Separation and purification method of tert.-butyl-methylphenol isomers

Separation and purification method of tert.-butyl-methylphenol isomers

A method for industrially advantageously and effectively separate 4M2B and 3M6B from a t-butylcresol mixture comprising 2-t-butyl-4-methylphenol (4M2B), 2-t-butyl-5-methylphenol (3M6B), compounds having a lower boiling point than that of 4M2B and compounds having a higher boiling point than that of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TSUKADA, SUSUMU, TOMA, MASAAKI, IKIMI, KIYOSHI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A method for industrially advantageously and effectively separate 4M2B and 3M6B from a t-butylcresol mixture comprising 2-t-butyl-4-methylphenol (4M2B), 2-t-butyl-5-methylphenol (3M6B), compounds having a lower boiling point than that of 4M2B and compounds having a higher boiling point than that of 3M6B derived from an m,p-cresol mixture is provided, which comprises at least three times distillation operations.