PREPARATION OF N-VINYLPYRROLIDONE POLYMERS, CONTAINING LESS THAN 0.5 WT% OF 2-PYRROLIDONE

Objective of the present invention to provide a process for the preparation of N-vinylpyrrolidone polymers, containing less than 0.5 wt% of 2-pyrrolidone, by solution polymerization in aqueous medium.

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Bibliographic Details
Main Authors BERGELER, Maike, GUTH, Felicitas, SMIT, Theo, STRUBE, Karl-Hermann, WELZ, Oliver, FILGES, Ulrich, MELLER, Monika
Format Patent
LanguageEnglish
French
German
Published 09.10.2024
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
HUMAN NECESSITIES
HYGIENE
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Objective of the present invention to provide a process for the preparation of N-vinylpyrrolidone polymers, containing less than 0.5 wt% of 2-pyrrolidone, by solution polymerization in aqueous medium.
Bibliography:Application Number: EP20220818667