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题名: Microphase Separation within Disk Shaped Aggregates of Triblock Bottlebrushes
作者: Long, Meilin1; Shi, Yi1; Zhang, Ke1; Chen, Yongming1, 2
关键词: block copolymers ; microphase separation ; molecular bottlebrushes ; self-assembly
刊名: MACROMOLECULAR RAPID COMMUNICATIONS
发表日期: 2016-04-01
卷: 37, 期:7, 页:605-609
收录类别: SCI
英文摘要: Well-defined AbBA triblock bottlebrush with poly(N,N-dimethyl acrylamide) (PAm) as A block and polyacrylate, densely grafted with poly(tert-butyl acrylate)-block-polystyrene (PBA-b-PS), as brush bB block is prepared by controlled radical polymerization and click chemistry. The triblock copolymer with a composition of PAm200-b-b(PBA(14)-b-PS47)(167)-b-PAm200 is obtained and is further transformed into PAm200-b-b(PAA(14)-b-PS47)(167)-b-PAm200 by hydrolysis of the PBA segment into poly(acrylic acid) (PAA). In a mixture of N, N-dimethylformamide (DMF) and methanol, a poor solvent of bB block, PAm200-b-b(PAA(14)-b-PS47)(167)-b-PAm200 self-assembled into disk-like platelets, which have an internal lamellar structure by further microphase-separation of PAA-b-PS branches in 2D. Moreover, Ag nanoparticles are aligned by PAA segments along the disk to form a pattern.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36000
Appears in Collections:高分子物理与化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Lab Polymer Phys & Chem, Beijing 100190, Peoples R China
2.Sun Yat Sen Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Polymer Composite & Funct Mat, Guangzhou 510275, Guangdong, Peoples R China
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