Broadening molecular weight polyethylene distribution by tailoring the silica surface environment on supported metallocenes
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- 作者：Eliana Galland Barreraa ; Fernanda C. Stedilea ; Rodrigo Brambillab ; Joã ; o H.Z. dos Santosa ; jhzds@iq.ufrgs.br" class="auth_mail" title="E-mail the corresponding author
- 关键词：Supported metallocene ; Organosilane ; Sol-gel ; Bimodal polyethylene
- 刊名：Applied Surface Science
- 出版年：2017
- 出版时间：30 January 2017
- 年：2017
- 卷：393
- 期：Complete
- 页码：357-363
- 全文大小：1931 K
文摘
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A variety of ligands were used to functionalize silica based supports.
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A metallocene is immobilized on hybrid silica containing different ligands.
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The environment of active catalytic site is influenced by ligand effect.
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Ligand on silica surface can control molecular weight distribution of polyethylene.