PROCESS OF FORMING RADICALIZED POLYMER INTERMEDIATES AND RADICALIZED POLYMER INTERMEDIATE COMPOSITIONS
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United States of America Patent
Stats
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N/A
Issued Date -
Dec 23, 2010
app pub date -
Jun 30, 2008
filing date -
Jun 29, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed are free-radical retrograde precipitation processes to product a radicalized polymer or copolymer. A process includes form an admixture of a monomer, a solvent, and a free-radical-forming agent to initiate the polymerization at a temperature above the lower critical solution temperature of the mixture. Polymer radicals are precipitated to form micron-sized or nano-sized particulates. The admixture is cooled to stop the polymerization. The radicalized polymer radical may be mixed with a monomer to form a second radicalized copolymer.
First Claim
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