Immobilization of Ionic Liquids onto the Poly(vinylidene fluoride) by Electron Beam Irradiation
Xing, CY; Wang, YY; Zhang, C; Li, LF; Li, YJ; Li, JY; Li, YJ (reprint author), Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, 16 Xuelin Rd, Hangzhou 310036, Zhejiang, Peoples R China.
2015
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
卷号54期号:38页码:9351—9359
文章类型期刊文献
摘要An unsaturated room-temperature ionic liquid (IL), 1-vinyl-3-butylimidazolium chloride [VBIM][Cl], has been grafted onto poly(vinylidene fluoride) (PVDF) by electron beam irradiation at room temperature. The structure and physical properties of IL grafted PVDF (PVDF-g-IL) were investigated. Both the extraction experiments and H-1 NMR results indicated the successful grafting of IL onto PVDF molecular chains. It was calculated that IL grafting yield was approximately 3.9 per 100 repeating units of PVDF, suggesting very short IL grafting sequences. The melting temperatures (T-m) of the PVDF-g-IL films decreased with absorbed dose, suggesting the occurrence of crystal defects of PVDF caused by the irradiation. However, the morphologies, crystal forms and crystal long periods (L) of PVDF-g-IL films were not significantly influenced by the irradiation. Moreover, the effects of IL grafting and absorbed dose on physical properties of PVDF-g-IL films were investigated. It was found that the irradiation could immobilize IL molecules onto PVDF chains and thus suppressed their migration in electric filed. Therefore, the grafted samples showed lower dielectric loss, electrical conductivity as well as dielectric permittivity compared with the unirradiated blends. Moreover, the elongation at break of the grafted PVDF decreased with the applied irradiation dose, but the Young's modulus increased. The as-prepared PVDF-g-IL composites exhibited large dielectric permittivity, low dielectric loss and, in particular, excellent toughness, which is promising for use in dielectric capacitor applications.
关键词High Dielectric-constant Carbon Nanotubes Nanocomposites Composites Films Conductivity Permittivity Batio3 Nanoparticles Transparent
语种英语
WOS记录号WOS:000362243400010
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/24949
专题中科院上海应用物理研究所2011-2018年
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.
推荐引用方式
GB/T 7714
Xing, CY,Wang, YY,Zhang, C,et al. Immobilization of Ionic Liquids onto the Poly(vinylidene fluoride) by Electron Beam Irradiation[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2015,54(38):9351—9359.
APA Xing, CY.,Wang, YY.,Zhang, C.,Li, LF.,Li, YJ.,...&Li, YJ .(2015).Immobilization of Ionic Liquids onto the Poly(vinylidene fluoride) by Electron Beam Irradiation.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,54(38),9351—9359.
MLA Xing, CY,et al."Immobilization of Ionic Liquids onto the Poly(vinylidene fluoride) by Electron Beam Irradiation".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 54.38(2015):9351—9359.
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