Method for producing monodisperse ion exchangers with chelating groups

Method for producing monodisperse ion exchangers with chelating groups

Preparation of a mono-disperse anion exchanger with strongly basic functional groups in the resin core or shell comprises polymerizing a monovinyl aromatic compound(s) and a polyvinyl aromatic compound(s), aminomethylating with phthalimide derivatives and reacting with chelating functional groups. P...

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Bibliographische Detailangaben
Hauptverfasser: STRUEVER, WERNER, HEES, BRUNO, KLIPPER, REIINHOLD, SCHNEGG, ULRICH, LEHMANN, BERNHARD, LUETJENS, HOLGER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
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
SEPARATION
THEIR PREPARATION OR CHEMICAL WORKING-UP
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Zusammenfassung:Preparation of a mono-disperse anion exchanger with strongly basic functional groups in the resin core or shell comprises polymerizing a monovinyl aromatic compound(s) and a polyvinyl aromatic compound(s), aminomethylating with phthalimide derivatives and reacting with chelating functional groups. Preparation of mono-disperse anion exchanger with strongly basic functional groups in the resin core or the resin shell comprises reacting monomer droplets of a monovinyl aromatic compound(s) and a polyvinyl aromatic compound(s) to give a mono-disperse, crosslinked bead polymer, aminomethylating with phthalimide derivatives and reacting to give a bead polymer and reacting with chelating functional groups. Independent claims are included for the obtained ion exchangers and heavy metal and noble metal removing processes using the exchanger.