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2015 | 11 | 7-20

Article title

Otrzymywanie włókien alginianowych i chitozanowych metodą elektroprzędzenia

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PL

Abstracts

PL
Elektroprzędzenie (ang. electrospinning) jest prostą i efektywną techniką pozwalającą na produkcję włókien polimerowych. W metodzie elektroprzędzenia siły elektrostatyczne są używane do produkcji włókien lub sfer o różnej morfologii i rozmiarach w skali mikro- i nanometrów. Obecnie ponad 100 polimerów, naturalnych i syntetycznych, zostało z powodzeniem wytworzonych w procesie elektroprzędzenia. Na proces elektroprzędzenia wpływa wiele parametrów, między innymi lepkość roztworu, średnia masa cząsteczkowa polimeru, przyłożone napięcie, prędkość przepływu. Elektroprzędzenie biopolimerów, alginianu i chitozanu jest wyzwaniem. Te dwa naturalne polimery charakteryzują się niską toksycznością, biodegradowalnością i właściwościami antybakteryjnymi, co jest szeroko wykorzystywane i pożądane w aplikacjach biomedycznych. W prezentowanej pracy omówiono wpływ warunków elektroprzędzenia na proces otrzymywania włókien alginianowych domieszkowanych poli(tlenkiem etylenu) i włókien chitozanowych otrzymywanych z roztworu kwasu trifluorooctowego i dichlorometanu.
EN
Electrospinning is a simple and efficient method of polymer fibers fabrication. In this method electrostatic forces are used to obtain fibers or particles with different morphology and size from micro- to nanometers. Nowadays more than 100 polymers, natural or synthetic ones, have been successfully electrospun into fibers. Electrospinning process is affected by various different parameters such as viscosity, polymer’s average molecular mass, voltage, flow rate, etc. Electrospinning of biopolymers, alginate and chitosan, is difficult. Both of these polymers are non-toxic, biodegradable and possess antibacterial properties, all these properties are desirable in biomedical applications. In the presented work an influence of parameters of electrospinning on process of obtaining of alginate and chitosan fibers was presented and discussed. Alginate fibers were obtained with poly(ethylene oxide), while chitosan fibers were prepared from trifluoroacetic acid and dichloromethane solution.

Contributors

  • Uniwersytet Jagielloński
author
  • University of Zaragoza
  • Uniwersytet Jagielloński

References

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bwmeta1.element.psjd-0ba1d069-0622-4923-a4a6-115c7faefa54
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