A process to produce an acid-treated aqueous dispersion is provided. The process comprises contacting a polymer, a water dispersible polyester, water, and at least one acid-generating compound; wherein said polymer comprises repeating units from at least one fluoroalkyl monomer and optionally, at least one ethylenically unsaturated monomer; wherein the acid-generating compound is at least one acid or acid salt.

 
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> Aqueous primary dispersion, substantially or completely devoid of volatile organic substances, method for the production thereof and use of the same

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