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采用实空间求解的自洽场理论,研究了两亲性二嵌段共聚物(AB)/均聚物(C)超分子体系在溶液中的自组装行为,其中B疏水嵌段的自由末端与C均聚物的一个末端形成可逆的非共价键.在稀溶液中,AB/C超分子聚合物体系通过自组装形成了一系列不同形貌的胶束,如核-壳-冠的三层胶束和蠕虫状胶束等.研究发现,胶束形貌受到非共价键强度和初始配比的影响.随着非共价键强度的增加,超分子ABC三嵌段共聚物的含量相应地增加,而胶束形貌由三层结构向蠕虫状结构转变.此外,初始配比的改变也会引起胶束形貌的极大改变.
The self-assembly behavior of the amphiphilic diblock copolymer (AB) / homopolymer (C) supramolecular system in solution was investigated by using the self-consistent field theory in real space. The free end of B hydrophobic block was In the dilute solution, AB / C supramolecular polymer system by self-assembly to form a series of different morphological micelles, such as the core - shell - the crown of the three Layer micelles and worm-like micelles etc. It was found that the morphology of micelles was affected by the non-covalent bond strength and the initial ratio.With the increase of non-covalent bond strength, the content of supramolecular ABC triblock copolymer Increase correspondingly, and the morphology of micelles changes from three-layer structure to worm-like structure.In addition, the change of initial ratio also leads to the great change of micelle morphology.