Alkyl phenol stabilizer compositions for fuels and lubricants

Details Alkyl phenol stabilizer compositions for fuels and lubricants Alkyl phenol stabilizer compositions for fuels and lubricants

1989-11-06

1991-06-18

Willis, Prince E.

Compositions

Electrolytes for electrical devices

568784, C10M12910

Patent

active

050247751

ABSTRACT:
Liquid mixtures of alkyl phenols composed of from 1 to 8 wt % 2-tert-butylphenol; from 4 to 12 wt % of 2,6-di-tert-butylphenol; from 4 to 12 wt % of 2-tri-tert-butylphenol; and from 65 to 80 wt % of 2,6-di-tert-butyl-4-n-butylphenol have a balance of properties rendering them ideally suited for use as stabilizers for middle distillate fuels. Such mixtures can be readily produced by an aldehyde-catalyzed alkylation procedure using n-butanol, an appropriate mixture of tertiary butylated phenols, and a strong base (e.g., NaOH, KOH, etc.).

REFERENCES:
patent: 2831898 (1958-04-01), Ecke et al.
patent: 3006969 (1961-10-01), Koetitz
patent: 3463731 (1969-08-01), Ecke et al.
patent: 3592951 (1971-07-01), Zaweski
patent: 3609081 (1971-09-01), Andress, Jr.
patent: 3759831 (1973-09-01), Andress, Jr.
patent: 3878255 (1975-04-01), Norell
patent: 3919333 (1975-11-01), Wollensak
patent: 4222884 (1980-09-01), Malec
patent: 4513109 (1985-04-01), Rosenberger
patent: 4560809 (1985-12-01), Goins et al.

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