NOVEL BLOCK COPOLYMERS AND METHOD FOR MAKING SAME

The present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mon...

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Bibliographische Detailangaben
Hauptverfasser:	SERPICO, JOSEPH, M, EHRENBERG, SCOTT, G, CAO, LIWEI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON 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 present invention is a novel block copolymer containing a controlled distribution copolymer block of a conjugated diene and a mono alkenyl arene, where the controlled distribution copolymer block has terminal regions that are rich in conjugated diene units and a center region that is rich in mono alkenyl arene units. Also disclosed is a method for manufacture of the block copolymer. La présente invention porte sur un nouveau copolymère bloc contenant un bloc copolymère à distribution régulée d'un diène conjugué et d'un arène mono alcényle, ce bloc copolymère à distribution régulée possédant des régions terminales riches en motifs diènes conjugués et une région centrale riche en motifs d'arène mono alcényle. L'invention porte également sur un procédé de fabrication de ce copolymère bloc.