Pandect of sulfonate surfactants (1): Definition

Pandect of sulfonate surfactants (1): Definition

Sulfonate surfactants are the main component of detergents nowadays. Among, sodium dodecylbenzenesulfonate is widely used.

The surfactants have -SO3^- functional group.

General formula of sulfonate surfactants:

Among:

R:

-- , R' is C_nH_2n+1: alkylbenzene sulfonate;

-- C_nH_2n+1: alkyl sulfonate;

-- C_nH_2n-1: alkenyl sulfonate;

-- alpha-olefin (reaction initial material): alpha-olefin sulfonate;

-- , R' is C_nH_2n+1: alkyl naphthalene sulfonate;

-- C_nH_2n+1 ( OCH₂CH₂ ) _m: Saturated fatty alcohol polyoxyethylene ether sulfonate

-- petroleum fraction: petroleum sulfonate;

-- lignin: lignosulfonate;

-- : sulfosuccinate;

-- : fatty acid ester sulfonate;

-- : phenol polyoxyethylene ether sulfonate; R' is C_nH_2n+1: alkylphenol polyoxyethylene ether sulfonate;

-- : ester sulfonate; among, position of sulfonic acid group is in R² or R¹.

-- : taurine salt; among, carbon atoms connecting with N atom and S atom are less than two or contain other group: fatty acid amide sulfonate.

-- sugar group: sugar sulfonate.