申请人:——
公开号:US20030088028A1
公开(公告)日:2003-05-08
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° 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.
本发明提供了在聚合物固体支持物上进行活体/可控聚合的改进方法。改进后的方法可使聚合反应直接从块状支撑物的非官能化表面进行。此外,聚合可重新启动,以提供共聚物。所公开的方法可采用非硝基的 RAFT 和 ATRP 控制剂,使受控聚合在相对较低的温度(<80° C)下进行。此外,这些改进的方法还可提供接枝聚合物,降低块状固体支撑物的 "内生长 "水平。本发明还为固相合成和诊断应用提供了具有改进特性的基质聚合物,这些基质聚合物可通过所公开的方法制成。