Semicrystalline Polymer Binary-Phase Structure Templated Quasi-Block Graft Copolymers

doi:10.1021/acs.jpcb.7b05069

CAS OpenIR > 中科院上海应用物理研究所2011-2018年

	Semicrystalline Polymer Binary-Phase Structure Templated Quasi-Block Graft Copolymers
	Guan, JP; Wang, YY; Xing, CY; Ye, LJ; Li, YJ; Li, JY
	2017
Source Publication	JOURNAL OF PHYSICAL CHEMISTRY B
ISSN	1520-6106
Volume	121 Issue:31 Pages:7508-7518
Subtype	期刊论文
Abstract	Herein, 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%.
Keyword	Transfer Radical Polymerization Ionic Liquid Gel Electrolytes Poly(Vinylidene Fluoride) Anionic Polymerizations Hydroxide Conductivity Exchange Membrane Proton Transport Tie Molecules Fuel-cells
DOI	10.1021/acs.jpcb.7b05069
WOS Keyword	TRANSFER RADICAL POLYMERIZATION ; IONIC LIQUID ; GEL ELECTROLYTES ; POLY(VINYLIDENE FLUORIDE) ; ANIONIC POLYMERIZATIONS ; HYDROXIDE CONDUCTIVITY ; EXCHANGE MEMBRANE ; PROTON TRANSPORT ; TIE MOLECULES ; FUEL-CELLS
Indexed By	SCI
Language	英语
WOS ID	WOS:000407655800013
Citation statistics
Document Type	期刊论文
Identifier	http://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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