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Synthesis and Hierarchical Self-Assembly of Rod Rod Block Copolymers via Click Chemistry between Mesogen-Jacketed Liquid Crystalline Polymers and Helical Polypeptides
Zhou, Qing-Han; Zheng, Ju-Kuan; Shen, Zhihao; Fan, Xing-He; Chen, Xiao-Fang; Zhou, Qi-Feng
2010-07-13
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume43Issue:13Pages:5637-5646
AbstractA series of novel rod-rod diblock copolymers containing poly{2,5-bis[(4-methoxyphenyl)oxycarbonyl]styrene} (PMPCS) and poly(gamma-benzyl-L-glutamate) (PBLG) were synthesized by click chemistry from alkyne- and azide-functionalized homopolymers The alpha-alkyne PM PCS homopolymers were synthesized by coppei -mediated atom ti ansfer radical polymerization with a In online-containing a-alkyne bifun( tional initiator, and a-azido PBLG homopolymers were synthesized by ring-opening polymerization of gamma-benzyl-L-glutamate N-car boxyanhydnde with an amino-containing a-azide mina tor The no struceares of the rod-rod block copcdymeis were confirmed by H-1 NM R spectroscopy, Fourier transform int) an.rd spectroscopy, and gel permeation chromatography analysis The self-assembling behavior of the rod t od block copolymers in bulk was investigated using differential scanning calonmetry, polar Ind light micro;copy, wide-angle X-ray diffraction, and transmission electron microscopy techniques A lamellar structure was observed with of f(PBLG) similar to 0 50, in which PMPCS was in a columnar nematie phase and PBLG assigned to a hexagonally packed-cylinder structure (Phi(II)) According to the TEM micrographs and simulated lengths of the copolymers. a stacked bdayei structure in a hexagon in lamella morphology for the selfassembly of the rod rod block copolymers was proposed Finally, by increasing f(PBLG) to similar to 0 69, a micro?hase-sepat riled hexagon in cylinder morphology was found, in which PM PCS formed the core of the cylinders sur rounded by PBLG in Phi(II) phase and both rods were in an inter digitated packing
DOI10.1021/ma1007418
Indexed BySCI
Language英语
WOS IDWOS:000279573600025
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69800
Collection中国科学院化学研究所
Corresponding AuthorShen, Zhihao
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, Key Lab Polymer Chem & Phys, Minist Educ,Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Qing-Han,Zheng, Ju-Kuan,Shen, Zhihao,et al. Synthesis and Hierarchical Self-Assembly of Rod Rod Block Copolymers via Click Chemistry between Mesogen-Jacketed Liquid Crystalline Polymers and Helical Polypeptides[J]. MACROMOLECULES,2010,43(13):5637-5646.
APA Zhou, Qing-Han,Zheng, Ju-Kuan,Shen, Zhihao,Fan, Xing-He,Chen, Xiao-Fang,&Zhou, Qi-Feng.(2010).Synthesis and Hierarchical Self-Assembly of Rod Rod Block Copolymers via Click Chemistry between Mesogen-Jacketed Liquid Crystalline Polymers and Helical Polypeptides.MACROMOLECULES,43(13),5637-5646.
MLA Zhou, Qing-Han,et al."Synthesis and Hierarchical Self-Assembly of Rod Rod Block Copolymers via Click Chemistry between Mesogen-Jacketed Liquid Crystalline Polymers and Helical Polypeptides".MACROMOLECULES 43.13(2010):5637-5646.
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