Abstract:Poly(ethylene oxide)-b-poly(2-hydroxyethyl methacrylate) (PEO-b-PHEMA) was synthesized by successive atom transfer radical polymerization (ATRP) of 2-hydroxyethyl methacrylate(HEMA) monomer using PEO-Br macroinitiator as initiator, CuBr/CuBr 2 and 2,2"-bipyridyl (bpy) as catalyst and ligand. IR, 1 H NMR, and GPC analysis indicate that PEO-b-PHEMA block copolymer with low polydispersity index (M w /M n ≈ 1.1) has been formed. Selfassembly of this double hydrophilic block copolymer in the selective solvent and w… Show more
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