Preparation of poly(vinylidene fluoride) (PVDF)/dopamine-modified sodium montmorillonite (D-MMT) composite membrane with the enhanced permeability and the mechanical property

doi:10.5004/dwt.2019.23461

	Preparation of poly(vinylidene fluoride) (PVDF)/dopamine-modified sodium montmorillonite (D-MMT) composite membrane with the enhanced permeability and the mechanical property
	Ying Cai; Lu J(吕剑); Jun Wu
发表期刊	Desalination and Water Treatment
ISSN	1944-3994
	2019
卷号	141 期号:0 页码:95-105
关键词	Membrane Water Treatment
研究领域	Engineering, Chemical ; Water Resources
DOI	10.5004/dwt.2019.23461
产权排序	[Cai, Ying; Lu, Jian] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; [Wu, Jun] Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
作者部门	海岸带环境过程实验室
英文摘要	Dopamine modified sodium montmorillonite (D-MMT) was firstly used as the inorganic filler of polyvinylidene fluoride (PVDF) composite membranes via nonsolvent induced phase separation (NIPS) method. The surface modification sodium-montmorillonite (Na-MMT) was characterized by Fourier transform infrared (FTIR), thermo gravimetric analysis (TGA), X-ray diffraction (XRD) and transmission electron microscopy (TEM). The X-ray photoelectron spectroscopic (XPS) spectra and elemental mapping demonstrated that the D-MMT was incorporation and uniformly dispersed into PVDF composite membranes. Results showed that the incorporation of D-MMT into PVDF composite membranes significantly improved the mechanical property and hydrophilicity at a low D-MMT loading. The addition of 0.8 wt% D-MMT not only altered the morphology and structure of membranes, but also drastically increased tensile strength from 1.98 to 2.63 Mpa while elongation at break increased from 58% to 126%. In addition, the pure water flux of membranes increased by almost 50% from 15 to 22 L m(-2) h(-1) when 0.8 wt% D-MMT was added. These results suggested that the surface modification of Na-MMT played an important role inimproving mechanical properties and pure water flux of PVDF composite membranes.
文章类型	Article
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41671319, 41877131] ; One Hundred Talents Program of Chinese Academy of SciencesChinese Academy of Sciences [Y629041021, Y610061033] ; Taishan Scholar Program of Shandong Province ; Natural Science Foundation of Shandong ProvinceNatural Science Foundation of Shandong Province [ZR2014BQ005] ; Key Research Program of Frontier Sciences of CAS [QYZDJ-SSW-DQC015] ; Two Hundred Talents Program of Yantai [Y739011021]
收录类别	SCIE
语种	英语
关键词[WOS]	PVDF ULTRAFILTRATION MEMBRANE ; MIXED MATRIX MEMBRANES ; GRAPHENE OXIDE GO ; NANOCOMPOSITE MEMBRANES ; SURFACE-CHEMISTRY ; PHASE-SEPARATION ; PERFORMANCE ; CLAY ; ANTIBACTERIAL ; HYDROPHILICITY
研究领域[WOS]	Engineering, Chemical ; Water Resources
WOS记录号	WOS:000458916700010
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/24181
专题	中国科学院海岸带环境过程与生态修复重点实验室
通讯作者	Lu J(吕剑)
推荐引用方式 GB/T 7714	Ying Cai,Lu J,Jun Wu. Preparation of poly(vinylidene fluoride) (PVDF)/dopamine-modified sodium montmorillonite (D-MMT) composite membrane with the enhanced permeability and the mechanical property[J]. Desalination and Water Treatment,2019,141(0):95-105.
APA	Ying Cai,Lu J,&Jun Wu.(2019).Preparation of poly(vinylidene fluoride) (PVDF)/dopamine-modified sodium montmorillonite (D-MMT) composite membrane with the enhanced permeability and the mechanical property.Desalination and Water Treatment,141(0),95-105.
MLA	Ying Cai,et al."Preparation of poly(vinylidene fluoride) (PVDF)/dopamine-modified sodium montmorillonite (D-MMT) composite membrane with the enhanced permeability and the mechanical property".Desalination and Water Treatment 141.0(2019):95-105.

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