Improved process for the preparation of polytetrahydrofuran

A process for the preparation of a polytetrahydrofuran, a polytetrahydrofuran copolymer, diesters or monoesters of said polymers by the polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer over a heterogeneous supported catalyst containing sulfate, wherein the h...

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Bibliographische Detailangaben
Hauptverfasser:	PLITZKO, KLAUS-DIETER, BECKER, RAINER, ELLER, KARSTEN, SIGWART, CHRISTOPH
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for the preparation of a polytetrahydrofuran, a polytetrahydrofuran copolymer, diesters or monoesters of said polymers by the polymerization of tetrahydrofuran in the presence of at least one telogen and/or comonomer over a heterogeneous supported catalyst containing sulfate, wherein the heterogeneous supported catalyst containing sulfate contains at least one metal sulfate, metal hydrogensulfate, metal oxysulfate or a mixture thereof.