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题名: Local Grafting of Ionic Liquid in Poly(vinylidene fluoride) Amorphous Region and the Subsequent Microphase Separation Behavior in Melt
作者: Xing, CY; Li, JY; Yang, CM; Li, YJ
刊名: MACROMOLECULAR RAPID COMMUNICATIONS
出版日期: 2016
卷号: 37, 期号:19, 页码:1559-1565
关键词: block-like copolymers ; crystalline template ; locally grafting ; microphase separation
DOI: 10.1002/marc.201600228
通讯作者: Li, YJ (reprint author), Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, 16 Xuelin Rd, Hangzhou 310036, Zhejiang, Peoples R China.
文章类型: 期刊论文
英文摘要: Polymer-based nanostructures can be generally created by self-assembly of block copolymers that are commonly synthesized by living radical polymerization. In this study, a new strategy is proposed to fabricate block-like copolymers by using the template of binary phase structure of semicrystalline polymers. Poly(vinylidene fluoride) (PVDF) is thermodynamically miscible with an unsaturated ionic liquid (IL) (1-vinyl-3-ethylimidazolium tetrafluoroborate) in the melt and IL molecules are expelled out from the crystalline parts during the crystallization of PVDF. Therefore, the IL molecules are only located at the amorphous region of PVDF crystals. The electron beam irradiation of the IL incorporated PVDF leads to the local grafting of IL molecules onto the PVDF molecular chains in the amorphous region, so block-like grafting polymer chains of crystalline PVDF-b (amorphous PVDF-g-IL)-b-crystalline PVDF can be achieved. The subsequent heating of the irradiated sample induces the microphase separation of PVDF-g-IL from the ungrafted PVDF chains.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000386630800001
ISSN号: 1022-1336
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26563
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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