Distribution of para and ortho Isomers in Some Model Long Chain Alkylbenzenesulfonates

Gray, Frederick W.; Krems, Irving J.

doi:10.1021/jo01060a050

Cited by 13 publications

(1 citation statement)

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“…The alcohol was removed by vacuum distillation and the remaining alkylbenzene sodium sulfonate was dried in a vacuum oven at 80 C over anhydrous phosphorous pentoxide. The sup fonation of alkylbenzenes has been discussed by several authors (13)(14)(15).…”

Section: Sulfonationmentioning

confidence: 99%

Surfactants for producing low interfacial tensions: II. Linear alkylbenzenesulfonates with additional alkyl substituents

Doe

El-Emary

Wade

et al. 1978

J Americ Oil Chem Soc

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The synthesis and low interfacial tension behavior of a variety of di-and trialkylbenzenesulfonates are described. The benzene ring carries one major alkyl substituent, consisting of a linear chain eight to sixteen carbon atoms long, and one or two additional methyl, ethyl, propyl, i-propyl, butyl, or t-butyl groups. The addition of these extra groups causes the low interfacial tensions to shift to higher molecular weight alkanes when compared to the parent linear alkylbenzenesulfonate. Surfactants in these structural classes can give very low interracial tensions against those alkanes which best model the behavior of crude oils, but this is influenced by the number and type of the short alkyl substituents. These surfactant structures are more attractive from the point of view of tertiary oil recovery than linear alkylbenzenesulfonates.

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Section: Sulfonationmentioning

confidence: 99%

Surfactants for producing low interfacial tensions: II. Linear alkylbenzenesulfonates with additional alkyl substituents

Doe

El-Emary

Wade

et al. 1978

J Americ Oil Chem Soc

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Zum Mizellierungsverhalten ringisomerer Natrium‐n‐alkylbenzensulfonate

Sowada

1984

Acta hydrochim. hydrobiol.

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Bei der Sulfonierung auch auBerst reiner Phenylalkane mit definierter Struktur entsteht stets ein Isomerengemisch von p-Sulfonsaure neben o-Sulfonsaure und etwas m-Siilfonsaure (GRAY, GERECHT and KREMS). Technisches Alkylbenzensulfonat ist daher stets ein Gemisch von p-Sulfonat mit mehr oder weniger deutlichem Gehalt an o-Sulfonat. Bei der schonenden Sulfonierung von 1-Phenyl-bzw. 8-Phenylalkanen bilden sich 15 bzw. 7 O, b an o-Sulfonsaure (GRAY and KREMS), bei scharferen Bedingungen dagegen bis 30 0/0 (MOTSCHALOVA et a].). Phenylalkane mit stark verzweigter Alkylkette bilden beim Sulfonieren a m sterischen Griinden kaum noch o-Sulfonsaure, aber etwas m-Sulfons8ure (GRAY, GERECHT and KREMS ; LIJDLUM).

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Tetralinsulfonsäuren und ihre Derivate. I. Bereitung der Nitrotetralinsulfonsäuren und ihrer Sulfochloride

Kloubek¹,

Šíp²,

Ettel³

1963

J. Prakt. Chem.

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Distribution of para and ortho Isomers in Some Model Long Chain Alkylbenzenesulfonates

Cited by 13 publications

References 1 publication

Surfactants for producing low interfacial tensions: II. Linear alkylbenzenesulfonates with additional alkyl substituents

Surfactants for producing low interfacial tensions: II. Linear alkylbenzenesulfonates with additional alkyl substituents

Zum Mizellierungsverhalten ringisomerer Natrium‐n‐alkylbenzensulfonate

Tetralinsulfonsäuren und ihre Derivate. I. Bereitung der Nitrotetralinsulfonsäuren und ihrer Sulfochloride

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