Structured acrylate copolymer thickeners
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United States of America Patent
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Mar 18, 2014
Grant Date -
May 9, 2013
app pub date -
Jul 7, 2011
filing date -
Jul 9, 2010
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Abstract
Disclosed are multi-staged acrylic based core-shell polymers comprising a linear core polymer and at least one subsequently polymerized shell polymers is crosslinked. The core-shell polymers surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH.
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