Production of Nanofibers by Blow Spinning from Polylactide Containing Propolis and Beeswax

Penconek, Agata; Kilarski, Maciej; Soczewka, Anna; Wojasiński, Michał; Moskal, Arkadiusz

doi:10.3390/fib12010008

Cited by 4 publications

(4 citation statements)

References 33 publications

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“…The polymer distributor was placed horizontally. temperatures, making them unsuitable for use in melt-blowing [23][24][25][26]. Such additives will give the fibre additional properties, e.g., bacteriostatic ones.…”

Section: Solution-blowing Fibres Productionmentioning

confidence: 99%

“…The results are shown in Figure 8. The PLA and PP fibres spectrum is typical for the PLA and PP fibres from the solution-blowing and melt-blowing spectrum described in the literature [26,33].…”

Section: Fibres' Characterisationmentioning

confidence: 99%

“…On the other hand, solution-blowing allows the introduction into the system of not only the nanometric fibres that enhance filtration efficiency but also fibres manufactured from materials or admixed with compounds that have lost their properties at high temperatures, making them unsuitable for use in melt-blowing [23][24][25][26]. Such additives will give the fibre additional properties, e.g., bacteriostatic ones.…”

Section: Introductionmentioning

confidence: 99%

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Combining Solution-Blowing and Melt-Blowing Techniques to Produce an Efficient Non-Woven Filter

Penconek,

Werner,

Moskal

2024

Processes

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New substances and particles appearing in the environment following technological development pose new challenges for separation methods. Moreover, the growing amount of waste also forces us to look for environmentally friendly solutions. One way to create filtration structures with the desired properties is to combine known techniques, thanks to which the advantages of one technique complement the deficiencies and disadvantages of another. Combining the melt-blowing and solution-blowing processes seems to be promising. Fibres created from melt-blowing will provide mechanical strength, while solution-blowing will allow the introduction of nanofibres into the structure with unique filtration and functional properties. Both methods enable working with biodegradable polymers, so the resulting filter can also be environmentally friendly after operation. Our research aimed to check whether combining two fibre production techniques (melt-blown and solution-blowing) is possible and how the joining method will affect the final product. We created a multilayer structure by placing a layer of solution-blowing nanofibres between melt-blown layers, and a mixed structure by simultaneous melt-blowing and solution-blowing. The created multilayer structure was characterised by high filtration efficiency and high-pressure drop. In contrast, the mixed structure achieved a high-quality factor and high mass of deposited droplets per 1 J of energy used for work.

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Section: Solution-blowing Fibres Productionmentioning

confidence: 99%

Section: Fibres' Characterisationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Combining Solution-Blowing and Melt-Blowing Techniques to Produce an Efficient Non-Woven Filter

Penconek,

Werner,

Moskal

2024

Processes

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“…On average, 2.5 kg of corn grain with a moisture content of 15% is needed to produce 1 kg of polylactide. However, this efficiency depends on the efficiency of the processes, i.e., conversion of starch to dextrose, dextrose to lactic acid, polymerization reaction and, to the greatest extent, on the starch content in the grain [11][12][13][14][15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Properties of Composites Based on Polylactide Filled with Cork Filler

Fabijański

2024

J. Compos. Sci.

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Introducing fillers into polymeric materials is one of the methods of modifying the properties or reducing the costs of polymeric materials. Thanks to their use, it is possible to obtain new materials with interesting mechanical and chemical properties. Some features are often improved among the new materials obtained, while others deteriorate. In this work, an attempt was made to obtain a polymer composite based on PLA filled with cork flour in amounts of 5%, 10%, 15%, 20% and 30% by weight. The processing and sample preparation process using injection molding technology was assessed and the basic mechanical properties were assessed. The research shows that it is possible to obtain PLA products with a cork filler without the mixing process on an extruder, but only by using an injection molding machine and appropriately selecting the parameters of the technological process. Tests of mechanical properties showed deterioration of parameters, but not to such an extent that the obtained composites were disqualified from use in products that are not subject to heavy mechanical loads. The undoubted advantage of the obtained materials is maintaining their so-called “green” character and thus the ability to biodegrade.

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Development of Poly(l-lactic acid)-Yellow Propolis Membranes for Antioxidant Applications

S Contieri,

Vieira,

Vaz

et al. 2024

ACS Appl. Polym. Mater.

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Propolis-based products, particularly those high in phenolic compounds, are extensively utilized in pharmaceutical applications for their broad therapeutic and health benefits. To improve the delivery and stability of these compounds, researchers are exploring biocompatible materials for encapsulating natural extracts. Polylactic acid (PLA) stands out as a promising biopolymer due to its biocompatibility, nontoxicity, exceptional biodegradability, and favorable mechanical properties, making it well-suited for a range of medical and pharmaceutical applications. This study aimed to develop PLA-based membranes incorporating raw yellow propolis through electrospinning and to identify the maximum feasible concentration of raw propolis that can be incorporated into PLA membranes. The chemical composition of the yellow propolis was analyzed using chromatographic techniques coupled with a photodiode array detector and mass spectrometry (UHPLC-PDA-MS/MS), highlighting its rich array of phenolic compounds, which are known for their significant antioxidant properties. The membranes were thoroughly characterized with Fourier transform infrared spectroscopy and scanning electron microscopy, confirming the successful incorporation of propolis into the PLA membranes, particularly in the sample containing 25% propolis (w/w). Total phenolic content, antioxidant activity, and bioadhesion were also evaluated. Results showed that the membrane with 25% propolis (w/w) exhibits skin-adhesive properties and huge antioxidant activity due to its phenolic content. These findings suggest that the membrane has strong potential for future biomedical applications, where antioxidant activity is essential.

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Production of Nanofibers by Blow Spinning from Polylactide Containing Propolis and Beeswax

Cited by 4 publications

References 33 publications

Combining Solution-Blowing and Melt-Blowing Techniques to Produce an Efficient Non-Woven Filter

Combining Solution-Blowing and Melt-Blowing Techniques to Produce an Efficient Non-Woven Filter

Properties of Composites Based on Polylactide Filled with Cork Filler

Development of Poly(l-lactic acid)-Yellow Propolis Membranes for Antioxidant Applications

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