PROCESS FOR PRODUCING POLYMERS BY FREE RADICAL POLYMERIZATION AND CONDENSATION REACTION, AND APPARATUS AND PRODUCTS RELATED THERETO
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United States of America Patent
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Feb 12, 2002
Grant Date -
Feb 28, 2002
app pub date -
Jul 2, 1999
filing date -
Jul 10, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a high temperature continuous polymerization and condensation process for preparing a polymeric product. The process includes continuously charging into a reaction zone: at least one radically-polymerizable monomer having a radically polymerizable group and at least one condensation reactive functionality; and at least one modifying agent having a functional group capable of reacting with the condensation reactive functionality. The reaction zone includes at least one primary reactor, but may, and preferably does, contain a secondary reactor. The process further includes maintaining an effective temperature in the primary reactor to cause polymerization of the monomer and to allow at least a portion of the condensation reactive functionality to react with the functional group of the modifying agent.
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