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Electrospinning of Fluorinated Polymers: Formation of Superhydrophobic Surfaces

Title data

Agarwal, Seema ; Horst, Sven ; Bognitzki, Michael:
Electrospinning of Fluorinated Polymers: Formation of Superhydrophobic Surfaces.
In: Macromolecular Materials and Engineering. Vol. 291 (16 June 2006) Issue 6 . - pp. 592-601.
ISSN 1438-7492
DOI: https://doi.org/10.1002/mame.200600076

Official URL: Volltext

Abstract in another language

Summary: Superhydrophobic surfaces are generated by a simple one-step method of electrospinning of fluorinated homopolymers and copolymers of PFS. The hydrophobicity and superhydrophobicity can be changed by simply changing the surface morphology, which is possible by changing the electrospinning conditions. The appropriate combination of surface morphology and fluorinated materials led to the formation of super-water-resistant coatings showing the ‘water-roll’ effect at an angle of 0°, i.e. placement of water droplets on such surfaces was not possible as they immediately rolled away. The effect is compared with the corresponding nonfluorinated PS and found to be clearly distinct in terms of water-roll effect. Incorporation of about 30 mol- PFS onto the PS backbone could also convert hydrophobic PS surfaces to superhydrophobic surfaces. The effect is generalized by also using a new fluorinated poly(p-xylylene) derivative. The molecular weight of the polymers has no noticeable effect on hydrophobicity/superhydrophobicity behavior.SEM micrographs PFS–styrene copolymer, 10 solution in THF:DMF (1:1 v/v); 5 solution in THF:DMF (1:1 v/v) and homo-PPFS < 2 solution in THF:DMF (1:1 v/v).

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: electrospinning; fluoropolymers; poly (p-xylylene) (PPX); superhydrophobicity; water-repellent surfaces
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Profile Fields > Advanced Fields > Polymer and Colloid Science
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Profile Fields
Profile Fields > Advanced Fields
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 02 Apr 2015 08:51
Last Modified: 02 Apr 2015 08:51
URI: https://eref.uni-bayreuth.de/id/eprint/9902