Ring opening polymerization of mono-olefin ring compounds

A monomer containing a strained olefin ring such as cyclobutene or cyclopropene is polymerized by forming a complex of the monomer and Cp2TiCH2-(Cp is eta 5-C5H5) and heating the complex in the presence of excess monomer to above the decomposition point. A controlled, selective opening of the ring w...

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Bibliographische Detailangaben
Hauptverfasser:	GILLIOM, LAURA R, GRUBBS, ROBERT H
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A monomer containing a strained olefin ring such as cyclobutene or cyclopropene is polymerized by forming a complex of the monomer and Cp2TiCH2-(Cp is eta 5-C5H5) and heating the complex in the presence of excess monomer to above the decomposition point. A controlled, selective opening of the ring with the strained olefin forms a linear, soluble polymer.