Methods of polymerization
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United States of America Patent
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Feb 22, 2005
Grant Date -
May 8, 2003
app pub date -
Mar 28, 2002
filing date -
Mar 28, 2001
priority date (Note) -
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Abstract
The present invention provides improved methods for conducting living/controlled polymerization on polymeric solid supports. The improved methods allow polymerization to occur directly from the non-functionalized surface of a bulk support. In addition, polymerization may be re-initiated to provide co-polymers. The disclosed methods may employ the non-nitroxide-based RAFT and ATRP control agents that allow controlled polymerization to proceed at relatively low temperatures (<80.degree. C.). Furthermore, these improved methods may provide graft polymers with decreased levels of 'in-growth' of the bulk solid support. The invention also provides substrate polymers, with improved properties for solid phase synthesis and diagnostic applications, which may be made by the disclosed methods.
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