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Combining metal-free ATRP and ROP produces well-defined graft copolymers, suggesting a new polymerization strategy.
Well‐defined poly[(methyl acrylate)‐ co ‐(hydroxyethyl acrylate)]‐ graft ‐ poly(ε‐caprolactone ) copolymers were synthesized using a completely metal‐free strategy by combining atom transfer radical polymerization (ATRP) and ring‐opening polymerization (ROP) at ambient temperature. These two orthogonal, metal‐free, controlled/living processes, tested in both simultaneous and sequential approaches, were employed to fine‐tune grafting density and efficiency by systematically varying monomer concentration and polymerization time. Spectroscopic and chromatographic characterizations confirmed that both ATRP and ROP proceeded in a controlled fashion, yielding graft copolymers with narrowly distributed molecular weights.
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Akyel et al. (2025) studied this question.
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