Manufacture of polytrimethylene ether glycol

The present invention relates to a process of manufacture of polytrimethylene ether glycol, in which one or more inorganic compounds selected from an inorganic salt and an inorganic base is utilized during certain purification steps to reduce phase separation time.

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Bibliographische Detailangaben
Hauptverfasser: Sunkara, Hari Babu, Ng, Howard C, Zheng, Wei, Wu, Zhihong
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a process of manufacture of polytrimethylene ether glycol, in which one or more inorganic compounds selected from an inorganic salt and an inorganic base is utilized during certain purification steps to reduce phase separation time.