QUALITY IMPROVEMENT OF ISOBUTENE POLYMER

The processing properties of isobutene polymers when reacted with maleic anhydride are improved by a method in which these polymers are brought into contact, for an effective period, with aluminum oxide and/or a completely or partially hydrated aluminum oxide at 50 DEG -280 DEG C., and/or with boron...

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Bibliographische Detailangaben
Hauptverfasser:	KURAUSU BURONSHIYUTERUTO, HANSU PEETAA RAATO, WARUTOHERUMU HOTSUHOSHIYUTAIN, HANSUUHENINGU FUOOGERU
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:	The processing properties of isobutene polymers when reacted with maleic anhydride are improved by a method in which these polymers are brought into contact, for an effective period, with aluminum oxide and/or a completely or partially hydrated aluminum oxide at 50 DEG -280 DEG C., and/or with boron oxide and/or a completely or partially hydrated boron oxide and/or with titanium dioxide and/or a partially hydrated titanium dioxide and/or with a completely or partially hydrated silicon dioxide at 0 DEG -280 DEG C.