CA1164889A - Alkylated biphenyl disulfonates - Google Patents

Alkylated biphenyl disulfonates

Info

Publication number
CA1164889A
CA1164889A CA000368371A CA368371A CA1164889A CA 1164889 A CA1164889 A CA 1164889A CA 000368371 A CA000368371 A CA 000368371A CA 368371 A CA368371 A CA 368371A CA 1164889 A CA1164889 A CA 1164889A
Authority
CA
Canada
Prior art keywords
composition
alkylated biphenyl
carbon atoms
epsilon
alkylated
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000368371A
Other languages
French (fr)
Inventor
Paul E. Hinkamp
David C. Tompkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Priority to CA000368371A priority Critical patent/CA1164889A/en
Application granted granted Critical
Publication of CA1164889A publication Critical patent/CA1164889A/en
Expired legal-status Critical Current

Links

Abstract

ABSTRACT
Alkylated biphenyl disulfonated of the formula wherein R is an alkyl radical of at least 6 carbon atoms and each R can be the same or different.
M? is hydrogen, alkali metal ion, alkaline earth metal ion or ammonium ion radical and each M? can be the same or different; and x and y are individually integers of 0-2 with the proviso that 1(x+y)?1.

Claims (13)

IN THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An alkylated biphenyl disulfonate surfac-tant composition comprising a biphenyl disulfonate of the formula wherein R is an alkyl radical of at least 6 carbon atoms and each R can be the same or different;
M? is hydrogen, alkali metal ion, alkaline earth metal ion or ammonium ion radical and each M? can be the same or different;
and x and y are individually integers of 0-2 with the proviso that .epsilon.(x+y) ? 1, wherein at least 90 weight percent of the alkylated biphenyl radicals in said composition are disulfonated and between 0 and 10 weight percent of the alkylated biphenyl radicals are monosulfonated.

27,055-F 20
2. The composition of Claim 1 wherein R
is a linear or branched alkyl radical of between 8 and 18 carbon atoms.
3. The composition of Claim 2 where M? is an alkali metal ion.
4. The composition of Claim 3 where .epsilon.(x+y) is 1 or 2.
5. The composition of Claim 1 where R is a linear or branched alkyl radical of between 10 and 18 carbon atoms, M? is an ion of sodium or potassium, and .epsilon.(X+y) is 1 or 2.
6. An aqueous anionic surfactant system having a relatively high tolerance to multivalent cations, the system comprising:
(a) a substantially homogenous aqueous liquid system containing at least one dissolved or dispersed petroleum sulfonate surfactant; and (b) at least one said alkylated biphenyl disulfonate surfactant composition of Claim 1.
7. A process for displacing oil from a porous, subterranean rock reservior, the process com-prising injecting into the reservoir an active aqueous anionic surfactant system containing a sufficient amount of an alkylated biphenyl disulfonate surfactant composition to improve the system's multivalent cation tolerance without significantly reducing the interfacial 27,055-F 21 tension-lowering activity of the system, wherein said surfactant composition is the composition of Claim 1.
8. A method of preparing an alkylated biphenyl disulfonate composition comprising a biphenyl disulfonate of the formula wherein R is an alkyl radical of at least 6 carbon atoms and each R can be the same or different;
M? is hydrogen, alkali metal ion, alkaline earth metal ion or ammonium ion radical and each M? can be the same or different;
and x and y are individually integers of 0-2 with the proviso that .epsilon.(x+y) ? 1 wherein at least 90 weight percent of the alkylated biphenyl radicals in said composition are disulfonated and between 0 and 10 weight percent of the alkylated biphenyl radicals are monosulfonated, comprising the steps of:
contacting an alkylated biphenyl of the formula 27,055-F

wherein R, x and y are as herein defined with sulfur trioxide dissolved in refluxing sulfur dioxide, the sulfur trioxide and alkylated biphenyl contacted at a sulfur trioxide:alkylated biphenyl mole ratio of at least about 2; and, optionally, contacting the result-ing alkylated biphenyl disulfonic acid with a neutral-izing solution comprising ions or ion radicals of M?
as defined in Claim 1.
9. The method of Claim 8 where R is a linear or branched alkyl radical of 8 to 18 carbon atoms.
10. The method of Claim 9 where M? is an alkali metal ion.
11. The method of Claim 10 where .epsilon.(x+y) is 1 or 2.
12. The method of Claim 8 where R is a linear or branched alkyl radical of 10 to 18 carbon atoms, M? is an ion or sodium or potassium and .epsilon.(x+y) is 1 or 2.
13. A surfactant composition comprising at least one alkylated biphenyl disulfonate of Claim 1.

27,055-F 23
CA000368371A 1981-01-13 1981-01-13 Alkylated biphenyl disulfonates Expired CA1164889A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000368371A CA1164889A (en) 1981-01-13 1981-01-13 Alkylated biphenyl disulfonates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000368371A CA1164889A (en) 1981-01-13 1981-01-13 Alkylated biphenyl disulfonates

Publications (1)

Publication Number Publication Date
CA1164889A true CA1164889A (en) 1984-04-03

Family

ID=4118901

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000368371A Expired CA1164889A (en) 1981-01-13 1981-01-13 Alkylated biphenyl disulfonates

Country Status (1)

Country Link
CA (1) CA1164889A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699214A (en) * 1986-09-30 1987-10-13 Sun Refining And Marketing Company Salt-tolerant alkyl aryl sulfonate compositions for use in enhanced oil recovery processes
US4957646A (en) * 1987-08-26 1990-09-18 Shell Oil Company Steam foam surfactants enriched in alpha olefin disulfonates for enhanced oil recovery
US4959490A (en) * 1988-11-14 1990-09-25 Exxon Production Research Company Process for manufacturing disulfonate surfactants

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699214A (en) * 1986-09-30 1987-10-13 Sun Refining And Marketing Company Salt-tolerant alkyl aryl sulfonate compositions for use in enhanced oil recovery processes
US4957646A (en) * 1987-08-26 1990-09-18 Shell Oil Company Steam foam surfactants enriched in alpha olefin disulfonates for enhanced oil recovery
US4959490A (en) * 1988-11-14 1990-09-25 Exxon Production Research Company Process for manufacturing disulfonate surfactants

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