Improving the Water-Repellent and Antifungal Properties of Electrospun Cellulose Acetate Materials by Decoration with ZnO Nanoparticles

• Autorzy: Nachev Nasko , Spasova Mariya , Manolova Nevena , Rashkov Iliya , Naydenov Mladen

Identyfikatory

DOI

10.5604/01.3001.0014.7786

Warianty tytułu

PL

Poprawa właściwości hydrofobowych i przeciwgrzybicznych materiałów z elektroprzędzonego octanu celulozy poprzez zastosowanie nanocząsteczek ZnO

• Języki publikacji: EN

Abstrakty

EN

Suitable conditions for the preparation of nano- and microstructured materials from cellulose acetate and cellulose acetate/ZnO from solutions/suspensions in aceton/water by electrospinning/electrospraying were found. The materials obtained were characterised by scanning electron microscopy (SEM), X-ray diffraction analysis (XRD) and contact angle measurements. The antifungal activity of the materials obtained against Phaeomoniella chlamydospora, which is one of the main species causing diseases in grapevines, was studied as well. It was found that electrospinning of CA solutions with a concentration of 10 wt% reproducibly resulted in the preparation of defect-free fibres with a mean fibre diameter of ~780 nm. The incorporation of ZnO nanoparticles resulted in the fabrication of hybrid materials with superhydrophobic properties (contact angle 152°). The materials decorated with ZnO possessed antifungal activity against P. chlamydospora. Thus, the fibrous materials of cellulose acetate decorated with ZnO particles obtained can be suitable candidates to find potential application in agriculture for plant protection.

PL

W pracy wskazano odpowiednie warunki do otrzymywania materiałów nano- i mikrostrukturalnych z octanu celulozy i octanu celulozy/ZnO z roztworów/zawiesin w acetonie/wodzie metodą elektroprzędzenia/elektrorozpylania. Uzyskane materiały scharakteryzowano za pomocą skaningowej mikroskopii elektronowej (SEM), dokonano analizy dyfrakcji rentgenowskiej (XRD) oraz pomiarów kąta zwilżania. Zbadano również działanie przeciwgrzybiczne uzyskanych materiałów przeciwko Phaeomoniella chlamydospora, który jest jednym z głównych gatunków wywołujących choroby winorośli. Stwierdzono, że podczas elektroprzędzenia z roztworów CA o stężeniu 10% wag. w sposób powtarzalny otrzymywano włókna wolne od defektów o średniej średnicy ~ 780 nm. Wprowadzenie nanocząstek ZnO zaowocowało wytworzeniem materiałów hybrydowych o właściwościach superhydrofobowych (kąt zwilżania 152°). Materiały z dodatkiem ZnO wykazywały działanie przeciwgrzybiczne przeciwko P. chlamydospora. Stwierdzono, że otrzymane materiały mogą być stosowane w rolnictwie do ochrony roślin.

Słowa kluczowe

EN

cellulose acetate; zinc oxide; electrospinning; electrospraying; superhydrophobicity; Phaeomoniella chlamydospora

PL

octan celulozy; tlenek cynku; elektroprzędzenie; elektrorozpylanie; superhydrofobowość; Phaeomoniella chlamydospora

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2021
• Tom: Vol. 29, no. 3 (147)
• Strony: 40--45
• Opis fizyczny: Bibliogr. 27 poz., rys.

Twórcy

autor

Nachev Nasko

• Bulgarian Academy of Sciences, Institute of Polymers, Laboratory of Bioactive Polymers, Acad. G. Bonchev St, bl. 103A, BG-1113 Sofia, Bulgaria

autor

Spasova Mariya

• Bulgarian Academy of Sciences, Institute of Polymers, Laboratory of Bioactive Polymers, Acad. G. Bonchev St, bl. 103A, BG-1113 Sofia, Bulgaria

autor

Manolova Nevena

• Bulgarian Academy of Sciences, Institute of Polymers, Laboratory of Bioactive Polymers, Acad. G. Bonchev St, bl. 103A, BG-1113 Sofia, Bulgaria

autor

Rashkov Iliya

• Bulgarian Academy of Sciences, Institute of Polymers, Laboratory of Bioactive Polymers, Acad. G. Bonchev St, bl. 103A, BG-1113 Sofia, Bulgaria

autor

Naydenov Mladen

• Agricultural University, Department of Microbiology, BG-4000 Plovdiv, Bulgaria

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).