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New anionic alkylaryl surfactants based on olefin sulfonic acids
Author(s) -
Berger Paul D.,
Lee Christie H.
Publication year - 2002
Publication title -
journal of surfactants and detergents
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.349
H-Index - 48
eISSN - 1558-9293
pISSN - 1097-3958
DOI - 10.1007/s11743-002-0203-3
Subject(s) - chemistry , alkylation , alkylbenzenes , organic chemistry , sulfonic acid , olefin fiber , alkyl , alkylphenol , toluene , phenol , naphthalene , linear alkylbenzene , benzene , sulfonate , catalysis , pulmonary surfactant , biochemistry , sodium
A new family of anionic surfactants has been produced by the simultaneous sulfonation and alkylation of aromatic compounds using olefin sulfonic acid(s). This new process does not require the conventional alkylation unit and the strong acid catalysts, such as AlCl 3 or HF, normally used for alkylation. The resulting alkylaryl sulfonic acids differ from existing prodeucts by having the sulfonate group attached to the alkyl chain rather than the aromatic ring. This allows for further derivatization of the aromatic compounds by leaving more positions open on the ring. Aromatic compounds that lend themselves to the new process include benzene, toluene, xylene, alkylbenzenes, phenol, alkylphenols, alkoxylated phenols, alkoxylated alkylphenols, alkoxylated alkylphenol/formaldehyde resins, naphthalene, and alkylnaphthalenes. Any type of olefin that can be sulfonated can be used as the starting material. These include internal and α‐olefins, linear and branched olefins, polyolefins, and vinylidenes. Mono‐ and disulfonated compounds, as well as geminitype surfactants, are easily prepared.