Crystallization Behavior of Nanostructured Poly(vinylidene fluoride)/1-Vinyl-3-butylimidazolium Chloride Ionic Liquid Composites
Xing, CY; Wang, YY; Li, YJ; Li, JY; Li, YJ (reprint author), Hangzhou Normal Univ, Coll Mat Chem & Chem Engn, Hangzhou 310036, Zhejiang, Peoples R China.
2016
发表期刊CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
卷号37期号:4页码:775—780
文章类型期刊文献
摘要The effect of poly( vinylidene fluoride)-graft-( 1-vinyl-3-butylimidazolium chloride [ VBIM][ Cl]) ( i. e. PVDF-g-[ VBIM] [ Cl]) nanodomains on the crystallization behavior in nanostructured PVDF/ [ VBIM][ Cl] composite was investigated by means of differential scanning calorimeter ( DSC), polarized optical microscope( POM) and wide. angle X-ray diffractometer( WAXD) measurements. H-1 nuclear magnetic resonance ( H-1 NMR) results confirm the successful grafting of [ VBIM] [ Cl] onto the PVDF chains. Transmission electron microscopy( TEM) images show PVDF-g-[ VBIM][ Cl] nanodomains in the nanostruc. tured PVDF/ [ VBIM] [ Cl] ( 100/ 8, mass ratio) composite, which is distinct from the miscible PVDF/ [ VBIM][ Cl] blend prepared by physically blending. The DSC results show higher crystallization temperature ( T-c) and shorter crystallization time in the nanostructured PVDF/ [ VBIM][ Cl] composite, compared with those of neat PVDF and PVDF/ [ VBIM] [ Cl] blend( 100/ 8), respectively, indicating that nanodomains enhanced the crystallization rate of the PVDF crystals. Moreover, a larger nucleation density accompanied with smaller spherulites was observed in the nanostructured sample by POM photos. It is considered that strong thermodynamic incompatibility of nanodomains with PVDF matrix caused a large amount of partially ordered molecular chains at their interface, which favorites the nucleus formation and thus improves the entire crystallization rate of the PVDF crystals. Because of the confinement of [ VBIM][ Cl] within nanodomains, dominant non. polar. crystals were found in the nanostructured sample, which was the same with that of neat PVDF.
关键词Piezoelectric Beta-polymorph Poly(Methyl Methacrylate) Carbon Nanotubes Nanocomposites Plasticizers Permittivity Conductivity Matrix
DOI10.7503/cjcu20150822
收录类别SCI
语种英语
WOS记录号WOS:000372874200026
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25675
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, Hangzhou 310036, Zhejiang, Peoples R China.
推荐引用方式
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Xing, CY,Wang, YY,Li, YJ,et al. Crystallization Behavior of Nanostructured Poly(vinylidene fluoride)/1-Vinyl-3-butylimidazolium Chloride Ionic Liquid Composites[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2016,37(4):775—780.
APA Xing, CY,Wang, YY,Li, YJ,Li, JY,&Li, YJ .(2016).Crystallization Behavior of Nanostructured Poly(vinylidene fluoride)/1-Vinyl-3-butylimidazolium Chloride Ionic Liquid Composites.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,37(4),775—780.
MLA Xing, CY,et al."Crystallization Behavior of Nanostructured Poly(vinylidene fluoride)/1-Vinyl-3-butylimidazolium Chloride Ionic Liquid Composites".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 37.4(2016):775—780.
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