Process for preparing polyoxyalkylene polyols by the continuous addition of starter

Process for preparing polyoxyalkylene polyols by the continuous addition of starter

This invention relates to an improved process for the preparation of a high molecular weight polyoxyalkylene polyether polyol by the continuous addition of starter (CAOS) process. This process enables a shorter cycle time while maintaining a low viscosity in high molecular weight polyoxyalkylene pol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Loveday, Anthony R, Browne, Edward P, Pazos, Jose F
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
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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Beschreibung
Zusammenfassung:This invention relates to an improved process for the preparation of a high molecular weight polyoxyalkylene polyether polyol by the continuous addition of starter (CAOS) process. This process enables a shorter cycle time while maintaining a low viscosity in high molecular weight polyoxyalkylene polyether polyols.