Mechanism of a reaction
The reaction is occurring between a phosphate ester (mono- and di-esters, see the attachments) and Zn++.
The reaction product is a phosphated, mixed oleate/stearate; a mixed zinc salt.
I need to know where cleavage/attack/substitution is occurring on the phosphate ester. I need a diagram that shows the possible mechanism.
The reaction occurs in a solution that is is mostly glycol ether, with less than 5% water. Oleic acid is present at the same level of the phospate ester(s). Unreacted phosphoric acid from the phosphate ester makes the solution acidic. The reaction takes place within a brass phere, less than 5mm in diameter, partially open to the atmospher. Atmospheric water (1 to eventually 5%) is absorbed over time and the reaction product forms at room temperature over the course many months. The process is accelerated by increasing the temperature.
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