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Polyethylene Glycol Derivatives

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Brief Introduction
PEG Ester surfactants are manufactured by reacting a polyethylene glycol with a fatty acid. The polyethylene glycol comprises the hydrophilic part of the surfactant and the fatty acid the lipophilic part. By varying the molecular weight of the PEG and the fatty acid, surfactants covering a wide range of HLB values can be produced. Typically, those with an HLB below 13 are oil soluble and water dispersible while those above are water soluble.
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