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Semicrystalline Polymer Binary-Phase Structure Templated Quasi-Block Graft Copolymers
Guan, JP; Wang, YY; Xing, CY; Ye, LJ; Li, YJ; Li, JY
2017
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
ISSN1520-6106
Volume121Issue:31Pages:7508-7518
Subtype期刊论文
AbstractHerein, we report a simple strategy to synthesize quasi-block graft copolymers using the binary phase structure of semicrystalline polymers as the template. An unsaturated ionic liquid, 1-vinyl-3-butylimidazolium bis (trifluoromethylsulfonyl) imide ([VBIm] [TFSI]), is thermodynamically miscible with poly(vinylidene fluoride-co-hexa-fluoropropylene) (P(VDF-co-HFP)) in solution. The solidification of P(VDF-co-HFP)/[VBIm] [TFSI] blend leads to the expelling of ILs from the crystalline region and the ILs are only located in the amorphous region. The electron-beam irradiation (EBI) at the solid state of the blends results in the locally grafting of the ILs onto the polymer blocks in the amorphous region, while the EBI does not affect the chemical structure of the crystalline region. Therefore, the quasi-block graft copolymers were achieved with IL-grafted blocks segregated by the unmodified blocks. The achieved block copolymers can be microphase separated into the various nanostructures, as the block copolymers with well-defined structure, upon varying the grafting ratios. The microphase separated quasi-block grafted copolymers exhibit excellent mechanical properties and good electrical properties. The elongation at break is 480% and the stress at break is as high as 30 MPa for the sample with the lamellar-like structure having the grafting ratio of 45.4 wt%.
KeywordTransfer Radical Polymerization Ionic Liquid Gel Electrolytes Poly(Vinylidene Fluoride) Anionic Polymerizations Hydroxide Conductivity Exchange Membrane Proton Transport Tie Molecules Fuel-cells
DOI10.1021/acs.jpcb.7b05069
WOS KeywordTRANSFER RADICAL POLYMERIZATION ; IONIC LIQUID ; GEL ELECTROLYTES ; POLY(VINYLIDENE FLUORIDE) ; ANIONIC POLYMERIZATIONS ; HYDROXIDE CONDUCTIVITY ; EXCHANGE MEMBRANE ; PROTON TRANSPORT ; TIE MOLECULES ; FUEL-CELLS
Indexed BySCI
Language英语
WOS IDWOS:000407655800013
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28812
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Guan, JP,Wang, YY,Xing, CY,et al. Semicrystalline Polymer Binary-Phase Structure Templated Quasi-Block Graft Copolymers[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2017,121(31):7508-7518.
APA Guan, JP,Wang, YY,Xing, CY,Ye, LJ,Li, YJ,&Li, JY.(2017).Semicrystalline Polymer Binary-Phase Structure Templated Quasi-Block Graft Copolymers.JOURNAL OF PHYSICAL CHEMISTRY B,121(31),7508-7518.
MLA Guan, JP,et al."Semicrystalline Polymer Binary-Phase Structure Templated Quasi-Block Graft Copolymers".JOURNAL OF PHYSICAL CHEMISTRY B 121.31(2017):7508-7518.
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