support from the National Natural Science Foundation of China(No. 20134020);the Visiting Scholar Project of Shandong Province of China(No.20081001);the Science Research Fund of Shandong Jiaotong University of China(No.Z200802)
Novel Y-shaped block copolymers of poly(ethylene glycol) and poly(N-isopropylacrylamide), PEG-b-(PNIPAM)2, were successfully synthesized through atom transfer radical polymerization (ATRP). A difunctional macr...