Processo contínuo para secagem de polímeros contendo N ou grupos amino, amônio ou amônio espirobicíclico

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 ERICH STEINWENDER, MICHAEL STANECK, GEORG HAUBL, WALTER RAML
Format Patent
LanguagePortuguese
Published 29.07.2014
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON 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: BR2004PI00018