Polymeric stabilizers, their preparation and dispersions containing them
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United States of America Patent
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Oct 9, 1990
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N/A
app pub date -
Mar 17, 1989
filing date -
Mar 18, 1988
priority date (Note) -
Expired
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Abstract
An oil soluble polymeric surfactant that is particularly useful for stabilizing reverse phase polymer dispersions, especially when they are subjected to azeotroping, is a reaction product of an oil soluble polyester carboxylic acid (such as poly-hydroxy stearic acid) and a water soluble polyamine (such as polyethylene imine) of molecular weight above 500 and that contains at least 5 basic nitrogen atoms.
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