Ion exchangers with tertiary amino grps

Ion exchangers (I) with primary and/or secondary amino-groups are pre-swelled in diluted formic acid and then treated with concentrated formic acid and an aldehyde (II) or ketone at 0 to 150 degrees C. (I) may be a porous copolymer of styrene and divinylbenzene that has been chloromethylated and ami...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	RUEDIGER HAUPTMANN,.DR, ECKHARD SABROWSKI
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING WORKING-UP
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