Pandect of phosphate surfactants (1): Definition

Pandect of phosphate surfactants (1): Definition

The surfactants having phosphoric acid functional group.

General formula:

Phosphate diester salt:

-- R, R¹: hydrophobic group, R²: H;

Phosphate monoester salt:

-- R: hydrophobic group, R¹, R²: H.

Among:

hydrophobic group:

-- C_nH_2n+1: alkyl phosphate;

-- C_nH_2n-1: alkenyl phosphate;

-- C_nH_2n+1 (OCH₂CH₂) _m: saturated fatty alcohol polyoxyethylene ether phosphate;

-- C_nH_2n-1 (OCH₂CH₂) _m: unsaturated fatty alcohol polyoxyethylene ether phosphate;

-- : R': H or other group, phenol phosphate;

-- : phenol polyoxyethylene ether phosphate; R': C_nH_2n+1, alkylphenol polyoxyethylene ether phosphate;

-- : R' is H: saturated fatty acid amide polyoxyethylene ether phosphate;

-- Castor oil group: castor oil phosphate.