Processing method for synthetic rubbers

A method of preparing synthetic rubbers having improved green strength and improved processing characteristics wherein a portion of the monomer is contacted with a catalyst imparting a cis-1,4 configuration and subsequently contacting the remaining portion of the monomer with a catalyst capable of i...

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Bibliographische Detailangaben
Hauptverfasser:	SCHOENBERG, EMANUEL, HANLON, THOMAS L
Format:	Patent
Sprache:	eng
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:	A method of preparing synthetic rubbers having improved green strength and improved processing characteristics wherein a portion of the monomer is contacted with a catalyst imparting a cis-1,4 configuration and subsequently contacting the remaining portion of the monomer with a catalyst capable of imparting a trans-1,4 configuration.