Process for preparing solid blends of polyvinylpyrrolidones and ethoxylated fatty acid derivatives

Solid blends of polyvinyl pyrrolidones with ethoxylated fatty acid derivatives are produced in an extruder, the polyvinyl pyrrolidone being fed into the extruder in the form of an aqueous solution and the solvent being removed during the extrusion.

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Bibliographic Details
Main Authors SCHILLO, SIMONE, LANGE, RONALD FRANS MARIA
Format Patent
LanguageEnglish
French
German
Published 20.02.2008
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:Solid blends of polyvinyl pyrrolidones with ethoxylated fatty acid derivatives are produced in an extruder, the polyvinyl pyrrolidone being fed into the extruder in the form of an aqueous solution and the solvent being removed during the extrusion.
Bibliography:Application Number: EP20060113777