Novel bead foams

The present invention relates to a process for producing a thermoplastic polyurethane, at least comprising the converting of at least one isocyanate composition (ZI) comprising an isocyanate (I1) selected from the group consisting of naphthylene 1,5-diisocyanate (NDI), diphenylmethane 4,4'-diis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MICKLITZ, WOLFGANG GUENTER, KEPPELER, UWE, KEMPFERT, DIRK, TEPPER, CHRISTINA, PRISSOK, FRANK, SCHMIDT, LISA MARIE, POESELT, ELMAR
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention relates to a process for producing a thermoplastic polyurethane, at least comprising the converting of at least one isocyanate composition (ZI) comprising an isocyanate (I1) selected from the group consisting of naphthylene 1,5-diisocyanate (NDI), diphenylmethane 4,4'-diisocyanate (MDI), p-phenyl diisocyanate (PPDI) and o-tolidine diisocyanate (TODI), ethylene diphenyl diisocyanate (EDI) or mixtures thereof and a polyol composition (ZP) comprising a polytetrahydrofuran or a derivative thereof to obtain a prepolymer having isocyanate groups, and the reacting of the resulting prepolymer with at least one chain extender (KV). The present invention further relates to a thermoplastic polyurethane obtained or obtainable by such a process, and to a foamed pellet material comprising such a thermoplastic polyurethane. The present invention further encompasses the use of a foamed pellet material of the invention for production of a molded article.