Method for Inreasing the Efficiency of Surfactants, Extending the Temperature Window, and Suppressing Lamellar Mesophases in Microemulsion by Means of Additives, and Microemulsion
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United States of America Patent
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Issued Date -
Dec 3, 2009
app pub date -
Sep 15, 2006
filing date -
Oct 18, 2005
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Abandoned
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Abstract
A method for increasing the efficiency of surfactants, broadening the temperature window, and suppressing lamellar mesophases in microemulsions by use of additives that possess at least one water-soluble unit and one hydrophobic unit are added to the microemulsions. The ratio of the number-average molecular weight of water-soluble units to the number-average molecular weight of hydrophobic units is 2 to 1000, the additives being polymers that comprise at least one water-soluble unit that possesses at least one hydrophobic unit on one chain end and/or one hydrophobic unit as a non-terminal substituent and/or at least one hydrophobic unit that is incorporated between the water-soluble units of the polymer.
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