ICCAS OpenIR
Self-assembly of rod-coil-rod ABA-type triblock copolymers
Chen, Ji-Zhong1; Sun, Zhao-Yan1; Zhang, Cheng-Xiang1; An, Li-Jia1; Tong, Zhen2
2008-02-21
Source PublicationJOURNAL OF CHEMICAL PHYSICS
ISSN0021-9606
Volume128Issue:7
AbstractSelf-assembled behavior of symmetric ABA rod-coil-rod triblock copolymer melts is studied by applying self-consistent-field lattice techniques in three-dimensional space. The phase diagram is constructed to understand the effects of the chain architecture on the self-assembled behavior. Four stable structures are observed for the ABA rod-coil-rod triblock, i.e., spherelike, lamellar, gyroidlike, and cylindrical structures. Different from AB rod-coil diblock and BAB coil-rod-coil triblock copolymers, the lamellar structure observed in ABA rod-coil-rod triblock copolymer melts is not stable for high volume fraction of the rod component (f(rod)=0.8), which is attributed to the intramolecular interactions between the two rod blocks of the polymer chain. When 0.3 < f(rod)< 0.7, the intramolecular interactions between the two rigid blocks of the polymer chain are decrease, which results in the occurrence of some interesting metastable mixed structures. These structures have not been observed in polymers containing only one rod block, such as a lamellar-alt-lamellar structure. The results are expected to provide guidance for the design of microstructures in experiments.
DOI10.1063/1.2831802
Indexed BySCI
Language英语
WOS IDWOS:000253336800040
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/64554
Collection中国科学院化学研究所
Corresponding AuthorSun, Zhao-Yan
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.S China Univ Technol, Guangzhou 510641, Peoples R China
Recommended Citation
GB/T 7714
Chen, Ji-Zhong,Sun, Zhao-Yan,Zhang, Cheng-Xiang,et al. Self-assembly of rod-coil-rod ABA-type triblock copolymers[J]. JOURNAL OF CHEMICAL PHYSICS,2008,128(7).
APA Chen, Ji-Zhong,Sun, Zhao-Yan,Zhang, Cheng-Xiang,An, Li-Jia,&Tong, Zhen.(2008).Self-assembly of rod-coil-rod ABA-type triblock copolymers.JOURNAL OF CHEMICAL PHYSICS,128(7).
MLA Chen, Ji-Zhong,et al."Self-assembly of rod-coil-rod ABA-type triblock copolymers".JOURNAL OF CHEMICAL PHYSICS 128.7(2008).
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