Polymer with @S05900@, @P04740@-active sites formed by a @C00958@ in which irreversible @C00963@ and chain @T06274@ are absent.
See also:
living polymerization
Source: PAC, 2004, 76, 889. (Definitions of terms relating to reactions of polymers and to functional polymeric materials (IUPAC Recommendations 2003)) on page 896 [Terms] [Paper]