| 초록 |
It has been recognized that chain architecture is one of the important molecular factors in the micellization of block copolymers. While a number of works are focused on the linear block copolymers, block copolymers having non-linear architecture have been attracted less attention. Graft copolymer having one branch is an ideal candidate for the micellar behavior of non-linear block copolymers. In this study, we conduct Brownian dynamics simulation to investigate the branching effect of T-shaped graft copolymers on micellization. The micellar behavior of the branched graft copolymer is compared with that of AB linear diblock copolymers by keeping overall molecular weight and composition constant. Further systematic studies are conducted for T-shaped graft copolymers by changing the location of grafted junction along backbone chain. From the simulation, the micellar properties such as critical micelle concentration, average aggregation number and the distribution of micelle size are measured and compared with experimental results.
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