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Acid and disulfide biodegradable cross-linkers have been employed to generate microgel star polymers, using RAFT-polymer arms. RAFT end-groups were then exploited to attach functional compounds viaboth thiol–ene and thiol–pyridyl disulfide exchange reactions. [ABSTRACT FROM AUTHOR]

In this communication, we report on a new route to the functionalization of ATRP polymers exploiting their halide end-groups, which were converted successfully into reactive disulfide end-groups, using sodium methanethiosulfonate. The resultant disulfide-terminated polymers could then be reacted with different functional thiols to yield functional polymers exploiting either thiol/disulfide exchange chemistry or thiol/ene “click” reactions. [ABSTRACT FROM AUTHOR]

In this work, we combine reversible addition fragmentation transfer polymerization (RAFT) with cobalt catalytic chain transfer (CCT) to obtain ω-unsaturated polymers with relatively low polydispersity values. [ABSTRACT FROM AUTHOR]