Processes for chemically-modifying the surface of emulsion polymer particles
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United States of America Patent
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Aug 31, 2004
Grant Date -
May 30, 2002
app pub date -
Sep 25, 2001
filing date -
Sep 29, 2000
priority date (Note) -
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Abstract
Processes for chemically-modifying the surface of an emulsion polymer particle are provided which include providing an aqueous emulsion polymer, a monomer at a level of at least 0.5% by weight based on the weight of the emulsion polymer and a, surface-modifying chemical capable of bonding with the monomer, under conditions where there is no substantial polymerization of the monomer, and then reducing the level of the monomer by at least 50%.
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