Pandect of sulfate surfactants (2): Production method
time:2014-12-23 21:15:56,count:0

2 Production method
2.1 Alkyl sulfates
Alkyl sulfates are synthesized with fatty alcohols and sulfur trioxide as raw materials via continuous reactor (eg: film reactor); the production method is currently the most widely used.
Primary alcohols are mainly used for preparation of linear alkyl sulfates; secondary alcohols are mainly used for preparation of secondary alkyl sulfates
The reaction procedure is as follows:
Finished product status of alkyl sulfates may be liquid, or powder, or needle-like solid.
Furthermore, secondary alkyl sulfates are synthesized with olefins and sulfuric acid as raw materials; the products are also known as teepole.
The reaction procedure is as follows:
2.2 Fatty alcohol polyoxyethylene ether sulfates
Alkyl sulfates are synthesized with fatty alcohol polyoxyethylene ether and sulfur trioxide as raw materials via continuous reactor (eg: film reactor); the production method is currently the most widely used.
Finished product status is different concentrations of liquid.
The reaction procedure is as follows:
(1) Preparation of fatty alcohol polyoxyethylene ether
Main reaction:
Side reaction:
 (1,4-dioxane)
Among them, 1,4-dioxane is a possible carcinogen.
(2) Preparation of fatty alcohol polyoxyethylene ether sulfates

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