TRANSPARENT THERMOPLASTIC MOLDING MATERIAL

The invention relates to a transparent, thermoplastic moulding composition containing, based on A + B, A 5 to 95% by weight of polystyrene and B 95 to 5% by weight of a non-elastomeric block copolymer with stellate branches, built up from, based on B, b1 60 to 95% by weight of styrene and b2 5 to 40...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YURUGEN POORUTO, HERUMAN GAUZEPOORU, HANSUUMIHAERU WARUTAA, KURAUSU PURONSHIYUTERUTO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a transparent, thermoplastic moulding composition containing, based on A + B, A 5 to 95% by weight of polystyrene and B 95 to 5% by weight of a non-elastomeric block copolymer with stellate branches, built up from, based on B, b1 60 to 95% by weight of styrene and b2 5 to 40% by weight of at least one conjugated diene having 4 or 5 carbon atoms, prepared in a conventional manner by sequential anionic polymerisation by means of at least one organolithium compound as initiator and in the presence of a solvent, with subsequent coupling, characterised in that component A is produced by conventional anionic polymerisation by means of at least one organolithium compound in the presence of an organic solvent. The moulding composition is prepared by conventional mixing of components A and B and, if used, C, and is used for the production of mouldings.