The amphiphilic grafting copolymer,Polyepoxymethylsiloxane-g-poly(N,N-dimethylacryl amide),was prepared by epoxy ring-opening polymerization of polyepoxymethylsiloxane(PEMS) and hydroxyl-terminated poly(N,N-dimethylac...The amphiphilic grafting copolymer,Polyepoxymethylsiloxane-g-poly(N,N-dimethylacryl amide),was prepared by epoxy ring-opening polymerization of polyepoxymethylsiloxane(PEMS) and hydroxyl-terminated poly(N,N-dimethylacrylamide)(OH-PDMAAm).The structure of the PEMS-g-PDMAAm copolymer was characterized by FTIR.The micellization of PEMS-g-PDMAAm in aqueous solution was investigated by Fluorescence spectrum and dynamic laser light scattering.The results indicated that when the concentration was above the 0.13mg/mL,the grafting copolymer associated and the average hydrodynamic radiuses of micelles were 121nm and 46nm.展开更多
文摘The amphiphilic grafting copolymer,Polyepoxymethylsiloxane-g-poly(N,N-dimethylacryl amide),was prepared by epoxy ring-opening polymerization of polyepoxymethylsiloxane(PEMS) and hydroxyl-terminated poly(N,N-dimethylacrylamide)(OH-PDMAAm).The structure of the PEMS-g-PDMAAm copolymer was characterized by FTIR.The micellization of PEMS-g-PDMAAm in aqueous solution was investigated by Fluorescence spectrum and dynamic laser light scattering.The results indicated that when the concentration was above the 0.13mg/mL,the grafting copolymer associated and the average hydrodynamic radiuses of micelles were 121nm and 46nm.