Organic support for ethylenepolymerization based on the self-assembly in heptane of end-functionalized polyisoprene
文献信息
发布日期
2010-05-28
DOI
10.1039/C0PY00072H
影响因子
5.582
作者
Jan Merna
查看原文
摘要
In this work, we report how micellar structures obtained by the self-assembly in heptane of polyisoprene end-capped with a hindered tertiary alcohol moiety (PI-φ2OH) can be efficiently used as organic supports for olefin polymerization single-site catalysts. PI-φ2OH has been synthesized by end-capping living polyisoprenyllithium with an excess of benzophenone. Dynamic light scattering analysis indicates a self-assembly of PI-φ2OH in heptane, a good solvent for polyisoprene and a poor one for the polar end-group. The so-formed micelle-like nanoparticles, composed of a di-phenyl alcohol group core and a polyisoprene corona were used as organic supports for catalytic system composed of aluminic activators, trimethylaluminium (TMA) or methylaluminoxane (MAO), and metallocene or post-metallocene catalysts, to produce micrometric polyethylene beads.
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来源期刊
Polymer Chemistry
CiteScore:
8.6
自引率:
7.3%
年发文量:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
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