Research Article

RAFT Synthesis and Self-Assembly of Free-Base Porphyrin Cored Star Polymers

Table 2

Synthesis of porphyrin cored star block copolymers using macro-CTA as chain transfer agent initiated by AIBNa.

Targeted block copolymersMacro-CTA (PDI)MTime (h)Conv. (%)Overall (GPC)PDIBlock ratio

P-(PDMA-PS)4P-(PDMA96)4 (1.10)St68.5412001.1396 : 33 (PDMA : PS)
P-(PS-PDMA)4P-(PS34)4 (1.11)DMA2.599376001.2934 : 239 (PS : PDMA)

a[monomer]0 : [Macro-CTA]0 : [AIBN]0 = 800 : 1 : 0.2; temperature was set at 65°C.