Studies on the Synthesis and the Applications of Polyalkylene Glycol Derivatives. V.:Synthesis and Surface Activity of Sodium Polyoxypropylated Higher Alcohol Phosphates

概要

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A series of sodium polyoxypropylated laury phosphates was synthesized and the change in their surface activities such as surface tension, foaming properties, wetting power, dispersing power and emulsifying power, by the difference in the number of moles of propylene oxide added, was discussed. The surface tension of propylene oxide adducts, especially 315 mole adducts, is lower as compared with lauryl phosphate. The foaming power and the foam stability are generally low. Addition of propylene oxide greatly improves the wetting power of lauryl phosphate, especially, 3, 10 and 15 mole adducts are excellent. The dispersing power of propylene oxide adducts is superior than that of lauryl sulfate. The emulsifying power of the products is small.
Japan Oil Chemists' Societyの論文