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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| creator | BERGELER, Maike GUTH, Felicitas SMIT, Theo STRUBE, Karl-Hermann WELZ, Oliver FILGES, Ulrich MELLER, Monika |
| description | 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. |
| format | Patent |
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| 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 |
| title | PREPARATION OF N-VINYLPYRROLIDONE POLYMERS, CONTAINING LESS THAN 0.5 WT% OF 2-PYRROLIDONE |
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