Process for the purification of 1,1-dichloro-1-fluoroethane

Purificn. of CCl2FCH3 comprises: (a) reacting anhydrous HF with CCl3CH3 or vinylidene chloride contg. dichloroacetylene to form CCl2FCH3; and (b) passing the CCl2FCH3 through activated C to remove unsatd. impurities. The unsatd. impurities are pred. dichloroacetylene and/or vinylidene chloride. The...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	SMITH, ADDISON MILES, TUNG, HSUEH SUNG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Purificn. of CCl2FCH3 comprises: (a) reacting anhydrous HF with CCl3CH3 or vinylidene chloride contg. dichloroacetylene to form CCl2FCH3; and (b) passing the CCl2FCH3 through activated C to remove unsatd. impurities. The unsatd. impurities are pred. dichloroacetylene and/or vinylidene chloride. The activated C pref. has particle size range of 0.005-10 mm, most pref. 0.1-2 mm.