Redox system and process
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United States of America Patent
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Mar 30, 2004
Grant Date -
Jul 25, 2002
app pub date -
Nov 20, 2001
filing date -
Nov 30, 2000
priority date (Note) -
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Abstract
A process for preparing an aqueous emulsion polymer including providing at least one ethylenically unsaturated monomer and a free radical redox initiator system under emulsion polymerization conditions, the redox initiator system including an oxidant; a reductant and a metal promoter complex, and effecting the polymerization of at least some of the ethylenically unsaturated monomer is provided. Also provided is a process for reducing the residual ethylenically unsaturated monomer content of an aqueous emulsion polymer.
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