NL7400177A - High-purity sulphonic acid prepn - with addn. of a low-mol-wt sulphonic acid to improve sepn of aqs and hydrocarbon phases - Google Patents

High-purity sulphonic acid prepn - with addn. of a low-mol-wt sulphonic acid to improve sepn of aqs and hydrocarbon phases

Info

Publication number
NL7400177A
NL7400177A NL7400177A NL7400177A NL7400177A NL 7400177 A NL7400177 A NL 7400177A NL 7400177 A NL7400177 A NL 7400177A NL 7400177 A NL7400177 A NL 7400177A NL 7400177 A NL7400177 A NL 7400177A
Authority
NL
Netherlands
Prior art keywords
sulphonic acid
mol
aqs
low
mixt
Prior art date
Application number
NL7400177A
Other languages
Dutch (nl)
Original Assignee
Witco Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Witco Chemical Corp filed Critical Witco Chemical Corp
Priority to NL7400177A priority Critical patent/NL7400177A/en
Publication of NL7400177A publication Critical patent/NL7400177A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/62—Sulfonated fats, oils or waxes of undetermined constitution

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

High-purity sulphonic acids, with a mol. wt. of >600 are prepd. by (a) adding 0.2-0.6 parts, of a sulphonating agent (esp. oleum) to 1 pt. of dewaxed, solvent-treated base lubricating oil, with a viscosity of 140-230 SUS at 99 degrees C and a VI of >=85; (b) treating the mixt. with 0.15-3 pts. H2O and 0.5-1.5 pts. of a volatile satd. hydrocarbon solvent (pref. hexane) per part of the oil; (c) treating the mixt. with 1-10 wt.% (based on the oil) of a low mol. wt. water-sol. sulphonic acid (I); (d) allowing the mixt. to form an aqs. phase and a hydrocarbon phase; and (e) discarding the aqs. phase. (I) can also be formed in situ by adding a low-mol. wt. aromatic cpd. to the starting mixt. The prods. (as salts) are useful as detergent additives for lubricants.
NL7400177A 1974-01-07 1974-01-07 High-purity sulphonic acid prepn - with addn. of a low-mol-wt sulphonic acid to improve sepn of aqs and hydrocarbon phases NL7400177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7400177A NL7400177A (en) 1974-01-07 1974-01-07 High-purity sulphonic acid prepn - with addn. of a low-mol-wt sulphonic acid to improve sepn of aqs and hydrocarbon phases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7400177A NL7400177A (en) 1974-01-07 1974-01-07 High-purity sulphonic acid prepn - with addn. of a low-mol-wt sulphonic acid to improve sepn of aqs and hydrocarbon phases

Publications (1)

Publication Number Publication Date
NL7400177A true NL7400177A (en) 1975-07-09

Family

ID=19820517

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7400177A NL7400177A (en) 1974-01-07 1974-01-07 High-purity sulphonic acid prepn - with addn. of a low-mol-wt sulphonic acid to improve sepn of aqs and hydrocarbon phases

Country Status (1)

Country Link
NL (1) NL7400177A (en)

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Legal Events

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