Neutralizing Carbopol and Pemulen in Aqueous ...
Hydroalcoholic Thickening Ethanol and isopropanol can be thickened with Carbopol® polymers. The critical factor is choosing the correct neutralizer based on the amount of alcohol that is to be gelled. If the wrong neutralizer is used, the salt of the Carbopol® polymer will precipitate out because it is no longer soluble in the hydroalcoholic ...
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