NDLI: Organic support for ethylene polymerization based on the self-assembly in heptane of end-functionalized polyisoprene

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Polymer Chemistry Vol - 1 Issue - 6

Polymer Chemistry Vol - 1 Issue - 5

Polymer Chemistry Vol - 1 Issue - 4

Polymer Chemistry Vol - 1 Issue - 3

Polymer Chemistry Vol - 1 Issue - 2

Organic support for ethylene polymerization based on the self-assembly in heptane of end-functionalized polyisoprene

Content Provider	Royal Society of Chemistry (RSC)
Author	Heurtefeu, Bertrand Cramail, Henri Merna, Jan Cloutet, Éric Ibarboure, Emmanuel
Copyright Year	2010
Abstract	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.
Starting Page	1078
Ending Page	1085
Page Count	8
File Format	HTM / HTML PDF
ISSN	17599954
Volume Number	1
Issue Number	7
Journal	Polymer Chemistry
DOI	10.1039/c0py00072h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	End-group Polyethylene Methylaluminoxane Micelle Polymerization TMA Trimethylaluminium Heptane Metallocene Benzophenone Self-assembly Alkene Dynamic light scattering Corona Solvent Isoprene Trimethoxyamphetamine
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry Bioengineering Biomedical Engineering Polymers and Plastics

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