Method for preparing isocyanate by gas-phase solvent-free method

Method for preparing isocyanate by gas-phase solvent-free method

The invention relates to a method for preparing isocyanates. In particular, the methods described herein produce isocyanates by using phosgene, in particular liquid phosgene, as a quench medium. 本申请涉及一种制备异氰酸酯的方法。具体地，本申请所述的方法通过使用光气(特别是液态光气)作为骤冷介质来制备异氰酸酯。...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: QIU GUISEN, LIU WENJIE, XUE YONGHE, LU CHENGLIANG, YUAN HAIXIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The invention relates to a method for preparing isocyanates. In particular, the methods described herein produce isocyanates by using phosgene, in particular liquid phosgene, as a quench medium. 本申请涉及一种制备异氰酸酯的方法。具体地，本申请所述的方法通过使用光气(特别是液态光气)作为骤冷介质来制备异氰酸酯。