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Controlled synthesis of amphiphilic graft copolymer for superhydrophobic electrospun fibres with effective surface fluorine enrichment: the role of electric field and solvent
Guo, Yudi1,2; Tang, Dongyan1; Zhao, Erqing3; Yu, Zaiqian1; Lv, Haitao1; Li, Xinyu1
2015
Source PublicationRSC ADVANCES
Volume5Issue:101Pages:82789-82799
SubtypeArticle
AbstractEffective surface fluorine enrichment has great potential application value for superhydrophobic electrospun films, which has presented a challenge to researchers. The aim is expected to be achieved by electrospinning functional polymers with controlled structure based on the polarization characteristics of functional groups in polymer chains and their directional ordering induced by an electric field. Herein, an amphiphilic graft copolymer of poly(methyl methacrylate-ran-hydroxypropyl acrylate)-graft-poly(dodecafluoroheptyl methacrylate) (PMMA-r-PHPA-g-PDFMA) was synthesized by the combination of free radical polymerization and atom transfer radical polymerization (ATRP). Superhydrophobic fibrous films with high surface fluorine atomic content of 29.1% and even up to 34.8% were fabricated by eletrospinning the resultant fluoropolymer. It is concluded that the electric field can drive the surface segregation of positively charged fluorinated groups and bulk segregation of negatively charged -OH groups, thus contributing to the effective surface fluorine enrichment, which was confirmed by XPS results. Additionally, we also found that the superhydrophobicity of electrospun films has no apparent dependence on fibre morphologies. The variation in the surface wettability can be attributed to the difference in surface compositions obtained by changing the applied electric field strength and solvents. This research would present potential application prospects in fabricating high surface fluorinated superhydrophobic electrospun fibres or novel surface functionalized electrospun fibres.
DOI10.1039/c5ra15317d
Indexed BySCI
Language英语
WOS IDWOS:000362438300022
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/52154
Collection海洋腐蚀与防护研究发展中心
Affiliation1.Harbin Inst Technol, Sch Sci, Dept Chem, Harbin 150001, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
Recommended Citation
GB/T 7714
Guo, Yudi,Tang, Dongyan,Zhao, Erqing,et al. Controlled synthesis of amphiphilic graft copolymer for superhydrophobic electrospun fibres with effective surface fluorine enrichment: the role of electric field and solvent[J]. RSC ADVANCES,2015,5(101):82789-82799.
APA Guo, Yudi,Tang, Dongyan,Zhao, Erqing,Yu, Zaiqian,Lv, Haitao,&Li, Xinyu.(2015).Controlled synthesis of amphiphilic graft copolymer for superhydrophobic electrospun fibres with effective surface fluorine enrichment: the role of electric field and solvent.RSC ADVANCES,5(101),82789-82799.
MLA Guo, Yudi,et al."Controlled synthesis of amphiphilic graft copolymer for superhydrophobic electrospun fibres with effective surface fluorine enrichment: the role of electric field and solvent".RSC ADVANCES 5.101(2015):82789-82799.
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