Structurally and chemically heterogeneous nanofibrous nonwovens via electrospinning

Title data

Holzmeister, Andreas ; Rudisile, Markus ; Greiner, Andreas ; Wendorff, Joachim H.:
Structurally and chemically heterogeneous nanofibrous nonwovens via electrospinning.
In: European Polymer Journal. Vol. 43 (2007) Issue 12 . - pp. 4859-4867.
ISSN 1873-1945
DOI: https://doi.org/10.1016/j.eurpolymj.2007.09.014

Official URL:

Abstract in another language

Homogeneous nonwovens composed of polymer nanofibers of a given diameter are characterized by structural parameters such as the average pore sizes and internal surfaces as well as by transport properties, which are strongly correlated to the fiber diameter Lit a given porosity. Such nonwovens are used among others for filter applications, protective clothing or as scaffolds for tissue engineering. A frequent requirement is that, to be able to prepare nonwovens optimised for the specific application, one has to find ways to disrupt this strong correlation allowing independent modification of pore diameter, transport properties and internal Surface or to induce local chemical and Structural heterogeneities within the nonwoven. The route explored in this paper is based on the electrospinning of heterogeneous nonwovens composed of nanofibers with two different average diameters (by a ratio of up to 10 and more) on the one hand and/or different chemical nature on the other hand. Spinning parameters have been optimised to achieve this goal. In addition, nonwovens composed of fibers with circular cross-section and with ribbon-like cross-section have been prepared. (c) 2007 Elsevier Ltd. All right reserved.

Further data

Item Type:	Article in a journal
Refereed:	Yes
Keywords:	electrospinning; heterogenity; nonwoven; porosity; structure
Institutions of the University:	Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner Faculties Faculties > Faculty of Biology, Chemistry and Earth Sciences Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT:	No
DDC Subjects:	500 Science > 540 Chemistry
Date Deposited:	07 Apr 2015 12:03
Last Modified:	21 Dec 2023 10:56
URI:	https://eref.uni-bayreuth.de/id/eprint/9664