Macrocycle-Terminated Core-Cross-Linked Star Polymers: Synthesis and Characterization
Peng, Yun1; Liu, Hewen1; Zhang, Xingyuan1; Liu, Shiyong1; Li, Yuesheng2
Source PublicationMACROMOLECULES
AbstractWe have synthesized macrocyclic polystyrene- (PS-) terminated PS star polymers via a core-cross-linking approach in this work. A tadpole-shaped macrocyclic PS-linear-PS copolymer was synthesized at first via click chemistry and ATRP polymerization method. The "living" ATRP initiating chain-ends of the tadpole-shaped copolymers were linked together via ATRP polymerization with divinylbenzene to form a core-cross-linked macrocyclic star polymer. The number of arms attached to the macrocyclic star polymers was measured with NMR. and absolute molecular weights with gel permeation chromatography (GPC) with multiangle laser light scattering detector. These macrocyclic star polymers had a highly cross-linked core and many radiating arms. The shorter tadpole-shaped precursors caused core-cross-linked star polymers with higher molecular weights and more arm numbers. The macrocycle-terminated core-cross-linked star polymers showed two glass transition temperatures, one arising from the linear branches and another from the macrocycles.
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WOS IDWOS:000269635900017
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Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiu, Hewen
Affiliation1.Univ Sci & Technol China, Dept Polymer Sci & Engn, CAS Key Lab Soft Matter Chem, Hefei 230026, Anhui, Peoples R China
2.State Key Lab Polymer Phys & Chem, Changchun, Peoples R China
Recommended Citation
GB/T 7714
Peng, Yun,Liu, Hewen,Zhang, Xingyuan,et al. Macrocycle-Terminated Core-Cross-Linked Star Polymers: Synthesis and Characterization[J]. MACROMOLECULES,2009,42(17):6457-6462.
APA Peng, Yun,Liu, Hewen,Zhang, Xingyuan,Liu, Shiyong,&Li, Yuesheng.(2009).Macrocycle-Terminated Core-Cross-Linked Star Polymers: Synthesis and Characterization.MACROMOLECULES,42(17),6457-6462.
MLA Peng, Yun,et al."Macrocycle-Terminated Core-Cross-Linked Star Polymers: Synthesis and Characterization".MACROMOLECULES 42.17(2009):6457-6462.
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