Self-assembly of linear rod-coil multiblock copolymers

被引:8
作者
Xia, Ying-dong [1 ]
Chen, Ji-zhong [1 ]
Shi, Tong-fei [1 ]
An, Li-jia [1 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
基金
中国国家自然科学基金;
关键词
Rod-coil multiblock copolymer; Self-assembly; Self-consistent-field lattice; LATERALLY-TETHERED NANORODS; BLOCK-COPOLYMERS; BEHAVIOR; PHASE;
D O I
10.1007/s10118-013-1322-8
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The self-assembly of the linear rod-coil multiblock copolymers is studied by applying self-consistent-field lattice techniques in a three-dimensional (3D) space. Compared to the copolymer with one rod, the copolymer with more rods (m (rod) a parts per thousand yen 2) exhibits rich order-order phase transitions with increasing temperature, where the ordered morphology changes from strips to perforated lamellae and finally to lamellae. In addition, taking the copolymer with m (rod) = 2 as a representative, we further study the effects of the volume fractions of the rods, the spacer coils and the end coils on the phase behaviors respectively, by which the detailed self-assembled mechanism of the linear rod-coil multiblock copolymers is revealed. Our results are expected to provide guidance for the design of the rod-coil materials.
引用
收藏
页码:1242 / 1249
页数:8
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