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Effect of Sulfonation Degree and PVDF Content on the Structure and Transport Properties of SPEEK/PVDF Blend Membranes
He, Shaojian1; Zhai, Shaoxiong1; Zhang, Chong2; Xue, Yang3; Yang, Wei2; Lin, Jun1
2019-04-01
Source PublicationPOLYMERS
Volume11Issue:4Pages:12
AbstractSulfonated poly (ether ether ketone) (SPEEK) with four different sulfonation degrees (SDs) were prepared, and mixed with polyvinylidene fluoride (PVDF) to prepare four series of SPEEK/PVDF blend membranes. The miscibility between SPEEK and PVDF was investigated by observing the micro-morphologies. The miscible blend membranes were found in the SPEEK/PVDF blend membranes in which either SPEEK had relatively low SD or consisted of low content of one component (either SPEEK or PVDF). The PVDF crystallinity was found to decrease in the SPEEK/PVDF membranes that had better blend miscibility. With the increase of PVDF content, all the blend membranes exhibited the decreased proton conductivity and methanol permeability, and the miscible blend membranes decreased more slowly than the immiscible ones.
Keywordsulfonated poly (ether ether ketone) polyvinylidene fluoride blend membrane sulfonation degree transport properties
DOI10.3390/polym11040676
Language英语
WOS KeywordPOLY(ETHER ETHER KETONE) ; PROTON-EXCHANGE MEMBRANES ; POLY(VINYLIDENE FLUORIDE) ; COMPOSITE MEMBRANES ; METHANOL ; PERFORMANCE ; TEMPERATURE
Funding ProjectNational Natural Science Foundation of China, China[51773058] ; State Key Laboratory of Advanced Power Transmission Technology, China[GEIRI-SKL-2018-014] ; National Engineering Laboratory for Ultra High Voltage Engineering Technology (Kunming, Guangzhou), China[NEL201808] ; Fundamental Research Funds for the Central Universities, China[2016YQ08] ; National Natural Science Foundation of China[51773058]
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
Funding OrganizationNational Natural Science Foundation of China, China ; State Key Laboratory of Advanced Power Transmission Technology, China ; National Engineering Laboratory for Ultra High Voltage Engineering Technology (Kunming, Guangzhou), China ; Fundamental Research Funds for the Central Universities, China ; National Natural Science Foundation of China
WOS IDWOS:000467312900105
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28255
Collection中国科学院过程工程研究所
Corresponding AuthorXue, Yang; Lin, Jun
Affiliation1.North China Elect Power Univ, Beijing Key Lab Energy Safety & Clean Use, Beijing 102206, Peoples R China
2.Global Energy Interconnect Res Inst, State Key Lab Adv Power Transmiss Technol, Beijing 102211, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
He, Shaojian,Zhai, Shaoxiong,Zhang, Chong,et al. Effect of Sulfonation Degree and PVDF Content on the Structure and Transport Properties of SPEEK/PVDF Blend Membranes[J]. POLYMERS,2019,11(4):12.
APA He, Shaojian,Zhai, Shaoxiong,Zhang, Chong,Xue, Yang,Yang, Wei,&Lin, Jun.(2019).Effect of Sulfonation Degree and PVDF Content on the Structure and Transport Properties of SPEEK/PVDF Blend Membranes.POLYMERS,11(4),12.
MLA He, Shaojian,et al."Effect of Sulfonation Degree and PVDF Content on the Structure and Transport Properties of SPEEK/PVDF Blend Membranes".POLYMERS 11.4(2019):12.
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