Process for the continuous drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups

A method for drying N- or amino, ammonium or spirobicyclic ammonium group-containing polymers with cationic N-containing groups and counter-ions, in which gelled-out and washed polymers made by polymerisation, crosslinking and optionally alkylation are continuously dried in a fluidized bed with a ga...

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Bibliographic Details
Main Authors MICHAEL STANEK, ERICH STEINWENDER, GEORG HAUBL, WALTER RAML
Format Patent
LanguageEnglish
Published 19.11.2009
Subjects
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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Summary:A method for drying N- or amino, ammonium or spirobicyclic ammonium group-containing polymers with cationic N-containing groups and counter-ions, in which gelled-out and washed polymers made by polymerisation, crosslinking and optionally alkylation are continuously dried in a fluidized bed with a gaseous medium under normal or elevated pressure
Bibliography:Application Number: AU20040200130