END-CAPPED POLYMER CHAINS, GRAFT AND STAR COPOLYMERS, AND PROCESS OF MAKING SAME

Ziegler-Natta catalyzed polymer chains are end capped with at least one functional group-containing unit which is otherwise essentially absent from said polymer chain. The chains can be grafted to form graft copolymers and star copolymers. The compositions are useful as oil additives and in general...

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Bibliographische Detailangaben
Hauptverfasser:	GARY WILLIAM VERSTRATE, CHARLES COZEWITH
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS FUELS LUBRICANTS LUBRICATING COMPOSITIONS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	Ziegler-Natta catalyzed polymer chains are end capped with at least one functional group-containing unit which is otherwise essentially absent from said polymer chain. The chains can be grafted to form graft copolymers and star copolymers. The compositions are useful as oil additives and in general purpose elastomer as well as thermoplastic polymer compositions.