Well Defined stars with segmented arms
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United States of America Patent
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Issued Date -
Oct 27, 2011
app pub date -
Apr 23, 2010
filing date -
Apr 23, 2010
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Abstract
The present invention relates to the preparation and use of well defined star macromolecules wherein the composition of the arms are selected to induce self assembly when the multi-arm segmented star macromolecules are dispersed in a liquid. The self assembled star macromolecules modify the rheology of the dispersing media. When targeting use in aqueous based systems the inner shell of the star macromolecules comprise non-ionizable monomer units. Compositions comprising the self assemblable star macromolecules are suitable for use as rheology modifiers in a number of applications including cosmetic and personal care compositions.
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