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. 2021 Mar 17;60(19):10983–10991. doi: 10.1002/anie.202015677

Figure 2.

Figure 2

Photoinduced Cu‐catalyzed ATRP of MMA under blue light LED irradiation (λ=405 nm, 100 mW cm−2, reaction condition: [MMA]/[EBPA]/[CuBr2]/[TPMA]=300/1/0.03/0.135 in DMSO 50 vol % (mCD‐1=3 mg). a) Kinetics of the polymerization, b) Number‐average molecular weight (M n, triangle) and dispersity (Đ, point) as a function of monomer conversion, c) GPC of molecular weight distribution for the PMMA synthesized with different exposure time, d) GPC chromatograms of PMMA chain extended, e) Block copolymer (PMMA‐b‐PSt) with polystyrene (PSt), and f) Temporal control of the photoinduced Cu‐catalyzed ATRP using CD‐1 under blue light LED irradiation in the photoinduced Cu‐catalyzed ATRP). Chain extension conditions: ([MMA]0/[Precursor]0/[CuBr2]0/[TPMA]=300/1/0.03/0.135), Block copolymerization conditions: ([St]0/[Precursor]0/[CuBr2]0/[TPMA]=300/1/0.03/0.135). Both reactions are done in 50 vol % DMF at room temperature with 405 nm LED.