article

17 引用 (Scopus)

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Propene, 1-butene and 1-hexene polymerization was conducted with a mixture of rac- and meso-[dimethylsilylenebis((2,3,5-tetramethyl-cyclopentadienyl)]zirconium dichloride (Me2Si(2,3,5-Me3Cp)2ZrCl2) (1) combined with methylaluminoxane (MAO), triethylaluminium (AlEt3)/triphenylcarbenium tetrakis(pentafluorophenyl)borate (Ph3CB(C6F5)4) (2) and triisobutylaluminium (AliBu3)/Ph3CB(C6F5)4, respectively, as co-catalyst systems. The ratios of polymerization rates Rp(rac)/Rp(meso) were changed with the combined cocatalysts. It was found that in the case of using trialkylaluminium/2 as co-catalyst Rp(rac)/Rp(meso) is lower than when using MAO in any kind of α-olefin polymerization.

元の言語English
ページ(範囲)581-589
ページ数9
ジャーナルMacromolecular Rapid Communications
18
発行部数7
DOI
出版物ステータスPublished - 1997 7
外部発表Yes

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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