Process for producing low temperature stable tert-butylphenyl diphenyl phosphate

Process for producing low temperature stable tert-butylphenyl diphenyl phosphate

A process for producing tert-butylphenyl diphenyl phosphate which is stable at low temperature by a process wherein phenol is butylated to produce tert-butylphenol which is isomerized to produce mixed meta and para isomers thereof, and which thereafter is alkylated with isobutylene to produce tert-b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GIOLITO, SILVIO L
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A process for producing tert-butylphenyl diphenyl phosphate which is stable at low temperature by a process wherein phenol is butylated to produce tert-butylphenol which is isomerized to produce mixed meta and para isomers thereof, and which thereafter is alkylated with isobutylene to produce tert-butylphenol having a C4/ phi ratio of about 0.62. The tert-butylphenol is then phosphorylated to the tert-butylphenyl diphenyl phosphate meta/para mixture with phosphorus oxychloride. The disclosed process provides a tert-butylphenyl diphenyl phosphate which will not freeze or gel at low temperatures.