Production of vinyl-lactam copolymers from water-soluble n-vinyl-lactam and hydrophobic comonomer for use e.g. in cosmetic or pharmaceutical formulation uses pressure high enough to prevent vaporizati

Production of vinyl-lactam copolymers from water-soluble n-vinyl-lactam and hydrophobic comonomer for use e.g. in cosmetic or pharmaceutical formulation uses pressure high enough to prevent vaporizati

Method of producing copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator, where the polymerization is carried out under a gauge pressure such that evaporation of the componen...

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Bibliographische Detailangaben
1. Verfasser: DOBRAWA RAINER,WIDMAIER RALF,SCHUPP EBERHARD,SCHNELL KLAUS,STRUBE KARL-HERMANN,FILGES ULRICH,NIEBERLE JUERGEN,NEUTZNER JOSEF,DIEING REINHOLD,GRUBER ANDREAS,BOUQUET WOLFGANG
Format: Patent
Sprache:eng
Schlagworte:
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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Zusammenfassung:Method of producing copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of an initiator, where the polymerization is carried out under a gauge pressure such that evaporation of the components is avoided.