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By different the DP of the polystyrene block, we correctly controlled the different mole fractions on the CP purposeful block. We Be aware that block copolymers PS- b -PCPR is also obtained with the reverse technique of rising the useful monomer CPR on to polystyrene macro-CTAs.Nếu có bất kỳ biểu hiện bất thường nào trong quá trì